Brass / Bronze Pressure Relief Valves

139 Results
2110430
from RS Components, Ltd.

Body material - DZR Brass. For heating systems and pressurised water systems. Cartridge design for ease of service and replacement. High lift design for increased discharge capacity. Connection = 1/2 in BSP Female. Maximum Set Pressure = 3bar. Maximum Temperature = +140 °C. For Use With = Hot... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in BSP Female
  • Valve Size: 0.50
Back Pressure Regulator -- BPR
from Beswick Engineering Co., Inc.

Beswick Miniature Back pressure Regulator (BPR) is a normally closed valve that senses and responds to changes in upstream pressure. Like a relief valve, it will open to vent excess pressures from the outlet port, when upstream pressure rises above the cracking pressure. Cracking pressure is... [See More]

  • Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel (optional feature); Buna-N, EPDM, Viton, or Silicone Seals
  • Maximum Pressure: 0.00 to 500.00
  • Valve Size: 0.19
  • Controlled Pressure Range: 10.00 to 450.00
Miniature Pressure Regulator -- MAR-1BP
from Clippard

When Clippard introduced a miniature regulator in 1962, the MAR-1 became very popular as a simple, robust, and cost-effective regulator in a small pack- age with exceptionally long life . As regulator applications continue to increase, Clippard is meeting the demand with a variety of new models,... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 300.00
  • Valve Size: 0.12
  • Controlled Pressure Range: 10.00 to 100.00
Control Valve -- 19021863 [10-301-07 from Apollo Valves]
from Radwell International

SAFETY RELIEF VALVE, SERIES: 10-300 SERIES, 3/4 IN NOMINAL, MNPT X FNPT CONNECTION, 40 PSIG, HOT WATER, LIQUID AND WATER MEDIA, LIFT LEVER ACTUATOR, BRASS TRIM, EPDM/SILICONE SOFTGOODS, BRONZE BODY, PLAIN BRASS, 250 DEG F, 3.82 IN HEIGHT. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Media: Water
2110446
from RS Components, Ltd.

Body material - DZR Brass. For heating systems and pressurised water systems. Cartridge design for ease of service and replacement. High lift design for increased discharge capacity. Connection = 3/4 in BSP Female. Maximum Set Pressure = 3bar. Maximum Temperature = +140 °C. For Use With = Hot... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 3/4 in BSP Female
  • Valve Size: 0.75
Factory Preset Relief Valve -- RV2-1010-PP
from Beswick Engineering Co., Inc.

Miniature relief valve. Factory pre-set and secured 3-30 psig cracking pressure. Assembled, set, and 100% tested to order. [See More]

  • Primary Material: Brass / Bronze; Stainless Steel (optional feature); Buna-N, EPDM, or Viton Seals
  • Maximum Pressure: 0.00 to 500.00
  • Valve Size: 0.12
  • Controlled Pressure Range: 3.00 to 30.00
Control Valve -- 19026100 [10-301-04 from Apollo Valves]
from Radwell International

RELIEF VALVE, 3/4" MALE NPT INLET X 3/4" FEMALE NPT OUTLET, SET AT 25 PSI, 485,000 BTU CAPACITY, 250 DEGREES F MAXIMUM TEMPERATURE SERVICE, ASME SECTION IV BRASS HOT WATER PRESSURE RELIEF VALVE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Media: Water
2463289
from RS Components, Ltd.

Body material - Brass. Maximum Operating Pressure 6 bar. 0.1 bar to 0.6 bar Differential Pressure Range. In systems with radiator thermostats the DU145 opens automatically as the thermostatic radiator valves or zone valves close down and the resistance of the system starts to exceed the pre-set... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded
  • Valve Size: 0.75
Miniature Diaphragm Relief Valve -- RVD
from Beswick Engineering Co., Inc.

Beswick's miniature diaphragm relief valve is an excellent choice for applications requiring a valve which opens on rising pressure. Design offers compactness, light weight and high accuracy and is an outstanding choice for pressure relieving applications from 0 to 80 psig. [See More]

  • Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel (optional feature); Buna, EPDM, or Viton Diaphragm & Seals
  • Maximum Pressure: 0.00 to 500.00
  • Valve Size: 0.04
  • Controlled Pressure Range: 3.00 to 80.00
Pressure Relief Valve -- 10662651 [C20B from Deltrol Corp.]
from Radwell International

10001-25,PRESSURE RELIEF VALVE, AIR VALVE INLINE CHECK, BRASS, 2000 PSI, FREE FLOWS IN ONE DIRECTION, BLOCKED IN OPPOSITE DIRECTION, 1/4" FEMALE PIPE THREAD. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded
3890597
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 1/2 in BSP Female. Maximum Set Pressure = 3bar. Maximum Temperature = +195 °C. For Use With = Air,... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in BSP Female
  • Valve Size: 0.50
Pressure Relief Valve -- 133795867 [112CSS-3-100 from Storm Manufacturing Group, Inc.]
from Radwell International

SAFETY RELIEF VALVE, ASME CODE 112CSS MODEL, BRASS, STAINLESS STEEL BALL, 3/8" NPT, 100 PSI. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
3890604
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 3/4 in BSP Female. Maximum Set Pressure = 2.5bar. Maximum Temperature = +195 °C. For Use With = Air,... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 3/4 in BSP Female
  • Valve Size: 0.75
Pressure Relief Valve -- 137705841 [PRV9432F-060 from Engineered Controls International, Inc.]
from Radwell International

RELIEF VALVE, 9400 SERIES, GAS / CRYOGENIC SYSTEMS, 1/4 INCH MALE NPT INLET, BRASS, FLUOROSILICONE SEAT, 60 PSIG. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Media: Gas
3890610
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 1 in BSP Female. Maximum Set Pressure = 3bar. Maximum Temperature = +195 °C. For Use With = Air, Hot... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1 in BSP Female
  • Valve Size: 1.00
Pressure Relief Valve -- 140809186
from Radwell International

DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 500 SERIES, ETHYLENE PROPYLENE SEAL MATERIAL, TEMP RANGE -65*F TO +300*F, BRASS, 1/4 INCH VALVE SIZE, 0.5 PSI CRACKING PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
3891449
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 1/2 in BSP Female. Maximum Set Pressure = 4bar. Maximum Temperature = +195 °C. For Use With = Air,... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in BSP Female
  • Valve Size: 0.50
Pressure Relief Valve -- 141672661
from Radwell International

SAFETY RELIEF VALVE, 1/4 INCH NPT CONNECTION, 1000, PSIG,BRASS. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
3891461
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 3/4 in BSP Female. Maximum Set Pressure = 3bar. Maximum Temperature = +195 °C. For Use With = Air,... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 3/4 in BSP Female
  • Valve Size: 0.75
Pressure Relief Valve -- 204312500 [NCHL2-60 from UC Irvine - School of Information & Computer Sciences]
from Radwell International

DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF VALVE, NCHL2 SERIES, 60 PSI, SOLID BRASS BODY AND SPRING, STAINLESS STEEL SPRING/GUIDES/PULL RING, VITON SEAL STANDARD, TEMP RANGE 0-350 DEG FAHRENHEIT, RELIEVES +/- 10 PERCENT OF SET PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
3891483
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 3/4 in BSP Female. Maximum Set Pressure = 4bar. Maximum Temperature = +195 °C. For Use With = Air,... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 3/4 in BSP Female
  • Valve Size: 0.75
Pressure Relief Valve -- 225310258
from Radwell International

IN-LINE RELIEF VALVE, 1/2 IN, 0.5 PSI, BRASS, SILICONE SEAL. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
3891506
from RS Components, Ltd.

Body material - Gun Metal. Complies with BS6759. Boilers and pressure vessels, designed to BS specifications, usually require the fitting of a safety valve that complies with BS6759. Connection = 1 in BSP Female. Maximum Set Pressure = 5bar. Maximum Temperature = +195 °C. For Use With = Air, Hot... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1 in BSP Female
  • Valve Size: 1.00
Pressure Relief Valve -- 225785552 [100XL-150-3/4 from Watts]
from Radwell International

TEMPERATURE AND PRESSURE RELIEF VALVE, 3/4 INCH MALE THREADED INLET CONNECTION, 3/4 INCF FEMALE THREADED CONNECTION,150 PSI, 4 INCH PROBE, BRASS BODY. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded
7770349
from RS Components, Ltd.

The Altecnic series 311 safety relief valves are used in domestic hot water systems to protect the hot water cylinder and in heating systems to protect boiler and other components. The valve is selected for the required set pressure. As the pressure rises, when the discharge pressure is reached the... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in G Female
  • Valve Size: 0.50
Pressure Relief Valve -- 37861067 [112CSS-2-185 from Storm Manufacturing Group, Inc.]
from Radwell International

SAFETY RELIEF VALVE, ASME CODE 112CSS MODEL, BRASS, STAINLESS STEEL BALL, 1/4" NPT, 185 PSI. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
7770352
from RS Components, Ltd.

The Altecnic series 313 safety relief valves with presure gauge are used in domestic hot water systems to protect the hot water cylinder and in heating systems to protect boiler and other components. The valve is selected for the required set pressure. As the pressure rises, when the discharge... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in G Male
  • Valve Size: 0.50
Pressure Relief Valve -- 37868821 [112CSS-2-015 from Storm Manufacturing Group, Inc.]
from Radwell International

SAFETY RELIEF VALVE, ASME CODE 112CSS MODEL, BRASS, STAINLESS STEEL BALL, 1/4" NPT, 15 PSI. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
7948316
from RS Components, Ltd.

Automatic Anti-Vacuum Valve for use with hot water heaters to prevent a vacuum forming in installations where there is the potential of the draw off rate exceeding the rate of flow to the inlet, this can occur in properties with multiple outlets below the base of the hot water heater. The valve... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 1/2 in BSP Male
  • Valve Size: 0.50
Pressure Relief Valve -- 37877081 [118CSS-6-150 from Storm Manufacturing Group, Inc.]
from Radwell International

SAFETY VALVE, MODEL 118CSS, BRASS BODY, SS BALL, HARD SEAT, 1IN NPT, 150PSI PRESSURE RELIEF SETTING, ASME CODED. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
7948325
from RS Components, Ltd.

Automatic Anti-Vacuum Valve for use with hot water heaters to prevent a vacuum forming in installations where there is the potential of the draw off rate exceeding the rate of flow to the inlet, this can occur in properties with multiple outlets below the base of the hot water heater. The valve... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 3/4 in BSP Male
  • Valve Size: 0.75
Pressure Relief Valve -- 37877454 [119CSS-4-170 from Storm Manufacturing Group, Inc.]
from Radwell International

PRESSURE RELIEF VALVE, HIGH FLOW (SAFETY) VALVE, BRASS & STAINLESS-STEEL BALL, INLET SIZE = 1/2 INCH NPT, ORIFICE = 0.343 INCH, RELIEF PRESSURE SETTING = 170 PSI. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
7948344
from RS Components, Ltd.

The differential bypass valve is used to stabilise the circulation, flow rate and pump pressures in central heating systems. Designed for a quick and simple installation where the valve is set using a visual dial based on your system calculations for the differential pressure. The valve is set by... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded; 22 mm Metric
  • Valve Size: 0.87
Pressure Relief Valve -- 47390424
from Radwell International

PRESSURE RELIEF VALVE, PLATED BRASS, 1/8 INCH NPT. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
Pressure Relief Valve -- 55810148
from Radwell International

PRESSURE RELIEF VALVE, 1500 PSI AIR / GAS, 1/4 MNPT, BRASS. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Media: Gas
Pressure Relief Valve -- 55813657 [8101 from Justrite Mfg. Co., LLC]
from Radwell International

BRASS VERTICAL DRUM VENT, FOR PETROLEUM-BASED APPLICATION WITH AUTO RELIEF VALVE, 2 IN NPT/NPS BUNG, PLATED STEEL FLAME ARRESTOR. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze; Steel
Pressure Relief Valve -- 56253075 [CV4-100 from Universal Components, Inc.]
from Radwell International

RELIEF VALVE BRASS 100PSI 200SCFM. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
Pressure Relief Valve -- 56407305
from Radwell International

DISCONTINUED BY MANUFACTURER, RELIEF VALVE, BUNA SEAL, BRASS BODY, 1/4 INCH NPT, 4 PSI. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
Pressure Relief Valve -- 61212514 [121627 from Watts]
from Radwell International

RELIEF VAVLE, T HANDLE, ADJUSTABLE 0-250PSI, LEAD FREE BRASS, 1/2 INCH CONNECTION, MALE THREADED NPT, 1/2 INCH FEMALE THREADED NPT CONNECTION, F5300A. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded
Pressure Relief Valve -- 61228583 [N36-M1-3/4 from Watts]
from Radwell International

VACUUM RELIEF VALVE, 3/4IN MALE NPT, BRASS BODY. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Primary Material: Brass / Bronze
Hose Connection Vacuum Breakers with Freeze Relief Feature, Brass -- 8FR
from Watts

Series 8FR Hose Connection Vacuum Breakers permit the attachment of portable hoses to hose thread faucets and prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, a rubber... [See More]

  • Primary Material: Brass / Bronze
  • Valve Size: 0.75
Bushing Valve -- BUD (BU-050x0375)
from Check-All Valve Mfg. Co.

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
ASME Safety Pressure Relief And Reducing Valves
from Bell & Gossett, a xylem brand

Valves for protecting fired and unfired hot water vessels against hazardous operating pressures. Engineered in accordance with Section IV of the ASME boiler and pressure code for heating boilers with capacities certified by the National Board of Boiler and Pressure Vessel Inspectors. Offer the... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 125.00
  • Valve Size: 1.00
  • Connection Description: Threaded
High Pressure Relief Valves -- FRHA Series
from FUJIKURA COMPOSITES Inc.

Features. High pressure range.(Max setting pressure: 4.2Mpa [609.16psi]). Small and light weight. Cracking pressure ’s setting is done before delivering. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial furnace :General industrial... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 986.25
  • Valve Size: 0.12 to 0.75
  • Connection Description: Threaded
Control Valve - Pressure Control -- HPB 08
from co-ax valves inc.

Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]

  • Primary Material: Brass / Bronze; Steel
  • Maximum Pressure: 145.04 to 2900.75
  • Valve Size: 0.31
  • Controlled Pressure Range: 145.04 to 2900.75
Pressure Relief Valve -- 900000069
from Suttner America Company

Protects pressure washer against extreme pressure build-up. Pop off protection. [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1000.00 to 4000.00
  • Valve Size: 0.38
  • Connection Description: Threaded
Pressure Reducing Valve -- GD-24
from Armstrong International

An industrial-grade valve for water systems, the GD-24 is lightweight, compact and economical. The valve comes with screwed connections and will mount in any position. It requires no external sensing lines, and its bronze body and high-temperature diaphragm are suitable for hot or cold water... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 230.00
  • Valve Size: 0.50 to 2.00
  • Controlled Pressure Range: 7.00 to 80.00
Pressure Relief Module -- TVS20
from WEH Technologies Inc.

Vacuum pressure relief module for vacuum pump protection. The vacuum pressure relief module is used to protect the vacuum pump from excess pressure. Even in cases of rapid pressure rises (up to 4,350 psi) the vacuum pressure relief module protects the vacuum pump and its peripherals effectively. If... [See More]

  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel
  • Maximum Pressure: 2.90
  • Valve Size: 0.47
  • Connection Description: Threaded; Clamp Flange
Back Pressure Relief Valve -- 1/2" 10691 Series 1-6
from Watson McDaniel Company

The R Series & 10691 Series Back Pressure Relief Valves are used in the following applications: Water pump bypass for Irrigation, sprinkler systems on golf courses, fountains, and fire protection systems Fuel oil pump bypass on commercial systems or large residential systems The Relief Valve is... [See More]

  • Primary Material: Brass / Bronze
  • Controlled Pressure Range: 1.00 to 6.00
  • Valve Size: 0.50
  • Connection Description: Threaded; NPT
DN10 Atmospheric Discharge Safety Relief Valve -- DN10
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 10mm Nominal Bore Atmospheric Discharge Safety Relief Valve For Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 6.96 to 667.17
  • Valve Size: 0.50 to 0.75
  • Connection Description: Threaded; 1/2" to 3/4" BSP, BSPT, NPT
Check Valves, Brass
from General Pump

Check Valve, Brass. Features. Light Cracking Pressure. Brass Body with Stainless Wetted Parts. O-ring on Poppet for a Leak Proof Seal. Solid Body Construction, Won ’t Come Apart During Installation [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 2200.00
  • Valve Size: 0.25 to 0.75
  • Controlled Pressure Range: 2200.00 to 2300.00
Pressure Reducing Valve -- 1-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 1.00
  • Controlled Pressure Range: 25.00 to 75.00
Chemical Injector -- 588 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.38
  • Connection Description: Threaded; 3/8 Female NPT, 3/8 Male NPT, 1/4 Hose Barb
High Flow Relief Valve -- 7595
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 100.00 to 2600.00
  • Valve Size: 0.75
  • Connection Description: Threaded
Connector Valve -- CND (CON-050)
from Check-All Valve Mfg. Co.

The Connector Valve is a check valve with a hex nipple or connector housing. It is designed to be used in installations where check valves with male pipe threads are required. The Connector Valve is adaptable for use as a check valve, vacuum breaker, or low pressure relief valve. Two valves used in... [See More]

  • Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Connection Description: Threaded; Face Seal (optional feature); 1/2 NPT
High Pressure Relief Valves -- FRHL Series
from FUJIKURA COMPOSITES Inc.

Features. High pressure range.(Max setting pressure: 4.2Mpa [609.16psi]). Connecting outlet port is the best to recover exhaust gas/liquid. Cracking pressure ’s setting is done before delivering. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 986.25
  • Valve Size: 0.12 to 0.25
  • Connection Description: Threaded
Control Valve - Pressure Control -- HPI-1 32
from co-ax valves inc.

Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]

  • Primary Material: Brass / Bronze; Steel
  • Maximum Pressure: 0.00 to 600.00
  • Valve Size: 1.26
  • Controlled Pressure Range: 0.00 to 600.00
ST-230 Safety Relief Valve -- 200230500
from Suttner America Company

Adjustable pressure. Forged brass housing, stainless steel ball and valve seat. Special seals for maximum heat and chemical resistance.. Valve member rides on elastomeric cushion, eliminating metal to metal contact, a common cause of regulator failure.. Quickly rebuildable with repair kit. Can be... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3600.00
  • Valve Size: 0.25
  • Connection Description: Threaded
Pressure Reducing Valve -- GD-30
from Armstrong International

The GD-30 is a compact, high-performance direct-acting valve. Economical to buy and use, it is ideal for those low- to moderate-flow applications where accuracy of +/- 10% is acceptable. The GD-30 is well suited for laundry and dry-cleaning equipment, hospital equipment, tire molds, humidifiers,... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 250.00
  • Valve Size: 0.50 to 2.00
  • Controlled Pressure Range: 3.00 to 140.00
Pressure Relief Module -- TVS21
from WEH Technologies Inc.

Vacuum pressure relief module for venting to the outside for vacuum pump protection. The TVS21 vacuum pressure relief module is used to protect the vacuum pump from excess pressure. The vacuum pressure relief module type TVS21 protects the pump from damages by venting the excess pressure safely into... [See More]

  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel
  • Maximum Pressure: 2.90
  • Valve Size: 0.47
  • Connection Description: Threaded; Clamp Flange
DN10 Enclosed Discharge Safety Relief Valve -- CP 346, 356
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 10mm Nominal Bore Enclosed Discharge Safety Relief Valve for Cryogenic and liquefied Gas Applications. Notes: Maximum... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 12.04 to 446.14
  • Valve Size: 0.38 to 0.75
  • Connection Description: Threaded; 3/8" to 3/4" BSP, BSPT, NPT
Control Set Unloader -- ZKW2SC
from General Pump

Unloader with 2.2 mm Injector, optional banjo fittings. Reduces cost - eliminates the need for fittings and bypass hose. Compact design - features forged brass body and hardware. Versatile - mounts in seconds to either side of pump manifold. Adjustable unloader valve - trapped pressure type with... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3000.00
  • Valve Size: 0.38 to 0.50
  • Controlled Pressure Range: 3000.00
Pressure Reducing Valve -- 112-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 1.50
  • Controlled Pressure Range: 25.00 to 75.00
Pressure Limiting Valve -- 498 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.38
  • Connection Description: Threaded; 3/8 Male NPT, 3/8 Hose Barb, 3/8 Female NPT
Pop-Off Valve - High Temp. -- 33960S
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 300.00 to 1500.00
  • Valve Size: 0.37
  • Connection Description: Threaded
Custom Valves -- CAV
from Check-All Valve Mfg. Co.

The CAV series of valves are not catalog items but rather are custom designed and tailored to meet customer specific connections or valve configurations. If you have a check valve application where our standard catalog items do not quite match what you are looking for, contact our sales department... [See More]

  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel (optional feature); Steel (optional feature); Exotic Metal; Titanium, Monel
  • Actuation: Pressure
  • Connection Description: Threaded (optional feature); Compression (optional feature); BoltFlange (optional feature); Clamp Flange (optional feature); Union (optional feature); Tube Fitting (optional feature); Butt Weld (optional feature); Socket Weld (optional feature); Face Seal (optional feature)
  • Media: Hydraulic; Air; Water; Hot Water; Cold Water  ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
Low Pressure Relief Valves -- FRA Series
from FUJIKURA COMPOSITES Inc.

Features. High precision cracking performance, high sealability. Small and light design is ideal for fluid that exhaust to outside. Various port sizes. Cracking pressure ’s setting is done before delivering. Applications. Machine Tools :Milling machine, NC lathe, laser processing... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 234.96
  • Valve Size: 0.12 to 1.00
  • Connection Description: Threaded
Control Valve - Pressure Control -- HPP-1 15 PC
from co-ax valves inc.

Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]

  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel; Steel
  • Maximum Pressure: 0.00 to 600.00
  • Valve Size: 0.59
  • Controlled Pressure Range: 0.00 to 600.00
DN13 Atmospheric Discharge Safety Relief Valve -- DN13
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 13mm Nominal Bore Atmospheric Discharge Safety Relief Valve For Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 40.61 to 304.58
  • Valve Size: 0.50 to 0.75
  • Connection Description: Threaded; 1/2" to 3/4" BSP, BSPT, NPT
Direct Mount Unloaders -- ZKW1 Series
from General Pump

Direct Mount Unloader with or without 2 mm Injector. Reduces cost - eliminates the need for fittings and bypass hose. Compact design - features forged brass body and hardware. Versatile - mounts in seconds to either side of pump manifold. Adjustable unloader valve - trapped pressure type with... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1600.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 1600.00
Pressure Reducing Valve -- 114-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 1.25
  • Controlled Pressure Range: 25.00 to 75.00
Pressure Unloader -- 003 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.25 to 0.38
  • Connection Description: Threaded; 3/8 Male NPT, 1/4 Female NPT
Pressure Relief Valve -- 7190
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00 to 5000.00
  • Valve Size: 0.37
  • Connection Description: Threaded
Flange Insert Valve -- 0.5" FIV
from Check-All Valve Mfg. Co.

Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]

  • Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; PVC; PTFE; FEP Encapsulator
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
  • Valve Size: 0.50
  • Actuation: Pressure
Low Pressure Relief Valves -- FRL Series
from FUJIKURA COMPOSITES Inc.

Features. High precision cracking performance, high sealability. Small and light design is ideal for fluid that exhaust to outside. Various port sizes. Cracking pressure ’s setting is done before delivering. Connecting outlet port is the best to recover exhaust gas/liquid. Applications. [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 234.96
  • Valve Size: 0.12 to 1.25
  • Connection Description: Threaded
Control Valve - Pressure Control -- HPP-3 15 PC
from co-ax valves inc.

Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]

  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel; Steel
  • Maximum Pressure: 72.52 to 1450.38
  • Valve Size: 0.59
  • Controlled Pressure Range: 72.52 to 1450.38
DN15 Atmospheric Discharge Safety Relief Valve -- DN15
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 15mm Nominal Bore Atmospheric Discharge Safety Relief Valve For Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 36.26 to 304.58
  • Valve Size: 0.75 to 1.00
  • Connection Description: Threaded; 3/4" to 1" BSP, BSPT or NPT
Direct Mount, Control Set Unloaders -- YVB351KDM Series
from General Pump

Direct Mount, Control Set Unloader For TT/TP Series 51 Pumps. General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have expanded to... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3200.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 3650.00
Pressure Reducing Valve -- 2-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 2.00
  • Controlled Pressure Range: 25.00 to 75.00
Rolover Valve -- 711 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.12 to 0.25
  • Connection Description: 1/4 FNPT Inlet x 1/8 FNPT Outlet
Pressure Relief Valve -- 7196
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 100.00 to 7250.00
  • Valve Size: 0.50
  • Connection Description: Threaded
Flanged & Drilled -- HVH (HVFD-100)
from Check-All Valve Mfg. Co.

The Check-All Flanged & Drilled check valve is a one-piece cast body valve with ANSI/ASME B16.5 Class 150 flanged ends. The HVFD series valve is used when higher flow rates and lower pressure drops are required. The valve is available in sizes 1 through 10 inches and standard materials of 316... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel
  • Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
  • Valve Size: 1.00
  • Actuation: Pressure
Low Pressure Relief Valves -- VR1 Series
from FUJIKURA COMPOSITES Inc.

Features. Compact design allowing installation in a space-saving manner. The relief pressure is high precision because the difference in opening and closing pressure is small. Relief pressure other than the standard specification can be set as custom order. (Setting pressure range:30... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 21.76
  • Valve Size: 0.12 to 0.25
  • Connection Description: Threaded
Control Valve - Pressure Control -- SPB 08
from co-ax valves inc.

Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]

  • Primary Material: Brass / Bronze; Steel
  • Maximum Pressure: 145.04 to 2900.75
  • Valve Size: 0.31
  • Controlled Pressure Range: 145.04 to 2900.75
DN18 Atmospheric Discharge Safety Relief Valve -- DN18
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 18mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 30.46 to 522.14
  • Valve Size: 1.00 to 1.50
  • Connection Description: Threaded; 1" to 1 1/2" BSP, BSPT or NPT
Direct Mount, Control Set Unloaders -- YVB35KDM Series
from General Pump

Direct Mount, Control Set Unloader for Use With EZ, 47, 60 and 63 Series Pumps, Optional 1.8 MM Injector. Features. Direct-mount, control set unloader. Used with 44, 47, 50, 60, 63 series pumps. Built-in bypass. Sturdy steel and brass construction. Adjustable locknut to control the maximum pressure. [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3200.00
  • Valve Size: 0.38 to 0.50
  • Controlled Pressure Range: 3650.00
Pressure Reducing Valve -- 212-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 2.50
  • Controlled Pressure Range: 25.00 to 75.00
Rolover Valve -- 713 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 500.00
  • Valve Size: 0.25 to 0.69
  • Connection Description: 1/4 Femal NPT Stem / 11/16-16 Swivel Nut x 11/16-16 Nozzle Nut
Pressure Relief Valve -- 7534.1
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00 to 2200.00
  • Valve Size: 0.50
  • Connection Description: Threaded
Mini-Check Valve -- MCV-0125
from Check-All Valve Mfg. Co.

The Check-All Mini-Check is a three piece constructed check valve. The valve is designed for minimum pressure drops. The three piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Maximum Pressure: 5000.00
  • Valve Size: 0.12
  • Connection Description: Threaded (optional feature); Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8 Pipe Size
Relief Valves -- FRM1 Series
from FUJIKURA COMPOSITES Inc.

Features. Special packing rubber inhibits valve ’s vibration. Setting of cracking pressure is controllable. (Pressure setting is done before shipping). Body material is stainless (SUS314), excellent corrosion resistance. Liquid available, In-line type, High flow model. Applications. Machine... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 435.11
  • Valve Size: 0.25
  • Connection Description: Threaded
DN25 Atmospheric Discharge Safety Relief Valve -- GA 106
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 25mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Clean & Particle Laden Gases. Notes: Relieving pressure is... [See More]

  • Primary Material: Aluminum; Brass / Bronze
  • Maximum Pressure: 7.25 to 174.05
  • Valve Size: 1.00 to 2.00
  • Connection Description: Threaded; 1" to 2" BSP, BSPT or NPT
Direct Mount, Control Set Unloaders -- YVB56KDM Series
from General Pump

Direct Mount Control Set Unloader For EZ 47, 60 and 63 Series Pumps, optional 2.1mm injector. Features. Direct-mount for EZ 47, 60 and 63 series pumps. Sturdy steel and brass construction. Adjustable locknut to control the maximum pressure. Easy maintenance. Plastic cap with anti-removal system. [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3200.00
  • Valve Size: 0.38 to 0.50
  • Controlled Pressure Range: 3650.00
Pressure Reducing Valve -- 212-500XL3F
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 2.50
  • Controlled Pressure Range: 25.00 to 75.00
Sprayflex Nozzle -- 527 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.35 to 1.05
  • Connection Description: Threaded; 1/8 Female NPT, 1/4 Female NPT
Pressure Relief Valve -- 7535.1
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 800.00 to 4000.00
  • Valve Size: 0.50
  • Connection Description: Threaded
Straight Sided Insert Valve -- SIJ (SSI-050)
from Check-All Valve Mfg. Co.

The Straight Sided Insert is a thread less check valve. designed to be inserted into any cavity where a check valve is needed and threads are not desired. Available Materials: 316 Stainless Steel (SS). Carbon Steel (CS). Alloy 20 (A2). Alloy C-276 (HC). Brass (BR). Alloy B (HB). MONEL ® (MO) [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276,, Titanium
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Connection Description: Compression; Face Seal (optional feature); 5-23/64" O.D. Flange
Relief Valves -- FRM2 Series
from FUJIKURA COMPOSITES Inc.

Features. Designed to reduce risk of outside-leak better than FRM1. As seal material. EPDM, kalrez are available in chemical, solvent and corrosive fluid. Setting of cracking pressure is controllable. (Pressure setting is done before shipping). High flow rate model. Applications. Machine Tools... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 290.07
  • Valve Size: 0.25
  • Connection Description: Threaded
DN25 Enclosed Discharge Safety Relief Valve -- DN25
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 25mm Nominal Bore Enclosed Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Maximum permissible built up... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 81.95 to 435.11
  • Valve Size: 1.25 to 2.00
  • Connection Description: Threaded; 1 1/4 to 2" BSP, BSPT or NPT
Direct Mount, Control Set Unloaders -- ZKW3 Series
from General Pump

Direct Mount, Control Set Unloader, Available With or Without Injector. General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3000.00
  • Valve Size: 0.38 to 0.50
  • Controlled Pressure Range: 3000.00
Pressure Reducing Valve -- 212-500XL3FBP
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 2.50
  • Controlled Pressure Range: 25.00 to 75.00
Thum-Gun -- 515 Series
from Specialty Manufacturing Co. (The)

Value added engineering-custom capabilities and 100 years of know how. Vertical integration means your vales are the highest quality and best value. Combine these two distinctions with world class specification tools and superior customer service and …your choice is clear, Specialty made in... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 1500.00
  • Valve Size: 0.12 to 0.25
  • Connection Description: 1/4 Female NPT Inlet x 1/8 Female NPT Outlet
Pressure Relief Valve -- 7590.1
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00 to 2175.00
  • Valve Size: 1.00
  • Connection Description: Threaded
Tubing Check Flared Valve -- TFB (TCVF-0250)
from Check-All Valve Mfg. Co.

The Tubing Check Valve-Flared is a three piece constructed valve with 37 º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Maximum Pressure: 3000.00 to 8500.00
  • Valve Size: 0.25
  • Connection Description: Threaded; Tube Fitting (optional feature); Face Seal (optional feature); 1/4" Tubing Size
DN3 Atmospheric Discharge Safety Relief Valve -- GA 312
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 3mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 699.08 to 3501.21
  • Valve Size: 0.38 to 0.75
  • Connection Description: Threaded; 3/8" to 3/4" BSP or BSPT
Easy Start Valves
from General Pump

Easy Start Valve, Provides Easy Start for Manual Start Gas Engines. Features. Maximum working pressure = 5,000 psi. Eases system start-up. Especially useful for engine-driven pressure washers. Fits any brand of pump. Designed and made in the USA. Long-life construction. Improved seal design limits... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 5000.00
  • Valve Size: 0.12 to 0.50
  • Controlled Pressure Range: 5000.00
Pressure Reducing Valve -- 3-500XL3
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 3.00
  • Controlled Pressure Range: 25.00 to 75.00
Pressure Relief Valve -- 7670.1
from Cat Pumps - High Pressure Pumps & Systems

A Relief Valve, or Pop-Off Valve, is a secondary pressure regulating device used to back up the primary regulating device. If the primary regulating device fails to by-pass at a set system pressure, the relief valve will open and allow liquid to flow freely. A relief valve can save costly pump and... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 150.00 to 1750.00
  • Valve Size: 0.37
  • Connection Description: Threaded
Tubing Check Valve -- TVB (TCV-0150)
from Check-All Valve Mfg. Co.

The Tubing Check Valve is a three piece constructed check valve with flareless tube ends. The valve is designed for minimum pressure drops. The valves are furnished complete with ferrules and nuts. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Titanium
  • Maximum Pressure: 3000.00 to 8000.00
  • Valve Size: 0.12
  • Connection Description: Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8" Tubing Size
DN4 Atmospheric Discharge Safety Relief Valve -- GA 550
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 4mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 1000.76 to 6500.59
  • Valve Size: 0.25 to 0.50
  • Connection Description: Threaded; 1/4" to 1/2" BSP
Easy Start Valves -- YESTVALVE
from General Pump

Easy Start Valve. Eliminates back pressure when pulling a manual start gas engine. [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 4050.00
  • Valve Size: 0.25 to 0.38
  • Controlled Pressure Range: 4050.00
Pressure Reducing Valve -- 3-500XL3FBP
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 3.00
  • Controlled Pressure Range: 25.00 to 75.00
Thermal Valve for Heat Build-Up Protection -- 7115
from Cat Pumps - High Pressure Pumps & Systems

A Thermal Valve is used to eliminate heat build-up in a closed loop by-pass system when liquid is being returned to the pump inlet. Thermal Valves can only be installed when there is a pressurized pump inlet. During recirculation of by-pass liquid, the thermal valve will detect temperature rises in... [See More]

  • Primary Material: Brass / Bronze
  • Connection Description: Threaded
  • Maximum Pressure: 0.00 to 145.00
  • Actuation: Mechanical
Union Insert Valve -- UVD (UIV-050)
from Check-All Valve Mfg. Co.

The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system. A check valve may be installed anywhere in the... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Connection Description: Union; Face Seal (optional feature); 1/2" Line Size
DN4 Enclosed Discharge Safety Relief Valve -- GP 331
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 1/8" Nominal Bore Enclosed Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 696.18 to 3495.41
  • Valve Size: 0.38 to 0.50
  • Connection Description: Threaded; 3/8" to 1/2" BSP, BSPT, NPT
Flow Sensitive Unloader Valves -- PLSRZ2140
from General Pump

Flow Sensitive Unloader (optional 6 amp microswitch). Features. Near total zero setting of the outlet pressure at gun closure increases safety. Reduced pressure loss. Makes for easier gun operation. Extremely reliable. Easy maintenance [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 4050.00
  • Valve Size: 0.50
  • Controlled Pressure Range: 4050.00
Pressure Reducing Valve -- 3-500XLF
from Zurn Industries LLC

The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 400.00
  • Valve Size: 3.00
  • Controlled Pressure Range: 25.00 to 75.00
Universal Low Pressure Valve -- U3C (UN-3-0375)
from Check-All Valve Mfg. Co.

The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10 series. For applications where weld joint are... [See More]

  • Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Maximum Pressure: 3000.00
  • Valve Size: 0.38
  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
DN40 Atmospheric Discharge Safety Relief Valve -- GA 311
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 40mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 40.61 to 136.34
  • Valve Size: 2.00 to 2.50
  • Connection Description: Threaded; 2" to 2 1/2" BSP, BSPT
Flow Sensitive Unloaders -- PLSRZ523
from General Pump

Flow Sensitive Unloader (optional 6 Amp Microswitch). General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have expanded to serve... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 2300.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 2300.00
Wafer Check Valve -- WVD (WIV-050)
from Check-All Valve Mfg. Co.

The Wafer Insert (WV) valve is designed to fit between two mating ANSI flanges. Two gaskets are required, instead of the one normally used. The "drop in" valve body fits inside the bolt circle for quick installation and removal in rigid piping applications where the use of the F1, F6, or FP are not... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
  • Valve Size: 0.50
  • Actuation: Pressure
DN6 Atmospheric Discharge Safety Relief Valve -- DN6
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 6mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 40.61 to 522.14
  • Valve Size: 0.25 to 0.38
  • Connection Description: Threaded; 1/4" to 3/8" BSP, BSPT, NPT
Flow Sensitive Unloaders -- ZK1 Series
from General Pump

Flow Sensitive Unloader. Features. Compact - Low profile saves space. Dual Auxiliary Ports - Allows for easy installation of pressure operated accessories. Reliability - No discharge check valve means higher reliability and less maintenance. High Operating Temperature - to 165 º F [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3600.00
  • Valve Size: 0.38 to 0.50
  • Controlled Pressure Range: 3600.00
DN6 Atmospheric Discharge Safety Relief Valve -- RA 818
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 0 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 6mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Refrigerants. Notes: Relieving pressure is set pressure +10%. [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 101.53 to 522.14
  • Valve Size: 0.25 to 0.38
  • Connection Description: Threaded; 1/4" to 3/8" BSP, BSPT, NPT
Flow Sensitive Unloaders -- ZK3 Series
from General Pump

Flow Sensitive Unloader. Features. All stainless and brass internal parts. No external moving parts or springs. Unique balance nozzle principle: Eliminates high pressure in all lines while unit is in bypass mode. Eliminates pressure peaks normally generated by conventionally designed unloaders. [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 1500.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 1500.00
DN6 Enclosed Discharge Safety Relief Valve -- GP 329
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 6mm Nominal Bore Enclosed Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Maximum permissible built up... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 768.70 to 5366.39
  • Valve Size: 0.38 to 0.75
  • Connection Description: Threaded; 3/8" to 3/4" BSP, BSPT or NPT
Flow Sensitive Unloaders -- ZK5 Series
from General Pump

Flow Sensitive Unloader. Features. Features all stainless and brass internal parts. No external moving parts or springs. Unique balance nozzle principle: Eliminates high pressure in all lines while unit is in bypass mode. Eliminates pressure peaks normally generated by conventionally designed... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 3000.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 3000.00
DN6 Enclosed Discharge Safety Relief Valve -- QP 329
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 6mm Nominal Bore Enclosed Discharge Safety Relief Valve for Cryogenic and liquefied Gas Applications. Notes: Maximum... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 768.70 to 5366.39
  • Valve Size: 0.38 to 0.75
  • Connection Description: Threaded; 3/8" to 3/4" BSP, BSPT, NPT
Flow Sensitive Unloaders -- ZK7 Series
from General Pump

Flow Sensitive Unloader. Features. Features all stainless and brass internal parts. New design reduces sensitivity to entrapped air. No external moving parts or springs. Eliminates high pressure in all lines while unit is in bypass mode. Unique balanced piston design permits precise pressure... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 3500.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 3500.00
DN8 Atmospheric Discharge Safety Relief Valve -- DN8
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Atmospheric Discharge Safety Relief Valve For Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 7.98 to 304.58
  • Valve Size: 0.25 to 0.50
  • Connection Description: Threaded; 1/4" to 1/2" BSP, BSPT, NPT
Pressure Trapping Unloaders -- YVB75KTP Series
from General Pump

Direct Mount, Control Set Unloader For TT/TP Series 51 Pumps. General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have expanded to... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3200.00
  • Valve Size: 0.25 to 0.38
  • Controlled Pressure Range: 3650.00
DN8 Atmospheric Discharge Safety Relief Valve -- GA 730
from Seetru Limited

Flows Rates: Flow calculated based upon: Air @ 15 °C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases. Notes: Relieving pressure is set... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3.92 to 253.82
  • Valve Size: 0.25 to 0.50
  • Connection Description: Threaded; 1/4" to 1/2" BSP, BSPT or NPT
Safety Relief Valves, End Discharge
from General Pump

Safety Relief Valve, End Discharge. FEATURES. High pressure safety valve: 1,000 –6,000 PSI relief pressure. One model fits all pressures – no springs to change. Less “whistling ” and chatter than competing brands. Highly accurate over full range of pressures. Fits any brand... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 6000.00
  • Valve Size: 0.25 to 0.50
  • Controlled Pressure Range: 6000.00
DN8 Atmospheric Discharge Safety Relief Valve -- SA 319
from Seetru Limited

Flows Rates: Flow calculated based upon: Steam in accordance with TUV and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Steam. Notes: Relieving pressure is set pressure +10% (0.1... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3.92 to 58.02
  • Valve Size: 0.25
  • Connection Description: Threaded; 1/4" BSP or BSPT
Safety Relief Valves, Side Discharge
from General Pump

Safety Relief Valve, Side Discharge. FEATURES. High pressure safety valve: 1,000 –6,000 PSI relief pressure. One model fits all pressures – no springs to change. Less “whistling ” and chatter than competing brands. Highly accurate over full range of pressures. Fits any brand... [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 6000.00
  • Valve Size: 0.25 to 0.50
  • Controlled Pressure Range: 6000.00
DN8 Enclosed Discharge Safety Relief Valve -- SP63608
from Seetru Limited

Flows Rates: Flow calculated based upon: Steam in accordance with TUV and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Enclosed Discharge Safety Relief Valve for Steam. Notes: Maximum permissible built up back pressure is 10%... [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 4.35 to 58.02
  • Valve Size: 0.25 to 0.50
  • Connection Description: Threaded; 1/4" to 1/2" BSP, BSPT or NPT
Safety Relief Valves, Side Discharge with Hose Barb
from General Pump

Safety Relief Valve, Side Discharge With Hose Barb. FEATURES. High pressure safety valve: 1,000 –6,000 PSI relief pressure. One model fits all pressures – no springs to change. Less “whistling ” and chatter than competing brands. Highly accurate over full range of pressures. [See More]

  • Primary Material: Brass / Bronze; Stainless Steel
  • Maximum Pressure: 6000.00
  • Valve Size: 0.25 to 0.50
  • Controlled Pressure Range: 6000.00
Trapped Pressure Unloaders -- YUB21405
from General Pump

Trapped Pressure, Blue Spring, with and without check valve. Features. New improved design!. Reduced pressure loss. Makes for easier gun operation. Extremely reliable. Easy maintenance [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 4050.00
  • Valve Size: 0.50
  • Controlled Pressure Range: 4500.00
Trapped Pressure Unloaders -- YVB3KA
from General Pump

Trapped Pressure Unloader for the 51 and 60 Series Pumps, with and without check valve. Features. Sturdy steel and brass construction. Adjustable locknut to control max pressure. Easy maintenance. Hexagonal discharge check valve to prevent jamming [See More]

  • Primary Material: Brass / Bronze
  • Maximum Pressure: 3200.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 3650.00