Threaded Pressure Relief Valves Datasheets

Prep-Air® II Regulator -- 07R313AC [07R313AC from Parker Hannifin / Automation / Precision Fluidics Division]
from Applied Industrial Technologies

07 series manually controlled standard regulator, 90 scfm; w/o gauge [See More]

  • Connection Description: Threaded; 1/2" NPT
  • Maximum Pressure: 125.00
  • Valve Size: 0.50
  • Controlled Pressure Range: 2.00 to 125.00
52462 Series Pressure Protection Valve
from Barksdale Control Products

The 52462 Pressure Protection Valve (PPV) is designed to protect primary air systems when utilized with auxiliary air components. With a male threaded inlet port this PPV can be threaded directly into the air tank without the need for additional fittings. Factory calibration of opening or closing... [See More]

  • Connection Description: Threaded; 1/4" NPT to 3/8" NPT
  • Primary Material: Aluminum
  • Maximum Pressure: 145.00
  • Actuation: Mechanical
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]

  • Connection Description: Threaded; Various Porting Configurations
  • Maximum Pressure: 0.00 to 500.00
  • Valve Size: 0.19
  • Controlled Pressure Range: 10.00 to 450.00
Miniature Pressure Regulator -- MAR-1
from Clippard Instrument Laboratory, Inc.

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]

  • Connection Description: Threaded; Inlet: #10-32 Female, Outlet: #10-32 Female
  • Maximum Pressure: 300.00
  • Valve Size: 0.19
  • Controlled Pressure Range: 10.00 to 100.00
Control Valve - Pressure Control -- 3-HPB-H 15
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]

  • Connection Description: Threaded; NPT, BSPP, SAE, MillSpec, etc.
  • Maximum Pressure: 72.52 to 1740.45
  • Valve Size: 0.59
  • Controlled Pressure Range: 72.52 to 1740.45
Central Gas Supply Unit -- Compact Panel
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems

TESCOM ™ Compact Panel is a central gas supply unit for the pressure control of analytical gases in laboratory facilities. Depending on the requirements, these units switch over to a spare cylinder to enable an uninterrupted gas supply. The use of contact gauges allows the monitoring of empty... [See More]

  • Connection Description: Threaded (optional feature); Compression (optional feature); M16x1.5 Female or 1/4" NPT
  • Maximum Pressure: 2900.00 to 4350.00
  • Valve Size: 0.25
  • Controlled Pressure Range: 44.00 to 508.00
Balanced Relief Valve -- Model 100268
from General Pump

General Pump Spray Tips are built using an innovative design and manufacturing approach that ensures accuracy and provides consistent durability and performance for all types of high pressure cleaning systems. Tips offer high application flexibility, unique construction, positive identification, and... [See More]

  • Connection Description: Threaded; 3/8" BSP-F
  • Maximum Pressure: 300.00
  • Valve Size: 0.38
  • Controlled Pressure Range: 300.00
Diaphragm Back Pressure Valves -- RPV Series
from Hayward Flow Control

All Thermoplastic diaphragm Pressure Relief Valve for protecting against over-pressure in Chemical Feed Systems. All valves are preset at 50 psi, however they are field adjustable via the adjustment screw. [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 10.00 to 150.00
  • Valve Size: 0.25 to 2.00
  • Primary Material: PVC; CPVC; PP; PVDF, Noryl
Integral Load-Cell, Safety Relief Valve (For Inline Flow Meters) -- HC-LTA3-RFR-16A
from HydraCheck Inc.

The integral load-cell, safety relief valve assembly can be easily fitted to your existing flow meter. This unit includes: Adjustable load valve with reverse-flow capability. Integral safety relief valve. 3000 PSI (207 bar) glycerine-filled pressure gauge. Comes with ORB connector for flow meter... [See More]

  • Connection Description: Threaded; #16 ORB
  • Maximum Pressure: 3000.00
2-Way, Spool-Type with Internal Relief -- SVRV10-26
from HydraForce, Inc.

A solenoid-operated, two-way, spool-type, normally open, screw-in, hydraulic relief valve. [See More]

  • Connection Description: Threaded; SAE 8 or 3/8" BSP
  • Maximum Pressure: 4307.62
  • Valve Size: 0.38
  • Primary Material: Steel
Safety Exhaust Auto Drain F x F Ball Valve -- JADV-100
from JORC Industrial LLC

Forged brass, Full port ball valve with locking handle, hard chrome brass ball 200 psi. Temperature Range: -40 to +350, Teflon seals, blow-out proof stem, steel handle with vinyl grip and lockout for use with 9/32 inch lock. Lock not supplied. Automatic vent in compliance with OSHA requirements. [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 200.00
  • Valve Size: 1.00
  • Primary Material: Brass / Bronze
Precision Relief Valve -- A4454 Series
from Oil-Rite Corp.

Precision Relief Valves are used as a safety device on reservoirs where a certain maximum pressure should not be exceeded. Their use can be extended to any application demanding pressure be relieved at a specific value. The valves have a fixed upper pressure rating held within plus or minus 5 PSI... [See More]

  • Connection Description: Threaded; 1/4" NPT
  • Primary Material: Aluminum (optional feature); Stainless Steel (optional feature)
  • Maximum Pressure: 5.00 to 35.00
  • Actuation: Manual
Norgren Excelon® Relief Valves -- V72G Series Pressure Relief Valves
from OMEGA Engineering, Inc.

The V72G Series Air Pressure Relief Valves are designed for use as a single in-line unit or as part of Norgren's Excelon ® modular compressed air preparation supply system. A pressure relief valve is uses to protect pneumatic equipment from over pressure by retarding excessive pressure build... [See More]

  • Connection Description: Threaded; 1/4" to 3/4" NPT
  • Maximum Pressure: 300.00
  • Valve Size: 0.25 to 0.75
  • Primary Material: Aluminum
Series RVD Angle-Pattern Relief Valve -- RVD025EP-PF
from Plast-O-Matic Valves, Inc.

Series RVD rugged compact designed for use as back pressure valve, straight relief, by-pass relief or back pressure regulator. 1/4 ″ and 1/2 ″ sizes in most popular thermoplastic materials and connections; 5 – 150 PSI set range. [See More]

  • Connection Description: Threaded; 1/4" NPT or BSP
  • Maximum Pressure: 5.00 to 150.00
  • Valve Size: 0.25
  • Primary Material: PVDF
PRESSURE RELIEF VALVE 0-10PSIG MAX 250PSIG 1/2NPT -- 960163000 [960163000 from Marsh Bellofram Group of Companies]
from Radwell International

PRESSURE RELIEF VALVE 0-10PSIG MAX 250PSIG 1/2NPT [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 10.00
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]

  • Connection Description: Threaded; 1/2 in BSP Female
  • Primary Material: Brass / Bronze
  • Valve Size: 0.50
Pressure Release Valve -- PRO-011-N-025
from SC Hydraulic Engineering Corporation

SC Pressure Release Valves are available in normally open and normally closed configurations. All of the valves are air actuated and are compatible with most fluids including water and synthetic compounds. Seals are Buna-N as standard (-N). Substitute "-V" for Viton® seals or "-E" for EPR.Typically,... [See More]

  • Connection Description: Threaded; .25" NPT
  • Maximum Pressure: 11000.00
  • Valve Size: 0.25
  • Controlled Pressure Range: 11000.00
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]

  • Connection Description: Threaded; 3/8 Female NPT, 3/8 Male NPT, 1/4 Hose Barb
  • Maximum Pressure: 1500.00
  • Valve Size: 0.38
  • Primary Material: Brass / Bronze
Automatic RB® (Relief/Bleed) Valve -- 1600-60
from Terra Universal, Inc.

Continuously bleeds off excess internal gas to maintain a safe positive pressure inside glove boxes. Variable release mechanism automatically discharges any sudden surge of incoming gas. Protects against accidental negative pressure by functioning as a check valve. Extends life of doors and gaskets. [See More]

  • Connection Description: Threaded (optional feature); Union (optional feature)
  • Primary Material: Stainless Steel (optional feature); polymer
  • Valve Size: 0.62 to 1.00
  • Actuation: Electric
ASME Safety Valve -- Figure 31
from Watts

Series Figure 31 Steam Safety Relief Valves are ASME section I valves used on steam boilers with operating pressures from 5 to 250psi (.34 to 17.2 bar). Series Figure 31 is a high capacity safety relief valve with a top guide and full nozzle. It consists of a bronze body (sizes 1/2 to 2 1/2 in.)... [See More]

  • Connection Description: Threaded (optional feature); BoltFlange (optional feature); NPT on Bronze Body, Flange on Iron Body
  • Maximum Pressure: 250.00
  • Valve Size: 0.50 to 6.00
  • Controlled Pressure Range: 5.00 to 250.00
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]

  • Connection Description: Threaded; Clamp Flange
  • Maximum Pressure: 2.90
  • Valve Size: 0.47
  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel
Sandwich Relief Valve -- AMT-D03-Relief
from Almo Manifold & Tool Co.

Relief accessory for relief covers, adjustable relief setting [See More]

  • Connection Description: Threaded
  • Primary Material: Stainless Steel; Steel
  • Maximum Pressure: 150.00 to 5000.00
  • Actuation: Pilot
Back Pressure Valve -- GP-2000R
from Armstrong International

The GP-2000R is a high-performance externally piloted throttling back-pressure valve for large capacity applications. Typical applications would include systems using flash steam for low-pressure heating or processes. The GP-2000R valve will function to maintain a constant upstream pressure. This... [See More]

  • Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
  • Maximum Pressure: 200.00
  • Valve Size: 0.50 to 6.00
  • Controlled Pressure Range: 3.00 to 200.00
Piloted Relief Valves -- ARAM
from Atos North America

ARAM are two stage pressure relief valves with balanced poppet, designed with threaded ports for in-line mounting. In standard versions the piloting pressure of the poppet of the main stage is regulated by means of a grub screw protected by a cap installed in the cover. Optional versions with... [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 5076.32
  • Valve Size: 0.75 to 1.25
  • Actuation: Pilot
SHUT-OFF / RELIEF VALVE 1/2in FNPT LOCK-OUT BRACKET -- ARV-44
from Automationdirect.com

NITRA pneumatic manual shut-off pressure relief valve, 1/2 inch NPT female ports, lock-out (lock included), and mounting bracket. Modular design enables easy field assembly with NITRA pneumatic AF-44 series filters, AR-44 series regulators, AL-44 series lubricators and AFR-44 series filter /... [See More]

  • Connection Description: Threaded
  • Valve Size: 0.50
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]

  • Connection Description: Threaded
  • Maximum Pressure: 125.00
  • Valve Size: 1.00
  • Primary Material: Brass / Bronze
Pressure Relief Valves
from Carr Lane Manufacturing Co.

This safety valve is used to protect hydraulic circuits from unexpected pressure increases. Applications include disconnected pallet fixtures, where the temperature of a closed system could increase and cause hydraulic pressure to exceed acceptable operating limits. Poppet-type valve, directly... [See More]

  • Connection Description: Threaded; 1/4" to 1/2" BSPP
  • Maximum Pressure: 7500.00
  • Valve Size: 0.25 to 0.50
  • Actuation: Pneumatic
Industrial Duty ALBZ Regulating Relief Valve -- 890707
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]

  • Connection Description: Threaded
  • Maximum Pressure: 150.00 to 400.00
  • Valve Size: 2.00
  • Primary Material: Stainless Steel
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]

  • Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
Safety Relief Valves -- Brand: Mallard Control
from CIRCOR Energy

CIRCOR Energy offers several lines of spring-loaded safety relief valves ideally suited for pipe and pressure vessel protection in Upstream, Midstream and Downstream Hydrocarbon applications. Useful for air, gas, liquid and mixed phase services, these valves are designed for reliable operation, long... [See More]

  • Connection Description: Threaded
  • Controlled Pressure Range: 12500.00
  • Valve Size: 0.25 to 3.00
  • Primary Material: Steel
Pressure Relief Valve -- 713-9001-20
from Clark Solutions

The 1/4" to 3/4" relief valves are suitable for pressure settings up to 100 PSI. Higher pressure settings are possible by changing the spring. The 1" relief valve is suitable for pressure settings up to 200 PSI. [See More]

  • Connection Description: Threaded; 1/4" NPT
  • Controlled Pressure Range: 100.00
  • Valve Size: 0.25
  • Media: Air; Compressed Air
Relief Valve -- V63-D-12M
from DK-LOK U.S.A.

Up to 6000psig (413bar). Up to 204 ℃ (400 ℉). SS316. Cracking pressure 50 to 6000psing (3.4 to 413bar). DK-LOK OD 1/4 - 1/2 inch. Pipe thread 1/4 - 1/2 inch [See More]

  • Connection Description: Threaded; 12 mm Dk-Lok
  • Maximum Pressure: 3000.00
  • Valve Size: 0.19
  • Controlled Pressure Range: 0.00 to 3000.00
GS Series Gas Service Back Pressure Regulator
from Equilibar, LLC.

Precision Back Pressure Regulator. For gas & mixed phase processes. Rugged Bar Stock Design. Available in ¼ inch through 1 inch sizes. SS316 standard with Hastelloy C optional. Diaphragms available in PTFE, Hastelloy, SS316, and polyimide. The GS series is specifically designed for a... [See More]

  • Connection Description: Threaded; 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); NPT
  • Maximum Pressure: 0.00 to 2500.00
  • Valve Size: 0.12 to 1.00
  • Controlled Pressure Range: 0.00 to 2500.00
Heavy Duty Check/Relief/Dual Shutoff Valves
from ESAB Welding and Cutting Products

Features. Wide assortment of NPTF Thread Check Valves. For oxygen and fuel gas service [See More]

  • Connection Description: Threaded; NPTF-Poppet, NPTF-Swing
  • Media: Gas; Oxygen, Fuel Gas
  • Valve Size: 0.25 to 1.50
Reduced Pressure Zone Assemblies
from FEBCO

Reduced Pressure Zone Assemblies are used to protect against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. They are also used in irrigation systems, boiler feed, water lines and other installations requiring maximum... [See More]

  • Connection Description: Threaded (optional feature); BoltFlange (optional feature)
  • Maximum Pressure: 20.00 to 175.00
  • Valve Size: 0.50 to 10.00
  • Primary Material: Brass / Bronze (optional feature); Copper (optional feature)
High Pressure Relief Valves
from FITOK GmbH

Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 1500.00 to 60000.00
  • Valve Size: 0.08 to 0.31
  • Primary Material: Stainless Steel
Relief Vent Fittings
from G.L. Huyett

Pressure relief vents open and close within a predetermined pressure range. As internal pressures rise, the plunger or check ball opens, allowing pressure to vent. As pressures decrease to below the minimum threshold, the valve closes. [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 0.25 to 80.00
  • Valve Size: 0.12 to 0.39
  • Controlled Pressure Range: 0.25 to 80.00
Release Valve -- D-2454-12H
from Harwood Engineering Company

Features. Service for liquids and gases for pressures up to 200,000 psi. Hydraulically-operated. Replaceable seat and packings. Hydraulic control pressure of 1,000-1,500 psi. Hydraulic control ports are ¼NPT. Options. Stainless steel valves for water service. Custom design available. [See More]

  • Connection Description: Threaded; Inlet: 12H, Release Port: ¼ NPT
  • Primary Material: Stainless Steel
  • Maximum Pressure: 200000.00
  • Actuation: Mechanical; Hydraulic
MV Series Pressure Relief and Sequencing Valve -- DMV
from HAWE North America Inc.

Pressure limiting valve (safety valve): Safeguarding the system against excessive pressure or for the limitation of working pressure. Sequence valves: Generates a constant pressure difference between inlet and outlet of the flow. Directly controlled valves feature a dampening device to ensure quiet... [See More]

  • Connection Description: Threaded; G 1/2, G 3/4
  • Primary Material: Steel
  • Maximum Pressure: 5076.32
  • Actuation: Manual
Pressure Relief Valves
from International Polymer Solutions Inc.

Our IPS Pressure Relief Valve (PRV) is constructed with a 100% pure PTFE Valve Body and Valve Plug. The single O-Ring design allows user selection of EP, Viton or Kalrez (FFKM eq.) depending on the flowing media. The IPS PRV is factory configured for a 10 psi to 90 psi pressure range. The relief... [See More]

  • Connection Description: Threaded (optional feature); 1/4", 3/8", 1/2" FNPT/TUBE/FLARE
  • Maximum Pressure: 10.00 to 90.00
  • Valve Size: 0.25 to 0.50
  • Primary Material: PTFE
Relief/Sustaining/Surge Control Valves -- 106/206-RPS-D
from ISC Sales, Inc.

This valve and has two sensing connections. The valve and pilot remain closed until the difference between the two pressures exceeds the pilot setting. The pilot setting establishes a differential pressure that is held relatively steady despite changes in pressure or flow. Product Information:... [See More]

  • Connection Description: Threaded (optional feature); BoltFlange (optional feature); Socket Weld (optional feature); Threaded: 300# NPT or BSP, Flanged: ANSI 300#; ISO PN25; Au Class 21/35; Au; Table E/F, Flanged: ANSI 300#; ISO PN25; Au Class 21/35; Au; Table E/F
  • Media: Water
Anti-Siphon/Back Pressure Valve -- E90420
from Iwaki America and Walchem, IWAKI America Inc

Walchem diaphragm back pressure valves are used to enhance the performance of chemical feed pumps and systems by providing a constant discharge head pressure. These valves also function as an antisyphon valve. The diaphragm is held against the seat by the internal spring. Back pressure is adjustable... [See More]

  • Connection Description: Threaded; 1/2" PVDF
  • Maximum Pressure: 150.00
  • Valve Size: 0.50
  • Controlled Pressure Range: 0.00 to 150.00
Electronic Pressure Relief Valve
from Kelly Pneumatics, Inc.

Kelly Pneumatics, Inc. introduces an electronic pressure relief valve for high flow applications. This valve offers high-resolution pressure chamber control for applications that require high volume, relieving flow performance. Well used in applications that need to sustain a consistent chamber... [See More]

  • Connection Description: Threaded; 1/8" or 1/4" FPT
  • Actuation: Electric
  • Maximum Pressure: 1.00 to 98.00
  • Media: Air; Water
1" ACeR Bottom Load Polypropylene 3-Way Actuated Valve -- KZ17FM
from KZValve by KZCO

The KZValve QX Series 3-Way, Side Load, Full Port, Ball Valves (On-On Diverter) are engineered for actuation and designed to work with the KZValve actuators. These reliable valves are proven performers season after season. • 3/4", 1" and 11/2" full port valves. • Ball: 316 stainless steel. [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 150.00
  • Valve Size: 1.00
  • Primary Material: PP
High Pressure Relief Valve -- MT10RV
from MAXPRO Technologies, Inc.

The MT10RV Series relief valves are designed to protect systems and components against over-pressure both for gas and liquid applications. The unique poppet design allows for chatter free pressure release and excellent deadband pressure control. The soft seat design provides bubble tight shut-off... [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 10000.00
  • Valve Size: 0.25
  • Primary Material: Stainless Steel
130215
from Oteco, Inc.

2" reset relief valve, pressure range from 400 thru 1500 PSI, threaded [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 400.00 to 1500.00
  • Valve Size: 2.00
  • Primary Material: Stainless Steel
MODEL 415 ELECTRONIC PRESSURE REGULATOR -- 415ACVBAGAA
from Parker Hannifin / Instrumentation Group

The Porter Model 415 Electronic Pressure Regulator combines the proven Porter EPC Electronic Proportional Control Valve with an integrally-mounted pressure sensor and the necessary electronics for self-contained closed-loop pressure control. Model 415 permits regulation of forward (i.e. downstream)... [See More]

  • Connection Description: Threaded
Model DRV Double Relief Valve - 30 GPM
from Prince Manufacturing Corp.

FUNCTION. The PRINCE valve model DRV is a differential poppet type double relief. This valve uses the same relief cartridge as the model RV. The double relief is used in systems that require cross over relief protection such a reversible hydraulic motor, or systems that require a cushion valve such... [See More]

  • Connection Description: Threaded; #12 SAE
  • Controlled Pressure Range: 1500.00 to 3000.00
  • Maximum Pressure: 3000.00
  • Primary Material: Cast Iron; Steel
Relief Valve -- 0430967
from Princess Auto Limited

Relief Valve [See More]

  • Connection Description: Threaded; 1/4in. MNPT
  • Maximum Pressure: 100.00
Compact Stainless Steel Relief Valve -- Model A
from Rupture Pin Technology

Model A Relief Valve. • Pressure relief to atmosphere. • Stainless steel construction. • Compact design with one moving par. Advantages: • Simple, accurate and reliable pressure relief of non-toxic fluids. • Small, up to 1" mnpt, show externally it has opened because the... [See More]

  • Connection Description: Threaded
  • Primary Material: Stainless Steel
  • Valve Size: ? to 1.00
  • Actuation: Mechanical
Excess Pressure Valve -- Type 2357-2
from SAMSON Controls, Inc.

Pressure regulators for cryogenic gases and liquids as well as. other liquids, gases and vapors. Industrial gases, such as argon, nitrogen and oxygen, are. stored in liquified condition at extremely low temperatures and. at a constant pressure in thermally insulated containers. Suitable. pipelines... [See More]

  • Connection Description: Threaded; G 3/4
  • Maximum Pressure: 580.15 to 725.19
  • Valve Size: 0.75
  • Controlled Pressure Range: 14.50 to 580.15
35 Series High Performance Thermal Plastic Valves
from Sea Tech, Inc.

35 Series products are manufactured in polysulfone and certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, IGC 188-04c and recognized by the Uniform Plumbing Code. [See More]

  • Connection Description: Threaded (optional feature); Union (optional feature); Tube Fitting (optional feature)
  • Maximum Pressure: 100.00 to 250.00
  • Valve Size: 0.25 to 1.00
  • Primary Material: Polysulfone
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]

  • Connection Description: Threaded; 1/2" to 3/4" BSP, BSPT, NPT
  • Maximum Pressure: 6.96 to 667.17
  • Valve Size: 0.50 to 0.75
  • Primary Material: Brass / Bronze
Blowdown / Depressurisation Valve -- BDV1
from Spirax-Sarco

The BDV depressurisation valves are designed to be fitted into " , ½ " and DN15 connections for drain / blowdown / purge and vent / depressurisation of pipework or products. The B DV1 provides discharge straight through the valve, generally to be used as a drain, or for line depressurisation... [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 0.00 to 1232.82
  • Valve Size: 0.38 to 0.50
  • Primary Material: Stainless Steel
Bleed Valves
from Superlok - Mako Products

SUPERLOK bleed valves can be used on instrumentation devices. such as multivalve manifolds or gauge valves to vent signal line. pressure to atmosphere Before removal of an instrument or to assist. in calibration of control devices. ■ Compact for convenient installation. ■ Back stop screw... [See More]

  • Connection Description: Threaded
  • Maximum Pressure: 6085.00 to 10000.00
  • Valve Size: 0.12
  • Primary Material: Stainless Steel
Pressure Relief Valve -- 900000069
from Suttner America Company

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

  • Connection Description: Threaded
  • Maximum Pressure: 1000.00 to 4000.00
  • Valve Size: 0.38
  • Primary Material: Brass / Bronze
Direct Acting Proportional Relief Valve -- PRV2
from Swagelok Company

Positive Re-Seating • Superior Design • Accurate. Main Features. ss 316L throughout. soft-seated, bubble tight shut-off. partially balanced. Cv 0.49. reliefs against backpressure. spring housing isolated from process. factory set and wire locked. accurate reseating. shell design according... [See More]

  • Connection Description: Threaded; 1/4 in. BSPP, NPT
  • Maximum Pressure: 5801.51
  • Valve Size: 0.25
  • Controlled Pressure Range: 0.00 to 5801.51
Quick Exhaust Valve
from Trebor International

Many of our end users have lines with high backpressures, which can negatively affect the operation of AODD pumps. To help reduce the backpressure on pumps in such applications, we designed the Quick Exhaust Valve. In addition to reducing the exhaust backpressure, it can capture any chemical in the... [See More]

  • Connection Description: Threaded
  • Media: Air; Compressed Air; Water
Aerospace Relief Valves
from Valcor Engineering Corporation

Valcor Relief Valves provide over-pressurization protection with direct acting and/or pilot operated mechanical components. Our relief valves are available in dual ported (inlet and outlet ports) or ambient vented styles and are suitable for many different aerospace plumbing applications. [See More]

  • Connection Description: Threaded
  • Primary Material: Aluminum; Exotic Metal
  • Maximum Pressure: 20.00 to 3800.00
  • Media: Hydraulic; Air; Compressed Air
Direct Acting Pressure Reducing Valve -- VRV-BZ
from Valvexport, Inc.

Bronze Body & Bonnet, Phosphor Bronze Diaphragm, Stainless Steel Trim [See More]

  • Connection Description: Threaded; NPT
  • Maximum Pressure: 300.00
  • Valve Size: 0.50 to 2.00
  • Primary Material: Brass / Bronze
Back Pressure Relief Valve -- 1 1/2" 3040 Series 20-70
from Watson McDaniel Company

The 3040 Series Back Pressure Valves relieve upstream pressure in a variety of processes. Automatically maintains desired maximum pressure in a vessel or system by relieving excess pressure into lower pressure return line or to atmosphere. Ideally suited for use as pump bypass control valve by... [See More]

  • Connection Description: Threaded; NPT
  • Controlled Pressure Range: 20.00 to 70.00
  • Valve Size: 1.50
  • Primary Material: Brass / Bronze