Flanged Pressure Relief Valves

Description: Pressure Relief Valve - Protects against excessive pressure. 1 ¼"- 12" Consult factory for configuration Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced Port Globe Style (Flanged) Model CA - Angle Body Style

• Connection: Threaded
• Valve Size: 1.25 to 36 inch
• Valve Type: Pressure Relief Valves

Description: The PRV over-and-underpressu re relief valve is an indispensable component for guaranteeing atmospheric pressure in receiving and discharging vessels. The PRV is designed to avoid an explosion or implosion which can occur when an unacceptable level of pressure or vacuum

• Connection: Bolt Flange
• Media Temperature: 14 to 302 F
• Pressure Rating: -0.2901 to 0.6527 psi
• Valve Type: Pressure Relief Valves

Description: REM are double stage pressure relief valves with balanced poppet and SAE flange connection, designed to operate in oil hydraulic systems. They can be directly mounted with SAE flange attachments on the pumps outlet ports and, in particular, on the PFE pumps. In

• Actuation: Pilot Operated
• Connection: Bolt Flange
• Media Description: Hydraulic Fluid
• Pressure Rating: 5076 psi

Description: 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

• Connection: Threaded, Clamp Flange
• Media Temperature: 41 to 140 F
• Pressure Rating: 2.9 psi
• Valve Size: 0.4724 inch

Description: 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

• Connection: Threaded, Clamp Flange
• Media Temperature: 41 to 140 F
• Pressure Rating: 2.9 psi
• Valve Size: 0.4724 inch

Description: below the set-point. Product Information: Relieve pressure, Sustain differential pressure, Anticipate surges, Plus more. Whatever your application is ISC offers valves that provide peace of mind, and give your application the protection it needs. Relief valves are

• Connection: Threaded, Bolt Flange, Socket Weld / Solder
• Media Description: Water

Description: Pressure relief valves from Technetics Group are designed to protect your pressure vessels, systems and components. Our engineers will tailor overpressure solutions to the specifications you require. As with each of our solutions, the pressure relief

• Media Description: Other
• Metals: Aluminum, Stainless Steel, Exotic Metal
• Plastics: PTFE - Teflon®
• Pressure Rating: 1 to 10000 psi

Description: 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

• Connection: Threaded
• Valve Size: 0.2500 to 3 inch
• Valve Type: Pressure Relief Valves, Safety Valves

Description: CIRCOR Energy is pleased to offer the Model 3500 as part of our Pilot Operated Valves portfolio. Below is a list of features that will enable you to better understand its capabilities. Features Snap acting & modulating options available API orifice sizes "D

• Connection: Bolt Flange
• Controlled Pressure Range: 900 to 6170 psi
• Media Description: Gas, LP - Gas, Natural Gas
• Metals: Steel

Description: The Dynamic Lifter pressure relief valve is a direct acting spring loaded relief valve. The valve is adjusted to open when the pressure exceeds the set-point, and closes drip-tight when pressure falls below the set-point. A speed control

• Connection: Threaded, Bolt Flange, Socket Weld / Solder
• Media Description: Water

Description: . Product Information: Relieve pressure, Sustain differential pressure, Anticipate surges, Plus more. Whatever your application is ISC offers valves that provide peace of mind, and give your application the protection it needs. Relief valves are used to control or

• Connection: Threaded, Bolt Flange, Socket Weld / Solder
• Media Description: Water

Description: Information: Relieve pressure, Sustain differential pressure, Anticipate surges, Plus more. Whatever your application is ISC offers valves that provide peace of mind, and give your application the protection it needs. Relief valves are used to control or limit the

• Connection: Threaded, Bolt Flange, Socket Weld / Solder
• Media Description: Water

Description: Designed to meet the changing needs of the process industry, the new Series 3 Pressure Relief valve is a full-bore self-draining device ranging in size from 1" - 4". Available in manual and actuated models. The Series 3 valves have a tamper-proof pressure setting

• Actuation: Pneumatic
• Connection: Clamp Flange
• Controlled Pressure Range: 0.0 to 150 psi
• Metals: Stainless Steel

Description: FLANGED STEEL PRESSURE-RELIEF VALVES

Description: Consider the safety rating, productivity value and cost savings of electronic relief valves - the relief valve whose standard blowdown and set pressure is accurate to 0.1% of 1 psi. ValvTechnologies' ERV is the perfect combination of zero-leakage isolation

• Actuation: Electric, Electro-hydraulic, Electro-pneumatic, Other
• Connection: Bolt Flange, Butt Weld
• Valve Size: 2.5 to 4 inch
• Valve Type: Other

Description: The GD-200/200H valves offer high capacity and highly accurate control, with a large, cupped diaphragm for a long stroke. Compact and rugged, the GD-200’s composition valve and bronze metal seat mean high performance over a longer service life. Well suited to non-viscous liquid

• Connection: Bolt Flange
• Controlled Pressure Range: 7 to 100 psi
• Features: Diaphragm Valves
• Media Description: Air, Compressed Air, Water, Hot Water, Cold Water

Description: Cast bronze frame and cover 125# Flange Typical Specifications Hydrostatic pressure relief valves shall be designed to effectively relieve excess ground water from around submerged structures, helping to prevent flotation of the structure. The

• Valve Type: Pressure Relief Valves

Description: Cv, the GP-2000 is reliable and accurate (+/-1% of pressure set point from 5% to 100% of flow) over a long, trouble-free service life. Hardened stainless steel working parts are renewable in-line. The GP-2000 is single-seated for dead-end service, and it is available with both NPT (1/2"–2")

• Actuation: Electric, Pilot Operated
• Connection: Threaded, Bolt Flange
• Controlled Pressure Range: 1.5 to 200 psi
• Features: Diaphragm Valves

Description: PRESSURE REDUCING VALVE WITH CHECK Reduces high upstream pressure to lower downstream pressure. Check feature prevents reverse flow in the event of pressure reversal. Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF - Reduced

• Connection: Threaded
• Valve Size: 1.25 to 36 inch
• Valve Type: Pressure Relief Valves

Description: Pressure Reducing Valve & Back Pressure Valve allows flow as long as upstream pressure exceeds backpressure setting. Maintains a lower steady downstream pressure regardless of fluctuations in the inlet pressure or flow, as long as backpressure on

• Connection: Threaded
• Valve Size: 1.25 to 36 inch
• Valve Type: Pressure Relief Valves

Description: Reduces high upstream pressure to lower downstream pressure. Standard C101 valves are set at 25 - 125 PSI. Consult factory for other options. 1 ¼"- 12" Consult factory for configuration. Configurations: Model C - Full Port Globe Style (Flanged or Threaded) Model CF

• Connection: Threaded
• Valve Size: 1.25 to 36 inch
• Valve Type: Pressure Relief Valves

Description: DISC VALVE, 3-1/2IN, 250PSI, CARBON STEEL, USE WITH 2INCH NOMINAL FLANGES. FREE 2 YEAR RADWELL WARRANTY

• Primary Material of Construction: Steel

Description: FLANGE UNION, 1-1/2INCH SW CONNECTION, 2INCH FLANGES, 4 BOLT. FREE 2 YEAR RADWELL WARRANTY

Description: Features & Benefits 4? and 6? sizes available. Heavy cast bronze frame and cover Neoprene seat PVC receiver end for PVC body extension (PRF-15) Flanged connection (PRB-14)

• Media: Water

Description: The GP-1000 Series valves are pilot-controlled for accurate regulation of pressure under widely ranging flow. The internal-pilot design eliminates external components and piping. Internally piloted GP Series valves are capable of larger capacity and greater accuracy than direct

• Actuation: Pilot Operated
• Connection: Threaded
• Controlled Pressure Range: 5 to 125 psi
• Features: Diaphragm Valves

Description: Class 150 or 300 flanges, and the FIV Class 600 (F6) valves are designed for schedule 80 pipe or Class 600 flanges. Flange Insert valves can be used as check valves, low pressure relief valves, and vacuum breakers by simply using

• Actuation: Other
• Connection: Bolt Flange, Metal Face Seal
• Features: Poppet Valves
• Media Description: Air, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid, Steam, Other

Description: A high-performance externally air-piloted pressure-reducing valve, the GP-2000K-1/GP-2000K- 3/GP-20000K-6 is an ideal choice when set-point changes are frequent and access to the PRV is difficult. The valve comes totally assembled and requires no field installation except

• Actuation: Electric, Pilot Operated
• Connection: Bolt Flange
• Controlled Pressure Range: 45 to 200 psi
• Features: Diaphragm Valves

Description: Description 7100/8100 Series pressure/vacuum relief valves are pressure/vacuum relief valves for large volume discharge of storage tanks, which can avoid loss of storage tanks due to overpressure or negative pressure, and at the same time can

• Valve Size: 2 to 12 inch
• Valve Type: Directional Valves, Pressure Relief Valves, Safety Valves

Description: When performance under pressure is critical, the Accuseal® Automated Relief Valve is a must, The Accuseal ARV design provides automatic or manual overpressure protection for steam boiler systems, assisting with venting for start-up and shutdown.

• Connection: Bolt Flange, Butt Weld
• Features: Severe Service Rated
• Media Description: Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Other
• Metals: Steel, Exotic Metal, Other

Description: Flanged Steel Pressure Relief Valves

Description: The Red Valve Series RSR Pressure Relief Valve is designed specifically for slurry applications. It is a reliable relief valve available for slurry service, venting surge pressures in the system, or to maintain system pressure. The valve

• Connection: Bolt Flange
• Media Description: Water, Ground Water, Wastewater, Powder / Solids, Other
• Metals: Ductile Iron, Other
• Plastics: Rubber

Description: Ideal for applications where space is at a premium or where weight is important; the MPV has been designed to meet a wide range ofapplications.

• Actuation: Pneumatic
• Connection: Clamp Flange
• Controlled Pressure Range: 8 to 160 psi
• Metals: Stainless Steel

Description: Series Figure 41 Steam Safety Relief Valves are ASME section VIII valves used for over-pressure protection of unfired pressure vessels, steam pressure reducing valve stations, and other steam service equipment with operating pressures from 5 to

• Valve Type: Pressure Relief Valves, Safety Valves

Description: 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

• Valve Type: Pressure Relief Valves, Safety Valves

Description: Mechanical over pressure protection device with integrated directional discharge outlet. Provides pressure relief and insulating fluid containment (requires optional piping) on transformers and load tap changers during over pressure conditions. Automatically reseals once

• Media: Gas

Description: Medium Pressure Relief Device (MPRD) is designed for over-pressure conditions on oil filled transformers, load tap changers, and other related electrical apparatus. Features Uniquely designed tip/side gasket that seals under repeated operations Up to 2 switches for

• Media: Gas

Description: - Adjustable relief setting from 150 psi to 6000 psi - Standard screw adjustment for relief setting. - SAE O-ring port for gauging - Pressure at Y is directly additive to relief setting

• Actuation: Electro-hydraulic
• Connection: Bolt Flange
• Features: Solenoid Valves
• Media Description: Hydraulic Fluid

Description: - Adjustable relief setting from 150 psi to 6000 psi - Standard screw adjustment for relief setting. - Removable NPT orifice plug options - SAE O-ring port for gauging - Pressure at Y is directly additive to relief setting

• Actuation: Pilot Operated
• Connection: Bolt Flange
• Media Description: Hydraulic Fluid
• Metals: Stainless Steel, Steel

Description: 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

• Connection: Threaded, Bolt Flange
• Media Description: Water, Potable Water
• Metals: Brass / Bronze, Copper
• Pressure Rating: 20 to 175 psi

Description: Description 7140/8140 Series single absorption valve is a vacuum relief valve, which can avoid the loss of the storage tank due to negative pressure and compensate for the air pressure balance of the storage tank. 7140, 8140 Gravity Type Vacuum Relief

• Valve Size: 3 to 14 inch
• Valve Type: Directional Valves, Pressure Relief Valves, Safety Valves

Description: Series LFF127W Flanged High Capacity Water Pressure Reducing Valves are used in commercial and industrial applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a triple-coated corrosion

• Media: Water
• Valve Size: 3 to 4 inch
• Valve Type: Pressure Relief Valves

Description: CPM valves maintain uniform inlet or outlet pressure in hygienic process lines for the dairy, food and beverage industries. These regulating valves provide accurate pressure control, safe and reliable performance and excellent cleanability. Safe, effective pressure

• Actuation: Pneumatic
• Connection: Clamp Flange
• Features: Diaphragm Valves
• Media Description: Water

Description: Series LFN223F and LFN223FS Super Capacity Water Pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption. This series is suitable for water supply pressures up to 175psi

• Media: Water
• Valve Size: 3 inch
• Valve Type: Pressure Relief Valves

Description: 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

• Actuation: Other
• Connection: Bolt Flange, Metal Face Seal
• Features: Poppet Valves
• Media Description: Air, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid, Steam, Other

Description: Description The 5213 series is a conventional spring-type pressure relief valve. The 5213B series is a balanced piston pressure relief valve. Available for flanged, threaded end connection. Size: 1/4"x1/4" to 1"x1" Nominal Pressure: Class150 ~

• Valve Size: 1 to 4 inch
• Valve Type: Directional Valves, Safety Valves

Description: Mechanical device for relief of excessive pressure buildup in large volumes of gas or fluid. Patented dual gasket system provides quick response time and automatically reseals after pressure has subsided. Options include local operation indication, contacts (switches) for

• Media: Gas

Description: -driven cams, contained in a flanged split vinylester-fiberglas s body, act on the Diaphragm Spool, providing flow control over the entire 90 degrees of valve stem travel. The valve exhibits negligible pressure drop in the open position and bubble-tight closure even

• Actuation: Electric
• Media: Water
• Media Temperature: -40 to 150 F
• Number of Ports/Ways: 2

Description: 1" CPVC PRESSURE RELIEF VALVE, PTFE, 150# FLANGE, LOW PRESSURE

• Number of Ports/Ways: 3
• Pressure Rating: 50 psi
• Primary Material of Construction: CPVC
• Valve Size: 1 inch

Description: 1" PVC PRESSURE RELIEF VALVE, PTFE, 150# FLANGE, LOW PRESSURE

• Number of Ports/Ways: 3
• Pressure Rating: 50 psi
• Primary Material of Construction: PVC
• Valve Size: 1 inch

Description: 1" CPVC PRESSURE RELIEF VALVE, EPDM, 150# FLANGE, LOW PRESSURE

• Number of Ports/Ways: 3
• Pressure Rating: 50 psi
• Primary Material of Construction: CPVC
• Valve Size: 1 inch

Description: 1" CPVC PRESSURE RELIEF VALVE, VITON, 150# FLANGE, LOW PRESSURE

• Number of Ports/Ways: 3
• Pressure Rating: 50 psi
• Primary Material of Construction: CPVC
• Valve Size: 1 inch

Description: 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

• Actuation: Other
• Connection: Threaded, Compression Fitting, Bolt Flange, Clamp Flange, Union, Tube Fitting, Butt Weld, Socket Weld / Solder, Metal Face Seal
• Features: Poppet Valves, Cartridge / Manifold Valves
• Media Description: Air, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid, Steam, Other

Description: 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

• Connection: Bolt Flange
• Controlled Pressure Range: 25 to 75 psi
• Media Description: Water, Potable Water
• Metals: Brass / Bronze