Gas Pressure Relief Valves Datasheets

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]

• Media: Hydraulic; Air; Breathable; CompressedAir; Water; HotWater; ColdWater  ; GroundWater; PotableWater; Wastewater; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas 
• Maximum Pressure: 0.00 to 500.00 psi

• Valve Size: 0.00 to 0.06 inch
• Controlled Pressure Range: 10.00 to 450.00 psi

In the mid-1940s, a new relief valve actuated with a pilot rather than a spring set a new standard for pressure control. The valve, manufactured over the years by companies like Garrett, USI, Axelson, and NUFLO, is now manufactured and sold by Cameron's Measurement Systems division. The NuFlo... [See More]

• Media: Air; CompressedAir; Gas 
• Maximum Pressure: 6000.00 psi

• Valve Size: 1.00 to 8.00 inch
• Connection Description: BoltFlange 

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]

• Media: Hydraulic; Air; Water; HotWater; ColdWater  ; GroundWater; PotableWater; SaltWater (optional feature); Gas; Gasoline or Diesel Fuel (optional feature); HighPurity (optional feature); LP Gas (optional feature); NaturalGas (optional feature); SourGas (optional feature); SpecialtyCorrosive (optional feature); Steam; Liquids 
• Maximum Pressure: 3000.00 psi

• Valve Size: 0.50 inch
• Connection Description: Threaded; FaceSeal (optional feature); 3/8 NPT 

The valves are intended for installation in pipelines in accordance with the EC guideline 97/23/EC concerning pressure devices. The type of medium (chemical, abrasive, and corrosive effect) agreed with the order and the limit values of medium pressure and temperature according to the data sheet must... [See More]

• Media: Hydraulic; Air; CompressedAir; Water; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas 
• Maximum Pressure: 0.00 to 600.00 psi

• Valve Size: 0.59 inch
• Controlled Pressure Range: 75.00 to 600.00 psi

Features. Support for gases and liquids. Hydraulically operated. Replaceable seat and packings. Hydraulic Control Pressure of 1000 - 1500 psi. Hydraulic Control Ports are ¼ NPT. Options. Stainless steel valves for water service. Custom design ava [See More]

• Media: Air; Water; Gas 
• Connection Description: Threaded; Inlet: 12H, Release Port: ¼ NPT 

• Maximum Pressure: 200000.00 psi
• Primary Material: StainlessSteel 

Provide over pressure on any high pressure, low flow gas or liquid system. Adjustable in 500psi increments [See More]

• Media: Gas; Gasoline or Diesel Fuel; HighPurity; SourGas 
• Maximum Pressure: 60000.00 psi

• Valve Size: 0.12 to 1.00 inch
• Connection Description: Threaded (optional feature); Compression (optional feature); Coned and Threaded 

All PFA molded design. Relieves system pressure at preset crack pressure. [See More]

• Media: Gas; HighPurity; LP Gas; NaturalGas; SourGas; SpecialtyCorrosive 
• Maximum Pressure: 200.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 20.00 to 90.00 psi

The R44 Series are industrial pressure regulators for use with compressed air and inert gases such as carbon dioxide, argon helium, krypton, neon nitrogen and xenon. The R83 models are for primary high pressure regulation, while the R44 models are for secondary low pressure regulation. These... [See More]

• Media: Air; CompressedAir; Gas; HighPurity; CO2 
• Maximum Pressure: 250.00 psi

• Valve Size: 1.50 inch
• Controlled Pressure Range: 1.00 to 175.00 psi

The Type SRH High Capacity Safety Relief Valves are designed and constructed to meet the requirements of Section VIII ASME Boiler and Pressure Vessel Code and ANSI/ASHRAE 15 Code requirements and bear the ASME Code Symbol (UV). Employing proven principles of design, these Safety Relief Valves are... [See More]

• Media: Air; Water; HotWater; ColdWater  ; Gas; Steam 
• Connection Description: Threaded 

• Valve Size: 1.25 inch
• Primary Material: BrassBronze 

Excess Pressure Valves for food processing and pharmaceutical industries. Special features. • Proportional regulators for use in the food processing and. pharmaceutical industries. • Wetted inside surfaces with a smooth or polished finish. • Stainless steel 1.4404 (316L). •... [See More]

• Media: Water; HotWater; ColdWater  ; Gas 
• Maximum Pressure: 145.04 to 150.00 psi

• Valve Size: 0.50 to 2.00 inch
• Controlled Pressure Range: 4.35 to 90.00 psi

The 20-400 series unloading valves are available in four operating pressures from 6,000 psig up to 30,000 psig. used to automatically release hydraulic pressure replacing the standard manual shut off type release valve found in most high pressure systems. The unloading valve is controlled by a pilot... [See More]

• Media: Hydraulic; Water; HotWater; ColdWater  ; Gas 
• Maximum Pressure: 1000.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 100.00 to 1000.00 psi

Swagelok 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. Male NPT and SAE end connections. [See More]

• Media: Air; CompressedAir; Gas 
• Maximum Pressure: 7920.00 to 10000.00 psi

• Valve Size: 0.25 inch
• Connection Description: Threaded; 1/4 in. MNPT 

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]

• Media: Gas; HighPurity; SpecialtyCorrosive 
• Maximum Pressure: 2900.00 to 4350.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 44.00 to 508.00 psi

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 250psi (.34 to 17.2 bar). Series Figure 41 is a high... [See More]

• Media: Air; Gas 
• Maximum Pressure: 250.00 psi

• Valve Size: 0.50 to 6.00 inch
• Controlled Pressure Range: 5.00 to 250.00 psi