Steel Pressure Relief Valves Datasheets

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]

• Primary Material: StainlessSteel (optional feature); Steel (optional feature) 
• 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]

• Primary Material: BrassBronze; StainlessSteel; Steel; Exotic Metal; Alloy 20, Hastelloy, Titanium 
• Maximum Pressure: 3000.00 psi

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

SYPHON AIR VALVES are a unique type of Air Vacuum Valve incorporating a paddle which hangs down the main pipeline flow stream. The valve will allow a syphon flow to be developed and maintained after stopping the pump. Subsequently should the syphon flow reverse, the paddle swings in reverse causing... [See More]

• Primary Material: Steel 
• Connection Description: BoltFlange; 3" - 16" Flange 

• Valve Size: 3.00 to 16.00 inch
• Actuation: Mechanical 

Enerpac's line of directional air valves and accessories complete your workholding system. Used to control air operated hydraulic units, they increase your productivity and efficiency. VA-series directional air valves provide either manual or electric control to air operated hydraulic units. [See More]

• Primary Material: Steel 
• Maximum Pressure: 150.00 psi

• Valve Size: 0.38 inch
• Connection Description: Threaded; 3/8" - 18NPT 

These valves were originally developed in response to the need for accurate regulation of high pressure at low flow without the "chatter" often encountered with valves of this size. They are differential area poppet design with a high ratio between seal and seat area for smooth control,... [See More]

• Primary Material: Steel 
• Maximum Pressure: 10000.00 psi

• Valve Size: 0.25 inch
• Connection Description: Threaded; 1/4" NPT 

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]

• Primary Material: Steel 
• Actuation: Manual 

• Maximum Pressure: 290.08 psi
• Media: Hydraulic 

High performance butterfly valves are the result of years of experience in the design and manufacture of products for a variety of applications. Our valves are designed and tested to meet or exceed the most exacting standard of our industries. If you have pressure and need a valve to hold it, you... [See More]

• Primary Material: StainlessSteel (optional feature); Steel (optional feature) 
• Maximum Pressure: 75.00 to 285.00 psi

• Valve Size: 2.00 to 24.00 inch
• Connection Description: ButtWeld; ASME B16.34 

PV Series is an economical pressure/vacuum relief valve used to maintain positive pressure in hydraulic reservoirs. The large filter area makes this valve an ideal choice for use in heavily contaminated environments. The optional bayonet type mount allows the valve to be installed in the tank filler... [See More]

• Primary Material: Steel 
• Actuation: Pneumatic 

• Valve Size: 0.50 to 0.75 inch
• Media: Hydraulic 

Differential area relief valves also are also best suited for intermittent applications where fast response is critical. These valves are often used as crossover relief valves to chop pressure spikes. Due to their design, they generally can handle a larger flow rate and have a lower pressure rise... [See More]

• Primary Material: Steel 
• Maximum Pressure: 5000.00 psi

• Valve Size: 0.50 inch
• Connection Description: Threaded 

These compact, heavy duty, pilot operated, iron alloy (ASTM A126 Class B) Differential Pressure Regulators are suitable for Ammonia, R22, R134a, R404a, R507 and other common refrigerants and fluids approved for use in refrigeration systems. All A4AL Regulators are pilot operated using upstream... [See More]

• Primary Material: Steel 

• Maximum Pressure: 145.00 psi

The Prince Series 20 features 1 -10 work sections, extra fine spool metering and power beyond capability. The mounting is usually interchangeable with Gresen “20 ” GPM stack valves. Spools are hard chrome plated. A float section can be installed in any location in the valve assembly. [See More]

• Primary Material: CastIron; Steel 
• Maximum Pressure: 3500.00 psi

• Valve Size: 0.38 to 0.88 inch
• Connection Description: Threaded; NPTF and SAE 

This regulator is used to control the pressure of flammable gases. used as a source of energy, e.g. in boilers, driers, vaporizers,. heat exchangers or industrial ovens. Alternatively, it can control. the compressed air supply in process engineering applications. An additional application of the... [See More]

• Primary Material: CastIron (optional feature); DuctileIron (optional feature); StainlessSteel (optional feature); Steel (optional feature) 
• Maximum Pressure: 232.06 to 580.15 psi

• Valve Size: 0.59 to 1.97 inch
• Controlled Pressure Range: 0.07 to 72.52 psi

Tobul Safety Shutoff Valves (TSV30/50) are designed to protect hydraulic systems from excess pressure; shut off hydraulic flow and isolate accumulators from the hydraulic system; and bleed off/discharge system pressure from accumulators and associated equipment. The optional electrical solenoid... [See More]

• Primary Material: Steel 
• Maximum Pressure: 3000.00 to 5000.00 psi

• Valve Size: 0.50 to 2.00 inch
• Connection Description: Threaded; SAE 8/12/16/24/32