Relief Valves

Relief Valve handles high-purity and aggressive fluids.
Relief Valves

Relief Valve handles high-purity and aggressive fluids.

Series 075RS features built-in solenoid, powered by continuous-duty coil, that permits valve to be opened by 12 or 24 Vdc signal on command. In addition to protecting system from excessive pressure, valve functions as control module for purging of system; opening bypass channel when pump is running in closed system; and providing on/off control. Standard relief settings are 20, 35, 60, 85, 110,...

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Relief Valves

Pilot Control has set-pressure range to 2,220 psig.

PCM Modulating Pilot Control valve opens in proportion to overpressure to minimize emissions and product loss. Set pressure is not affected by constant or variable backpressure. ASME NB Certified for air, gas, vapor, and liquid services, unit is offered in sizes 1 x 2 in. through 8 x 10 in. with set-pressure range from 15-2,220 psig. Standard valve has all stainless steel construction and may be...

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Safety Relief System fits cryogenic storage tanks.
Relief Valves

Safety Relief System fits cryogenic storage tanks.

Figure 790 Cryotree Assembly includes safety relief valves, full flow diverting valve, rupture discs, bleed valves and related piping. It is designed for stationary cryogenic storage tanks, and eliminates need to shut down and evacuate tank to service valves and rupture discs. Assembly comes in 3/4, 1, and 1 1/2 in. sizes and is suitable for pressures to 400 psig and temperatures from cryogenic...

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Safety Relief Valve provides tight shutoff.
Relief Valves

Safety Relief Valve provides tight shutoff.

Built with all stainless steel internals, Figure 800 offers corrosion resistance, metal seat, and choice of 3 different soft seat options. Valve meets ASME Section VIII for liquid, steam, air, and gas services and features quick opening and short reclosing pressures. With fixed ring design, valve is available for pressures to 900 psig and temperatures to 422°F. It suits Cryogenic Applications...

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Valves offer chemical compatibility.
Relief Valves

Valves offer chemical compatibility.

C Series Valves are constructed of Hastelloy® C or 316 L stainless steel to provide repeatable pressure regulation or relief of corrosive solutions. They feature smooth, chatter-free bypass and minimal pressure surge. Valves have no external springs or moving parts, and can be used with any positive displacement pump.

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Bypass Relief Valves feature Teflon® construction.
Relief Valves

Bypass Relief Valves feature Teflon® construction.

Series RVT angle pattern relief valves have Teflon® shaft and body for use with corrosive and ultra-pure liquids, and for elimination of sticking and surging. Pipe sizes range from 1/4 to 2 in. with various seal materials including Buna-N, Viton, and EPDM. Flow rates range from 2 gpm, and set pressures range from 5 to 150 psi. Valves relieve excess pressure in piping systems, as well as prevent...

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Relief Valve works for wide pressure range.
Relief Valves

Relief Valve works for wide pressure range.

Series 1400 fixed-blowdown safety relief valve can be used on gas compressors, separators, heater treaters, scrubbers, dehydrators, gas production units, and transmission and gathering lines in high-flow air, gas, and liquid service. It is available in flanged and threaded configurations, with inlet sizes from 1/2 to 2 in., and orifice areas of 0.059 to 0.830 sq in. It offers set pressures from 5...

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Relief Valves are designed for gas or liquid applications.
Relief Valves

Relief Valves are designed for gas or liquid applications.

High pressure relief valves protect systems or devices from over-pressure damage and failure. They are available in pressures from 1,000 to 10,000 psi, and feature stainless steel body, nylon seat and PTFE/EPDM seals. Inlet or thru ports and outlet/vent sizes are 1/4 in. FNPT. Valves have 0.70 in. dia orifice and Cv of 0.12. They are externally adjustable and can be mounted in line.

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Relief Valves have relief ranges from 0 to 100 PSIG.
Relief Valves

Relief Valves have relief ranges from 0 to 100 PSIG.

P-Series Diaphragm-type Relief Valves are available in 2 models that offer push-pull locking knob. P130 has lightweight aluminum body and 1/4 in. male pipe threads. P134 has brass body, captured exhaust, and is of inline-type with 3 inlet ports (two 1/8 in. and one 1/4 in. female pipe threads) and one outlet port (1/4 in. female pipe threads). Valves are rated for 300 PSIG maximum inlet pressure...

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Relief Valve is suitable for cryogenic service.
Relief Valves

Relief Valve is suitable for cryogenic service.

RSL Safety Relief Valve features Teflon® seat, bronze body and stainless steel spring. It is 02 cleaned for oxygen service in compliance with CGA specification G-4.1. Valve is available in sizes 1/2 to 2 in. and is suitable for pressures to 300 psig and temperatures from cryogenic to 300°F. RSL is used in tanks, pumps, pipelines and other vessels where large relieving capacities are not...

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