Farris Safety Valves

Farris is our brand for safety valves. We take care of sizing, selection, supply, spare parts and service.

Farris Engineering (Curtiss-Wright) spring-loaded and pilot operated pressure relief valves since 1943: 2600 process valves, 3800 pilot operated, 2700 compact and 2400 small-bore valves, 4200 boiler safety valves and the inSure lift monitor. ASME, National Board and PED certified.

Models

Connection

FlangedThreadedWeld end

Flange standard

DIN · DN sizesANSI · inch sizes

Medium

GasSteamLiquid

Fits sizeDNPressurebar

6 of 6 models

2600

Farris 2600 series pressure relief valve

Spring-loaded full-nozzle pressure relief valve for process service, ASME Section VIII and PED, API 526 orifices D to T plus super capacity to Z, 1x2" to 20x24", 15 to 6000 psig, conventional or BalanSeal bellows.

3800

Farris 3800 series pilot operated pressure relief valve

Pilot operated pressure relief valve with snap-acting or modulating non-flowing pilot, API orifices D to T and full port, 1x2" to 12x16", 15 to 6170 psig, ASME Section VIII for gas, steam and liquid.

2700

Farris 2700 series compact pressure relief valve

Compact spring-loaded relief valve with threaded, flanged, socket weld or sanitary connections, 1/2x1" to 1-1/2x2-1/2", orifice areas 0.068 to 0.573 sq in, 15 to 6500 psig, ASME Section VIII and XIII, ISO 4126-1.

2400

Farris 2400 series soft seat pressure relief valve

Direct spring-loaded relief valve with bubble-tight soft seat, 1/2" to 1" threaded or flanged, orifices B, D and E, gas version with external blowdown adjustment and 2400L balanced liquid version to 6000 psig.

4200

Farris 4200 series steam safety valve

ASME Section I and VIII boiler safety valve for steam and air, full nozzle, open bonnet, 1-1/4x1-1/2" to 6x8", 15 to 1000 psig, −20 °F to +1000 °F, carbon steel, stainless or chrome-moly.

inSure

Farris inSure valve monitoring device

Real-time monitor for Farris 2600 pressure relief valves: detects and records every lift by stem movement, reports via 4-20 mA, WirelessHART or ISA100, intrinsically safe, battery powered, retrofit kit or factory fitted.

Not seeing the size, connection or rating you need? Most of these models are built to order and our suppliers' engineers adapt them. Send us what you have and we work it out. Send us your requirement →

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