Description

Pressure Sustaining Valve Direct Acting Z-Tide RFT
Function: pressure sustaining or back pressure valve (BPV)
Operation: Direct acting
Port: 1/2, 3/4, 1, 11/2 or 2 BSP, option NPT thread.
Body: 316 stainless steel, option Duplex 316 stainless steel
Internals: stainless steel
Seals: NBR option Viton and EPDM.
Media: air, water, pure water, light oil and other fluids and gases under 40 CST and gases compatible with materials of construction.
Max inlet pressure: 25 Bar
Test pressure: 35 Bar
Back Pressure adjustment: 1 to 5 or 4 to 10 Bar, displayed by stainless steel pressure gauge (Included)
Temperature Range: -15°C to +80°C

Pressure sustaining valves are designed to maintain a pre-set back pressure, if the back pressure drops to the set value the valve will begin to close to maintain back pressure, when pressure returns the valve will begin to open again.

Typically used to maintain pressure for critical systems upstream, by limiting flow to non-critical systems down stream if required to do so.

Equivalent To

Broady type A pressure sustaining valve
Braeco (bprv) valve
Fisher 98 series back pressure regulator
Niezgodka Type 80 SKK, SKS Sustaining Valve
RFT15S, RFT20S, RFT25S, RFT40S, RFT50S, DABPV-SS1, BPV, zt-53469, rft
Zwicky 25321/1, 26314/1, 26315/1, 26315/2, 26316/2, 25316/1, 25316/2, 25319/2, 25323/1, 25323/2, 25472/2

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