Description

Pressure Sustaining Valve Direct Acting Z-Tide RFF
Function: pressure sustaining or back pressure valve (BPV)
Operation: Direct acting
Port: DN15, DN20, DN25, DN40, DN50, DN65, DN80, DN100 or DN150
Flange type: PN16, option JIS10K, ANSI150Lb or PN25 flange.
Back Pressure adjustment: 1 to 5 or 4 to 10 Bar, displayed by stainless steel pressure guage (Included)
Body: 316 stainless steel (CF8M)
Flanges: CF8M sizes DN65, DN80 + DN100, other sizes welded flange 316L
Internals: stainless steel
Seals: NBR option Viton, EPDM or PTFE
Media: air, water, pure water, light oil and other fluids under 40 CST and gases compatible with materials of construction.
Max inlet pressure: 25 Bar
Test pressure: 35 Bar
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 set value the valve will begin to close to maintain pressure, when pressure returns the valve will begin to open again.

Equivalent To

Z-Tide RFF15S,RFF20S,RFF25S,RFF32S,RFF40S,RFF50S,RFF65S,RFF80S,RFF100S,RFF150S,DABPV-SS1

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