Pressure Valve, Pressure Relief valve

Pressure valve

A Pressure Valve is a relief valve and controls and maintains a preset, reduced downstream (outlet) pressure by causing the main valve to throttle and sustain the desired reduced pressure regardless of variations in demand and upstream (inlet) water pressure.

Pressure Relief Valves

The throttled position is controlled by an adjustable pilot valve operating in conjunction with an orifice (or needle valve). The pilot valve senses the downstream (outlet) pressure and reacts immediately to reposition its piston as the outlet pressure tends to increase or decrease with varying demand.

The change in throttled position of the pilot valve piston causes a change in flow of control water which in turn changes the pressure above the diaphragm of the main valve, thereby causing the diaphragm assembly of the main valve to reposition and throttle to maintain the desired, preset reduced outlet pressure.

Click on a link below for pressure valve applications and specifications and to enter a RFQ.

C101 / CF101
C101 / CF101
PRESSURE REDUCING VALVE
Size(s): 1 1/2 to 36 in. (40 to 900 mm)
C101B / CF101B
C101B / CF101B
Pressure Reducing with Low Flow Bypass
Size(s): 1 1/2 to 20 in.
C103 / CF103
C103 / CF103
Pressure Reducing & Check
Size(s): 1 1/2 to 12 in. (40 to 300 mm)
C104 / CF104
C104 / CF104
Pressure Reducing, Back Pressure
Size(s): 1 1/2 to 12 in. (40 to 300 mm)
C105 / C106
C105 / C106
Pressure Reducing with Solenoid Over-ride
Size(s): 1 1/2 to 12 in. (40 to 300 mm)
C150E / C150ET
C150E / C150ET
Pressure Reducing Valve
Size(s): 1/2 to 2 in. (15 to 50 mm)
C150EHF
C150EHF
Pressure Reducing Valve
Size(s): 1 1/4 in. (25 mm)
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