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Self-Acting Pressure Control Valve — Steam and Air
Self-acting pressure control valve for maintaining constant upstream or downstream pressure on steam, air, and inert gas systems without external power. Diaphragm or piston actuated with external sensing line. Used for backpressure control on compressors, steam header pressure stabilisation, and tank blanketing applications.
Key Applications
Technical Specifications
Material Options
Carbon Steel
ASTM A216 WCB, A105, A350 LF2
Stainless Steel
SS304, SS316, SS316L, SS321, SS347
Alloy Steel
ASTM A217 WC6, WC9, C5, C12
Duplex Steel
F51, F53, F55, Super Duplex
Exotic Alloys
Monel, Hastelloy, Inconel, Titanium
Bronze & Brass
Gunmetal, Aluminum Bronze, Naval Brass
Purchase Options
Features & Benefits
No External Power
Self-contained spring and diaphragm actuation for remote or hazardous locations.
External Sensing Line
Remote pressure tap eliminates outlet turbulence effects on control accuracy.
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- Valve type: Self-acting pressure control valve
- Size: 15 mm to 100 mm
- Pressure class: Class 150 / Class 300
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