Self-Acting Pressure Control Valve — Steam and Air

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Control Valves

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

Compressor Backpressure ControlSteam Header StabilisationTank BlanketingGas Header Pressure Control
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Technical Specifications

Valve Type Self-acting pressure control valve
Control Mode Downstream or upstream pressure control
Size Range 15 mm to 100 mm
Pressure Rating Class 150 / Class 300
Accuracy ±3% of set point
End Connection Flanged or screwed
Manufacturer Supreme Valves India

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

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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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