Control Valves

Pneumatic / Motorized Pressure Reducing Valve WC9 25 mm

Pneumatic or electric motor actuated globe-type pressure reducing control valve, top and bottom guided, ASTM A217 Gr. WC9 body, 25 mm. For accurate downstream high-pressure control with high flow on steam, air, gas, and liquid. Cage-guided option for high differential pressure. Tight shut-off capability.

Key Applications

High-Pressure Steam PRV ControlDownstream Pressure Control LoopGas Distribution PRVProcess Fluid Let-Down
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Technical Specifications

Valve Type Globe PRV, pneumatic diaphragm or electric motor actuated
Nominal Size 25 mm
Body Material ASTM A217 Gr. WC9
Size Range 25 mm to 150 mm
Pressure Rating Class 150 to Class 600
Actuation Pneumatic spring-diaphragm or multi-turn electric motor
Characteristics Linear / equal percentage / quick opening
Flow Coefficient Cv — Equal Percentage 13.9
Flow Coefficient Cv — Linear 16.8
Flow Coefficient Cv — Quick Opening 16.3
End Connection Flanged RF or butt weld
Manufacturer Supreme Valves India

Material of Construction (MOC)

Component / Part Available Materials
Body / Top & Bottom Bonnet ASTM A217 Gr. WC9
Seat Ring / Plug / Skirt SS 304 / SS 316
Stem / Guide Bush SS 304 / SS 316 / SS 410
Actuator Diaphragm Buna-N with nylon reinforcement
Actuator Spring Carbon steel / SS 302
Gasket / Gland Packing Aramid fibre, non-asbestos / Grafoil ring
Fasteners ASTM A193 Gr. B7 / A194 Gr. 2H

Purchase Options

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Features & Benefits

Pneumatic or Electric Actuation

Positioner-ready for DCS integration or standalone motorized control.

High-Pressure PRV Control

Accurate downstream control at high flow and high differential.

WC9 Body

ASTM A217 Gr. WC9

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  • Valve type: Globe PRV, pneumatic diaphragm or electric motor actuated
  • Size: 25 mm
  • Material: ASTM A217 Gr. WC9
  • Pressure class: Class 150 to Class 600

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