Steam Equipment

Roboter Actuated Pressure Reducing Valve WC6 150 mm

Globe-type single-seated pressure reducing valve with top and bottom guided plug, single spring and diaphragm roboter (self-contained mechanical) actuator. ASTM A217 Gr. WC6 body, 150 mm, for accurate downstream pressure control at high flow without external instrumentation or electrical signal. Turn-down ratio 20:1; Class 150 to Class 600.

Key Applications

High-Flow Steam ReductionSelf-Contained PRV StationsProcess Gas Let-DownRemote Unmanned PRV
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Technical Specifications

Valve Type Globe type PRV, roboter (mechanical self-contained) actuated
Nominal Size 150 mm
Body Material ASTM A217 Gr. WC6
Pressure Rating Class 150 to Class 600 / BS 10 Table H
Guiding Top and bottom guided plug
Turn-Down Ratio 20:1 pressure
Outlet Pressure Up to 14 kg/cm²
Characteristics Linear / equal percentage / quick opening
Flow Coefficient Cv — Equal Percentage 372.0
Flow Coefficient Cv — Linear 377.0
Flow Coefficient Cv — Quick Opening 369.0
End Connection Flanged RF or butt weld
Standards ASME B16.34 / ANSI B16.5 / ISA S75.01
Face-to-Face Standard ANSI/ISA-75.08.01 (Classes 150, 300, 600); IEC 60534-3-1 equivalent
Manufacturer Supreme Valves India

Material of Construction (MOC)

Component / Part Available Materials
Body / Top & Bottom Bonnet ASTM A217 Gr. WC6
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

Dimensions & Weights

SizeClass 150 (mm)Class 300 (mm)Class 600 (mm)
150 mm451473508

Purchase Options

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Features & Benefits

No External Signal Required

Mechanical roboter actuator maintains downstream set point without air or electricity.

Top and Bottom Guided

Stable plug guidance eliminates side thrust for accurate high-pressure control.

WC6 Body

ASTM A217 Gr. WC6

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  • Valve type: Globe type PRV, roboter (mechanical self-contained) actuated
  • Size: 150 mm
  • Material: ASTM A217 Gr. WC6
  • Pressure class: Class 150 to Class 600 / BS 10 Table H

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