Self-Acting Pressure Reducing Valve WCB 100 mm Class 300

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Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 1
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Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 8
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Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 10
Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 11
Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 12
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Self-Acting Pressure Reducing Valve WCB 100 mm Class 300 — factory photo 24
Steam Equipment

Self-Acting Pressure Reducing Valve WCB 100 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial gas pressure reduction. Maintains constant downstream pressure without external power. DN100 (4 inch) flanged or screwed Class 300. 20:1 pressure reduction ratio; Class IV shutoff.

Key Applications

Steam Pressure ReductionPlant Air Header ControlProcess Steam DistributionHeater Supply ControlGas Pressure Reduction
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Technical Specifications

Valve Type Self-Acting Pressure Reducing Valve
Nominal Size DN100 (4 inch)
Pressure Class ASME Class 300
Body Material ASTM A216 Gr. WCB
End Connection Flanged RF per ASME B16.5 / DIN EN 1092-1
Design Standard EN 1567 / ASME B16.34
Sizing Standard Engineering sizing per flow and differential
Testing Standard API 598 / EN 12266
Set Pressure Application specific — factory set and tested
Manufacturer Supreme Valves India

Material of Construction (MOC)

Component / Part Available Materials
Body / Bonnet ASTM A216 Gr. WCB
Trim / Internals SS 304 / SS 316 per service
Spring / Diaphragm SS 302 / SS 316 / Inconel per temperature
Gasket Aramid fibre, non-asbestos or spiral wound SS316/graphite

Purchase Options

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Features & Benefits

WCB Body Construction

Carbon Steel Cast body (ASTM A216 Gr. WCB) selected for steam, air, and industrial gas pressure reduction.

Class 300 Flanged RF

DN100 (4 inch) raised-face flanged end connections for direct pipeline installation.

Export Documentation

Supplied with EN 10204 3.1 MTC, hydrostatic test report, and set-pressure certificate.

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