Safety Valves

Pilot Operated Safety Relief Valve WC6 50 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in WC6 for high-temperature hydrocarbon and steam service. Near-bubble-tight shutoff to 95% of set pressure with modulating relief action. DN50 (2 inch) flanged Class 300 RF. Sized per API 520; design and test per API 526 and API 527.

Key Applications

Natural Gas CompressionLPG StorageHigh Pressure SteamRefinery OverpressureCritical Process Fluids
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Technical Specifications

Valve Type Pilot Operated Safety Relief Valve
Nominal Size DN50 (2 inch)
Pressure Class ASME Class 300
Body Material ASTM A217 Gr. WC6
End Connection Flanged RF per ASME B16.5 / DIN EN 1092-1
Design Standard API 526
Sizing Standard API 520
Testing Standard API 527
Set Pressure Application specific — factory set and tested
Manufacturer Supreme Valves India

Material of Construction (MOC)

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

WC6 Body Construction

Alloy Steel 1.25Cr-0.5Mo body (ASTM A217 Gr. WC6) selected for high-temperature hydrocarbon and steam service.

Class 300 Flanged RF

DN50 (2 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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