Check Valves

Swing Check Valve SS304 200 mm Class 300

Supreme Valves India — Flanged swing check valve (non-return valve) in SS304 for corrosive water and food-grade lines. DN200 (8 inch) Class 300 RF. API 594 / BS 1868. Renewable seat, low pressure drop, API 598 tested.

Key Applications

Pump Discharge NRVSteam Line Backflow PreventionBoiler Feed CheckCompressor OutletPipeline NRV
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Technical Specifications

Valve Type Swing Check Valve
Nominal Size DN200 (8 inch)
Pressure Class ASME Class 300
Body Material ASTM A351 Gr. CF8
Trim SS 304 stem and seat
End Connection Flanged RF per ASME B16.5
Design Standard API 594 / BS 1868
Testing API 598 hydrostatic and seat test
Documentation EN 10204 3.1 MTC, test report
Manufacturer Supreme Valves India

Material of Construction (MOC)

Component / Part Available Materials
Body / Bonnet ASTM A351 Gr. CF8
Trim SS 304 stem and seat
Gasket Spiral wound SS316/graphite or CAF
Studs / Nuts ASTM A193 B7 / A194 2H (B8 for SS body)

Purchase Options

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Features & Benefits

SS304 Body

Stainless Steel 304 (ASTM A351 Gr. CF8) for corrosive water and food-grade lines.

Class 300 RF Flanged

DN200 (8 inch) raised-face flanged ends per ASME B16.5.

Export Ready

Supplied with MTC 3.1 and API 598 test certificate for export orders.

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