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KSB Pressure Seal Swing Check Alloy Steel Class 900/1500/2500

WC6/WC9/C12A for HP/HT backflow prevention up to 650°C. NPS 2–24. IBR.

Alloy Steel WC6/WC9/C12AClass 900, 1500, 2500NPS 2–24IBR

Specifications

ParameterSpecification
SeriesSICCA 900-3600 SCC
Body MaterialA217 WC6/WC9/C12A
Pressure ClassClass 900, 1500, 2500
Size RangeNPS 2–24
Max Temperature650°C (C12A)
Max Pressure431 bar
Design StandardASME B16.34
End ConnectionsButt Weld
ConstructionPressure seal cover
Trim / SealingStellite 6
✓ IBR✓ ASME B16.34

Material & Applications

Why Alloy Steel WC6/WC9/C12A: WC6 to 593°C, WC9 to 593°C better creep, C12A to 650°C for advanced power cycles.

Typical applications: Power plant BFP discharge, main steam NRV, hot reheat, supercritical boiler feed.

Pressure/Temperature Ratings

RatingPressure at Temperature
WC6 1500259 bar @ 38°C209 bar @ 316°C175 bar @ 427°C33 bar @ 593°C
C12A 2500431 bar @ 38°C348 bar @ 316°C209 bar @ 538°C83 bar @ 650°C

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Service Area

Pune, Ahmednagar & Beed.

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