Cast Steel Swing Check Valve
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Design Pr. & Temp Rating Face to Face & End to End Dimensions Flange Ends Butt Weld Ends Testing & Inspection : : : : : : ASME B16.34 / BS 1868 ANSI B16.34 ANSI B16.10 (upto 24") ASME B16.5 ASME B16.25 API 598 / EN 12266 PART 1 (BS 6755 PART 1) API TRIM NO. & SEAT HARDFACING API 602 Trim No. Nominal Trim Material Type Body Seating Surface Wedge Seating Surface Back Seat 1 F6 13% Cr Steel 13% Cr 4 Hard F6 Hardfaced with 13% Cr Steel Hardfaced with 13% Cr 5 Hardfaced Hardfaced with Co-Cr-W Alloy Hardfaced with Stellite 6 8 F6 & Hardfaced 13% Cr Steel & Hardfaced with Co-Cr-W Alloy Stellite 6 13% Cr Stellite 6 / 13% Cr Recommended Body/Bonnet & Trim Material For High Temperature Services (Water/Steam) Temperature Body / Bonnet Materials API Trim No. Up to 800 0F (427 0C) A 216Gr. WCB, A 217 Gr. WC6, A 217 Gr. WC9 1, 4, 5, 8 Above 800 0F (427 0C) & Up to 1000 0F (540 0C) A 217 Gr. WC6, A 217 Gr. WC9 5 & 8 Above 1000 0F (540 0C) A 217 Gr. WC6, A 217 Gr. WC9 5
Check Valve
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