CHECK VALVES IS:778 Standard    |    API Standard    |    Lift Type    |    Non-Slam    |    Wafer Type Swing WAFER TYPE SWING - BS 1868 CAT NO. : PVT / WCV / 009 S. NO. PARTS MATERIAL OF CONSTRUCTION WCB SS304 CF SS316 1 Body ASTM - 216 Gr. WCB ASTM - 351 Gr. CF8 ASTM - 351 Gr. CF8m 2 Disc SS316 SS316 SS316 3 Spring SS304 SS304 SS304 4 Gauid SS304 SS304 SS316 5 Seat TEFLON INTEGRAL Pressure / Temp. Rating for metal seat valve Rating CLASS 150 max. service pressure (psi) 230 200 185 inline temp. 120°C 200°C 250°C min. temp. -10°C to -200°C D I M E N S I O N S (in mm) Sizes -> 15 20 25 40 50 65 80 100 125 150 200 A 60 69.5 80.5 101 115 142 154 184 184 209 264 B 15 20 25 40 50 65 80 100 125 150 200 C 38 47 55 76 93 109 128 148 184 209 264 D 17 20 23 32 40 46 50 60 90 106 140 Weights Kgs. .11 .17 .28 .64 1.11 1.64 2.21 3.31 7.7 11 22 D E T A I L S Description Sandwhich design Non slam check valve, spring loaded, full flow area (max 5% pressure loop.) MOC (body) CS / SS304 / SS316 MOC (parts) SS316 / SS304 Tested to API 598 CLass IV (zero leak) End Conn. Suitable for ASA / BS / DIN / IS. flanges Rating Class 150 / ND16 On request Soft seat - Class 300# Suitable for water, oil, gas, steam, acid   CI = Cast Iron  CS = Cast Steel  MS = Mild Steel  SS = Stainless Steel(304/316)  GM = Gun metal(copper alloy)
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