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Wafer Piston Lift Check Valve

wafer piston lift check valve
Wafer Lift Check Valve










Size：2~40"(DN50~DN1000)
Rating：150~2500LB (PN16~PN420)
Body Materials：Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
End Connection： Wafer

Design & Manufacturing Standard：BS1868，ASME B16.34
Structure Length Size：ASME B16.10，EN558
Flange Connection Size：ASME B16.5，EN1092
Check & Experiment：API 598，BS 6755，EN12266
Materials for main parts
Part WCB A352 LCB A217 WC6 A217 WC9 A217 C5 A217 C12 A351 CF8 A351 CF8M
Body A216 WCB A352 LCB A217 WC6 A217 WC9 A217 C5 A217 C12 A351 CF8 A351 CF8M
Disc A351 CF8 A351 CF8 A182 F11 A182 F22 A217 C5 A217 C12 A182 F304 A182 F316
Stem A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F316
Spring Stainless Steel/Inconel X750
Main Dimensions Wafer Dual Plate Check Valve
Size D D1 D2 L R t Weight(Kg)
mm inch
50 2 107 65 43.3 43 28.8 19 1.5
65 2 1/2 127 80 60.2 46 36.1 20 2.4
80 3 142 94 66.4 64 43.4 28 3.6
100 4 162 117 90.8 64 52.8 27 5.7
125 5 192 145 116.9 70 65.7 30 7.3
150 6 213 170 144.6 76 78.6 31 9
200 8 273 224 198.2 89 104.4 33 17
250 10 323 265 233.7 114 127 50 26
300 12 378 310 283.9 114 148.3 43 42
350 14 438 360 332.9 127 172.4 46 55
400 16 439 410 381 140 197.4 52 75
450 18 555 450 419.9 152 217.8 58 101~ 107
500 20 594 505 467.8 152 241 58 111
600 24 690 624 572.6 178 295.4 73 172
700 28 800 720 680 29 354 98 219
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