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ASTECH VALVE CO.,LTD.
Single Door Wafer Type Check Valve





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Item Number.:
Product Name:
Single Door Wafer Type Check Valve
Description:
Our company specializes in manufacturing professional Wafer Check Valve and Spring Check Valve.
Features:
Parts No. Parts Name Material
WCB CF8 CF8M
1 Body A216 WCB A351 CF8 A351 CF8M
2 Disc A216 WCB / A351 CF8 / A351 CF8M
3 Body Seal NBR / EPDM / VITON / PTFE
4 Seat NBR / EPDM / VITON / PTFE / METAL / A.S. Overlay
5 Fix Bush SS316
6 Socket Head Cap Screw SS316
7 O-Bolt A105 SS304
Note: The chart above only lists out some common composition of steel single door wafer check valve parts. We may provide other different parts material composition according to the customer's request or the actual valve working condition.

Seat Material Medium Max. W,P. (Mpa) Max. Temperature Range ( °C )
NBR W.O.G 1.2 -10 °C to 90 °C
EPDM W.O.G 1.2 -20 °C to 120 °C
VITON W.O.G 1.2 -30 °C to 160 °C
PTFE W.O.G 1.2 -30 °C to 200 °C
Metal W.O.G & Others 1.5 Same as Body
Metal with Overlay W.O.G & Others 1.5 Same as Body

NPS L ∮d ∮D NPS L ∮d ∮D
inch mm 10K 150 LB inch mm 10K 150 LB
1/2" 15A 14 8 55 47 6" 150A 20 113 220 220
3/4" 20A 14 9 60 56 8" 200A 27 142 270 278
1" 25A 14 12 70 66 10" 250A 29 190 325 340
1-1/4" 32A 14 16 80 76 12" 300A 35 211 370 409
1-1/2" 40A 14 21 85 85 14" 350A 38 260 415 448
2" 50A 14 30 104 104 16" 400A 45 306 475 510
2-1/2" 65A 14 43 124 124 18" 450A 55 358 530 548
3" 80A 14 50 134 134 20" 500A 65 408 580 605
4" 100A 18 72 155 174 22" 550A 70 450 640 657
5" 125A 18 93 190 190 24" 600A 70 485 690 715
 
 
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