ANSI Class 125/150 DIN BS PN16 Wafer type double door check valve

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ANSI Class 125/150   DIN  BS PN16 Wafer type  double door check valve 


Parameter of the products
Design pressure ANSI class 150 DIN PN10/16 
Application for Water,oil &gas
Shell Test 1.5times
Seal Test 1.1times




1 Face to face   EN558-1
2 Flange drilled   ANSI/DIN/BS



Part Material ASTM 
Body Cast iron A126  Class B
Ductile iron A536
Disc Cast iron A126 
Ductile iron A536
SS304 A351 CF8
SS316 A351 CF8M
Stem SS420 2Cr13
Seat EPDM  
NBR   




Dimensions      L:face to face 
DN mm 50 65 80 100 125 150 200 250 300
inch 2 2 1/2 3 4 5 6 8 10 12
L 43 46 64 64 70 76 89 114 114
PCD PN16 107 127 142 162 192 218 273 328 382
PCD class150 103 120 133 171 192 218 276 336 406



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