Cast Iron Silent Check Valve  
 
Appilcation
1 Face to face is according to ISO standard
2 Flange drilled is according to ANSI/BS/DIN/JIS etc.
 
Main Parts Material
1 Body Cast iron or ductile iron
2 Seat NBR
3 Disc Seat Ring Cast iron or ductile iron
4 Disc  Stainless steel
5 Spring Stainless steel
 
Test
Working Presssure PN10/PN16 125PSI/150PSI
Shell Pressure 15bars24bars 200PSI
Seat pressure 11bars/17.6bars 300PSI
 
Main Dimensions
DN 50 65 80 100 125 150 200 250 300
H 120 120 140 170 200 220 288 344 385
D(PN10) 165 185 200 220 250 285 340 395 445
D(PN16) 165 185 200 220 250 285 340 405 460
D(PN25) 165 185 200 235 270 300 360 425 485
D1(PN10) 125 145 160 180 210 240 295 350 400
D1(PN16) 125 145 160 180 210 240 295 350 410
D1(PN25) 125 145 160 190 220 250 310 370 430