Cast Iron Check Valve,PN16  
 
Application
1 Face to face is according to DIN3202-F1
2 Flange drilled is according to DIN2532/2533
 
Test
Working pressure PN10 PN16
Shell pressure 15bars 24bars
Seat pressure 11bars 17.6bars
 
Main Parts and Materials
Number Part Name Material 
1 Body GG25
2 Seat Ring Stainless Steel
Brass
3 Disc Ring  Stainless Steel
Brass
4 Disc GG25/Carbon Steel
5 Stem SS AISI 420
6 Spring SS AISI 304
8 Cover Gasket Graphite With Soft Steel
9 Cover GG25
 
Main Dimensions
Norminal diameter
in         mm
L D D1 D2 b n-d H
2" 50 230 165 125 102 20 4-18 102
2 1/2" 658 290 185 145 122 20 4-18 121
3" 80 310 200 160 138 22 8-18 149
4" 100 350 220 180 158 24 8-18 162
5" 125 400 250 210 188 26 8-18 183
6" 150 480 285 240 212 26 8-22 214
8" 200 600 340 295 268 30 12-22 274
10" 250 730 405 355 320 32 12-26 310
12" 300 850 460 410 378 32 12-26 357