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BS4090 BS5153 CAST IRON CHECK VALVE
Application
The valve may be used on steam or water pipeline which
is horizontal or vertical at its working temperature up
to 200C and nominal pressure not exceeding 10 bar,which
can prevent adverse current.

BS5153
Nominal diameter(mm) 2" 2.5" 3" 4" 5" 6" 8" 10" 12"
A 203 216 241 292 330 356 495 622 699
H 140 148 161 191 203 238 265 283 333
D 165 185 200 220 250 285 340 405 460
Weight(kg) 16 18 24 40 64 66 108 138 180

BS4090
Nominal diameter(mm) 2" 2.5" 3" 4" 5" 6" 8"
A 203 216 241 292 330 356 495
H 140 148 161 191 203 238 265
D 152 165 184 216 254 279 337
Weight(kg) 15.4 17 22.5 37.7 62 63 103.5
The flanges conform to BS4504
 
CLASS 125 CAST IRON SWING CHECK VALVES
.Bolted Bonnet
.Design Manufacture Test in accordance with MSS.SP-71
.Flange dimensions:ANSI B16.1
.Face to Face dimensions:ANSI B16.10
MATERIALS
PART NAME MATERIAL SPECS.
BODY BONNET GRAY CAST IRON ASTM A126B
SEAT RING CAST BRONZE ASTM B62
DISC GRAY CAST IRON+CAST BRONZE ASTM A126B+ASTM B62
GASKET GRAPHITE WITH SOFT STEEL --
BOLT/NUT CARBON STEEL ASTM A307-B
HANGER PIN STAINLESS STEEL ASTM A276 410

 

DIMENSIONS                                                             mm
SIZE DN L D D1 b Z-Ød H WT.(kg)
2" 203 152 121 16 4-19 153 13.5
2½" 216 178 140 18 4-19 161 19.5
3" 241 191 152 19 4-19 175 25
4" 292 229 191 24 8-19 219 39
5" 330 254 216 24 8-22 225 59
6" 356 279 241 25.4 8-22 256 70
8" 495 343 298 29 8-22 298 127
10" 622 406 362 30.2 12-25 376 185
12" 699 483 432 32 12-25 410 270
14" 787 533 476 35 12-29 444 377
16" 914 597 540 36.5 16-29 501 522
18" 914 635 578 39.7 16-32 437 785
20" 1016 699 635 42.9 20-32 489 1180
24" 1219 813 749 47.6 20-35 657 1600