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Cast steel gate valve
Cast steel gate valve
Typical Drawing of Cast steel gate valve
Parts and Material List
Parts No. Parts Name Materials
WCB/Trim1 WCB/Trim5 WCB/Trim8 CF8/304 CF8M/316
1 Body ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
2 Gasket Soft iron+Graphite or 304+Graphite 304+Graphite 316+Graphite
3 Seat ring A105+13Cr A105+STL A105+STL ASTM A351 CF8 ASTM A351 CF8M
4 Gate ASTM A216 WCB+13Cr ASTM A216WCB+STL ASTM A216 WCB+13Cr ASTM A351 CF8 ASTM A351 CF8M
5 Stem ASTM A182 F6a ASTM A182 F304 AST A182 F316
6 Backseat bushing ASTM A182 F6a ASTM A351 CF8 ASTM A351 CF8M
7 Packing Graphite Graphite Graphite
8 Gland ASTM A182 F6a ASTM A182 F304 ASTM A182 F316
9 Gland eyebolt ASTM A193 B7 ASTM A193 B8 ASTM A193 B8M
10 Eyebolt nut ASTM A194 2H ASTM A193 8 ASTM A194 8M
11 Eyebolt pin ASTM A36 304SS 316ss
12 Gland flange ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
13 Bonnet bolt AST A193 B7 ASTM A193 B8 ASTM A193 B8M
14 Bonnet nut ASTM A194 2H ASTM A194 8 ASTM A194 8M
15 Bonnet ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
16 Nipple Carbon steel Carbon steel Carbon steel
17 Stem nut ASTM A439 D2 ASTM A439 D2 ASTM A439 D2
18 Yoke sleeve nut Carbon steel Carbon steel Carbon steel
19 Hand wheel Ductile iron Ductile iron Ductile iron
20 Hand wheelnut Carbon steel Carbon steel Carbon steel
21 Set screw ASTM A193 B7 ASTM A193 B7 ASTM A193 B7
NOTE: The chart above only lists out some common composition of steel check valve parts. We may provide other different parts material composition according to the customer’s request or the actual valve working condition.
Structure dimensions
CLASS/SIZE 150 -L 300 -L 600 -L
RF BW RF/BW RTJ RF/BW RTJ
2 178 216 216 232 292 295
2 1/2 191 241 241 257 330 333
3 203 283 283 298 356 359
4 229 305 305 321 432 435
5 254 381 381 397 508 511
6 267 403 403 419 559 562
8 292 419 419 435 660 664
10 330 457 457 473 787 791
12 356 502 502 518 838 841
14 381 572 762 778 889 892
16 406 610 838 854 991 994
18 432 660 914 930 1092 1095
20 457 711 991 1010 1194 1200
24 508 813 1143 1165 1397 1407
26 559 864 1245 1270 　 　
28 610 914 1346 1372 　 　
30 610 914 1397 1422 　 　
32 711 965 1524 1553 　 　
34 762 1016 1626 1654 　 　
36 711 1016 1727 1756 　 　
CLASS/SIZE 900－L 300 -L 600 -L
RF/BW RTJ RF/BW RTJ RF/BW RTJ
2 368 371 368 371 451 454
2 1/2 419 422 419 422 508 514
3 381 384 470 473 578 584
4 457 460 546 549 673 683
5 559 562 673 676 794 807
6 610 613 705 711 914 927
8 737 740 832 841 1022 1038
10 838 841 991 1000 1270 1292
12 965 968 1130 1146 　 　
14 1029 1038 1257 1276 　 　
16 1130 1140 1384 1407 　 　
More dimensions and sizes are available upon request. 　 　
 
SUNGO VALVE produce Cast steel gate valve,our company is a specialized supplier and manufacturer of Cast steel gate valve in china.Our Cast steel gate valve in the worldwide and enjoy good fame,If you are interested in any of Cast steel gate valve or your customers require to fill, please contact us right now! We will provide you with high-quality Cast steel gate valve and services,E-mail:sales@valvesungo.com  Contact Person: Grant Xu

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