Check Valve

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ANSI Cast Steel Check Valve

ANSI Cast steel swing check valve which its opening &closing part itself opens by the flow force of medium to prevent the medium from flowing reversal,is called check valve.The check valve belongs to automatic valve.is mainly applied on the pipeline with single direction flow and only allows the medium flow at direction,which avoids the occurrence of accident. The check valve is divided into lift check valve,swing check valve and butterfly type check valve by the structure.The lift type check valve is divided into vertical and horizontal.the swing check valve is divided into single-disc,double-disc,The butterfly type check valve is straight type.The above few check valves may be divided into screwed connection,flange connection and welding connection by its connection way.
ANSI cast steel check valve
ANSI cast steel check valve ANSI swing check valve WCB swing check valve cast steel swing check valve API 600 swing check valve Flanged end swing check valve China

ANSI swing check valve main features

  • Bolted cover, swing type disc
  • Threaded or welded seat ring
  • ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,A351 CF3,A351 CF3M,A351 CN7M

Standards compliance

Design and Manufacture: ANSI B16.34,API 6D,BS1868

Face to face(end to end): ANSI B16.10,API 6D

Flanged ends: ASME B16.5,ASME B16.47

Test and inspection: API598,API6D

ANSI swing check valve Materials list

ANSI Cast Steel Check Valve No Part Name Carbon steel l1/4cr-1/2mo Carbon Steel
1 Body A216-WCB A217-WC6 A352-LCB
2 Cover A216-WCB A217-WC6 A352-LCB
3 Disc A105+13Cr A182-F11+HF A350-LF2+CR13
4 Hinge A216-WCB A217-WC6 A352-LCB
5 Fork Part A216-WCB A217-WC6 A352-LCB
6 Seat Ring A105+CR13 A182-F11+HF A350-LF2+CR13
7 Hinge Pin A276-420 A276-304 A276-420
8 Disc Washer Carbon Steel A276-304 Carbon Steel
9 Disc Nut Carbon Steel A194-7 Carbon Steel
10 Disc Nut Pin Carbon Steel A276-420 Carbon Steel
11 Gasket Spiral Wound(Graphite+304)
12 Stud A193-B7 A193-B16 A320-L7
13 Stud Nut A194-2H A194-7 A194-4
14 Eyebolt(2) Carbon steel

Note:

  1. Cast steel disc for NPS 4" and above.
  2. NPS 6" & larger.
  3. Disc and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown.

ANSI swing check valve dimension and weight

ANSI Cast Steel Check Valve

ANSI swing check valve dimension and weight（150lb）

Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
L,L1-RF.BW mm 203 216 241 292 330 356 495 622 699 787 864 978 978 1295
L2-RTJ mm 216 229 254 305 343 368 508 635 717 800 876 991 991 1308
H mm 155 190 200 225 245 260 350 390 410 435 530 570 625 675
WT. Kg 16 25 34 46 75 89 120 220 337 471 575 788 916 1275

ANSI swing check valve dimension and weight（300lb）

Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
L,L1-RF.BW mm 267 292 318 355 400 440 533 622 711 838 863 977 1016 1346
L2-RTJ mm 283 308 333 371 416 460 549 638 727 854 879 994 1036 1368
H mm 180 200 225 240 275 310 370 410 440 500 545 605 675 785
WT. Kg 26 32 53 73 110 157 234 384 450 650 800 970 1350 2210

ANSI swing check valve dimension and weight（600lb）

Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20
L,L1-RF.BW mm 292 330 356 432 508 559 660 787 838 889 991 1092 1194
L2-RTJ mm 295 333 359 435 511 562 664 791 841 892 994 1095 1200
H mm 190 215 250 260 310 350 420 490 525 580 630 690 810
WT. Kg 33 49 62 95 120 195 360 465 725 875 1075 1475 1900

ANSI swing check valve dimension and weight（900lb）

Size inch 2 2-1/2 3 4 5 6 8 10 12 14
L,L1-RF.BW mm 368 419 381 457 559 610 737 838 965 1029
L2-RTJ mm 371 422 384 460 562 613 740 841 968 1038
H mm 195 235 260 275 320 370 435 520 530 580
WT. Kg 55 70 90 135 165 295 525 900 1075 1225

Note:Gear operation suggested. Dimensions on request. Abbreviation: SP-Shot pattern

For more details, please download the catalogue for reference or contact with us.

Wenzhou Topnotch Machine Co.,Ltd is a professional leader China ANSI cast steel check valve,ANSI swing check valve,WCB swing check valve,cast steel swing check valve,API 600 swing check valve,Flanged end swing check valve manufacturer with high quality and low price.Welcome to contact us!

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