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Check Valve

•Size: 2" ~60"

•Pressure Rating: CL150-CL2500.

•Connection end: FF, RF, RTJ, BW.

•Body Material: Body Materials Carbon Steel, Stainless Steel, Alloy steel, Duplex SS etc. Optional materials on request.

•Design Standard: BS1868,AP| 594, API 6D

•Test: AP| 598, ISO 5208

•Flange End: ASME B16.5, ASME B16.47

•Welding End: ASME B16.25

•Face to Face: ASME B16.10

•Sour Service: NACE MR 0175

•Application conditions: The check valve can be used in the pipeline of liquid, gas, steam and various corrosive media, and is suitable for the pipeline system in various industries to prevent the reverse flow of the medium.

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Описание

Cast  Steel  Swing  Check Valve    


Technical Specification
Design and Manufacture:BS1868 or API 6D
Inspection and Test:API 598 or API 6D
End flange dimension:ASME B16.5 、ASME B16.47 A、MSS SP-44;ASME B16.47 B 、API 605
BW end dimension:ASME  B16.25
Face to face and end to end:ASME B16.10
Pressure-temperature   ratings:ASME    B16.34

Wall thickness dimension:API 600 and BS 1868

Form of Major Part Material 

Parts No. Parts Name Materials
WCB/Trim 1 WCB/Trim 5 WCB/Trim 8 CF8/304 CF8M/316
1 Body ASTM A216 WCB ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
2 Seat ring A105+13Cr A105+STL A105+STL ASTM A351 CF8 ASTM A351 CF8M
3 Disc ASTM A216 WCB+13Cr ASTM A216WCB+STL ASTM A216 WCB+13Cr ASTM A351 CF8 ASTM A351 CF8M
4 Arm ASTM A216 WCB ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
5 Nut ASTM  A1942H ASTM  A1942H ASTM  A1942H ASTM  A1948 ASTM  A1948M
6 Arm pin ASTM A182 F6e ASTM A182 F6a ASTM A182 F6a ASTM A182 F304 ASTM A182 F316
7 Yoke ASTM A216 WCB ASTM A216 WCB ASTM A216 WCE ASTM A351 CF8 ASTM A351 CF8M
8 Bonnet nut ASTM  A1942H ASTM  A1942H ASTM A1942H ASTM  A1948 ASTM  A1948M
9 Bonnet bolt ASTM A193 B7 ASTM A193 B7 ASTM A193 B7 ASTM A193 B8 ASTM A193 B8N
10 Bolt ASTM A193 B7 ASTM A193 B7 ASTM A193 B7 ASTM A193 B8 ASTM A193 B8N
11 Gasket 304 sheet+Graphite 304 sheet+Graphite 304 sheet +Graphite 304+Graphite 316+Graphite
12 Bonnet ASTM A216 WCB ASTM A216 WCB ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
13 Eye bol ASTM A18- ASTM A181 ASTM A181 ASTM A181 ASTM A181
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.

Cast Steel Lift Check Valve


Class 150~Class 900 Cast Steel Lift Check Valve

Size Class 150 Class 300
NPS DN Dimensions(mm) Weight

(kg)
Dimensions(mm) Weight

(kg)
L d H L d H
RF RTJ BW RF RTJ BW
1/2 15 108 119 108 13 76 3 152 162 152 13 78 5
3/4 20 117 130 117 19 76 4 178 191 178 19 82 6
1 25 127 140 127 25 98 5 203 216 203 25 102 8
1 1/4 32 140 153 140 32 102 7 216 229 216 32 106 11
1 1/2 40 165 178 165 38 115 8 229 242 229 38 118 13
2 50 203 216 203 51 140 15 267 283 267 51 140 26
2 1/2 65 216 229 216 64 162 22 292 308 292 64 164 33
3 80 241 254 241 76 168 28 318 333 318 76 178 50
4 100 292 305 292 102 194 42 356 371 356 102 195 86
5 125 356 368 356 127 210 60 400 416 400 127 223 120
6 150 406 419 406 152 226 75 445 460 445 152 245 180
8 200 495 508 495 203 250 118 533 549 533 203 280 220
10 250 622 635 622 254 275 194 622 638 622 254 336 310
12 300 699 711 699 305 332 320 711 727 711 305 380 510

Size Class 600 Class 900
NPS DN Dimensions(mm) Weight

(kg)
Dimensions(mm) Weight

(kg)
L d H L d H
RF RTJ BW RF RTJ BW
2 50 292 295 292 51 152 32 368 371 368 50 180 50
21/2 65 330 333 330 64 167 45 419 422 419 64 200 65
3 80 356 359 356 76 178 68 381 384 381 74 235 88
4 100 432 435 432 102 215 98 457 460 457 100 270 140
5 125 508 511 508 125 240 155 559 562 559 125 300 210
6 150 559 562 559 152 279 230 610 613 610 150 350 300
8 200 660 664 660 200 328 300 737 740 737 200 400 390

Forged Steel Globe Valve


Technical Specification

Steel Check Valves,API 602

Steel Valves,ASME B16.34

Face to Face,Manufacturer Standard

Face to Face,Flanged,ASME B16.10

End Flanges,ASME B16.5

Buttwelding  Ends,ASME  B16.25

Socket-welding  Ends,ASME  B16.11
Screwed Ends,ASME B1.20.1

Inspection and Test,API 598
Design Description

Bolted Bonnet Cap

Choice of WB,Welding Bonnet

Lift or Swing Type
Seat Rings Integral with Body of Lift

Horizontal or Vertical Service

Socket Weld Ends

SW,Socket-welding Ends

SC,Screwed  Ends

BW,Buttwelding Ends

Flanged Ends

No. Part Name ASTM Material
Carbon Steel F11 F22 304 Type 316 Type 304L Type 316L Type 20 Alloy
Body A105 A182 F11 A182 F22 A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy
2 Bonnet A105 A182 F11 A182 F22 A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy
3 Disc A182 F6a A182 F11+HF A182 F22+HF A182 F304 A182 F216 A182 F304L A182 F316L 20-Alloy
4 Hinqe A182 F6a A182 F11 A182 F22 A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy
5 Seal A182 F6a A182 F11+HF A182 F22+HF A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy
6 Bonnet Gasket 304+Graphit 304+Graphit 304+Graphit 304+Graphit 316+Graphit 304L+Graphit 316L+Graphit 316+Graphit
7 Bonnet Bolt A193 B7 A193 B7 A193 B16 A193 B8 A193 B8M A193 B8 A193 B8M A193 B8M

Wafer Type Double Disc Swing Check Valve


Technical Specification
Structural formation:Dual-disc swing type check valve
Design  standard:API  594
Face to face:ASME B16.0
Flanged  ends:ASME  B16.5
Test  &inspection:API  598


Parts No Parts Name Materials
1 Body ASTM      A216-WCB、ASTM      A351-CF8、CF8M、CF8C、CF3、CF3M
2 Disc ASTM     A216-WCB、ASTM     A351-CF8、CF8M、CF8C、CF3、CF3M
3 Pivot ASTM A182 Gr.F6a、ASTM A182 F22、ASTM A182-F304、F316、F321、F304L、F316L
4 Spring AISI9260、AISI 6150、ASTM A182-F304、F316、F321、F304L、F316L

Main Size of Outside &Weight

Model:H76H、H76Y

Class DN
(mm
NPS
(in)
Dimensions(mm) Weigh
(kg)
Class DN

mm
NPS
(in)
Dimensions(mm) Weighi
(kg
Class DN
(mm
NPS
(in)
Dimensions(mm) Weigh
(kg)
L D L D L D
150 50 2 60 103 2 300 50 2 60 110 3.5 600 50 2 60 110 3.5
65 21V2 67 122 3.2 65 2 1/2 67 129 5
65 21/2 67 148 5
80 3 73 135 4 80 3 73 148 7
80 3 73 248 7
100 4 73 173 6 100 4 79 92 12
125 5 105 240 22.5
125 5 86 196 9 100 4 73 180 10
150 6 137 265 35
150 6 98 222 12 125 5 86 215 18.5 200 8 165 31C 45
200 8 127 279 22 150 6 98 250 19 250 10 213 399 77
250 10 146 339 38 300 12 229 456 110
200 8 127 307 33
300 12 181 409 54 350 14 273 489 135
400 16 305 562 63
350 14 184 450 80 250 10 146 361 54 900 50 2 70 142 6.5
400 16 191 514 118 300 12 181 422 88 65 2 1/2 83 164 9
450 18 203 549 210 80 3 83 167 14
500 20 219 606 240 350 14 222 485 128 100 4 102 205 24
600 24 222 717 410 400 16 232 539 169 150 6 159 288 43
200 8 206 358 56

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