Cast Steel Swing Check Valve (Bolted Bonnet Type)

Cast steel swing check valves are full port to API 6D or conventional port to BS 1868 or API 594 Type B, with a standard bolted bonnet or pressure seal for high pressure and large sizes, flanged ends or welded ends.

Design Features:

  • Bolted bonnet (cover)
  • Swing check disc

Options:

  • Piston check disc
  • Pressure seal cover
  • With counterweight or damper/Lever & Weight
  • Bypass

Size & Pressure Rating

  • 2" - 48"
  • Class 150 - Class 2500

Material

  • Body: Carbon steel, low temperature carbon steel, alloy steel, stainless steel, Al bronze
  • Trim: All in API 600 trim chart, such as no. 1, 10, 5, 8, 12, etc.

Standards

Design: 

  • BS 1868/API 6D/API 594 Type B

Dimensions: 

  • Face to face/end to end: API 6D
  • End flange: ASME B16.5/16.47
  • BW Ends: ASME B16.25

Test: 

  • API 598

 

Cast Steel Swing Check Valve Drawing 

 

Cast Steel Swing Check Valve Drawing
(Full Port, Bolted Cover) 

cast steel swing check valve drawings, full port, bolted cover

Typical Material
(A216 WCB Body, 13Cr Trim) 

1 Body A216 WCB
2 Seat Ring A105+STL
3 Disc A216 WCB+13Cr
4 Hinge A216 WCB
5 Disc Washer Stainless Steel
6 Disc Nut A194 B8M
7 Hinge Pin A276 316
8 Gasket SS304+Graphite
9 Cover A216 WCB
10 Nut A194 2HM
11 Bolt A193 B7M
12 Hook Screw Carbon Steel
13 Gasket Copper Alloy
14 Drain Plug Carbon Steel

 

Cast Steel Swing Check Valve 
Dimension & Weight

 

Class 150 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 24"
DN 50 80 100 150 200 250 300 350 400 450 500 600
L (RF, BW) 267 318 356 445 533 622 711 838 864 978 1016 1346
L (RTJ) 283 333 371 460 549 638 727 854 879 994 1035 1368
Weight 21 39 69 125 210 307 450 680 840 1025 1320 1960

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.

 

Class 300 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 24"
DN 50 80 100 150 200 250 300 350 400 450 500 600
L (RF, BW) 267 318 356 445 533 622 711 838 864 978 1016 1346
L (RTJ) 283 333 371 460 549 638 727 854 879 994 1035 1368
H 175 198 235 282 335 385 460 520 554 600 670 750
Weight 21 39 69 125 210 307 450 680 840 1025 1320 1960

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.

 

Class 600 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 24"
DN 50 80 100 150 200 250 300 350 400 450 500 600
L (RF, BW) 292 356 432 559 660 787 838 889 991 1092 1194 1397
L (RTJ) 295 359 435 562 663 790 841 892 994 1095 1200 1407
Weight 36 70 122 269 465 673 875 944 1220 1620 2120 3100

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.

 

Class 900 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12"
DN 50 80 100 150 200 250 300
L (RF, BW) 368 381 457 610 737 838 965
L (RTJ) 371 384 460 613 740 841 968
Weight 70 91 150 305 510 810 1120

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.

 

Class 1500 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12"
DN 50 80 100 150 200 250 300
L (RF, BW) 368 470 546 705 832 991 1130
L (RTJ) 371 473 549 711 841 1000 1146
Weight 70 150 245 550 1010 1550 2280

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.

 

Class 2500 Cast Steel Swing Check Valve 

Size Inch 2" 3" 4" 6" 8" 10" 12"
DN 50 80 100 150 200 250 300
L (RF, BW) 451 578 673 914 1022 1270 1422
L (RTJ) 454 584 683 927 1038 1292 1445
Weight 145 330 650 1400 2420 3750 5500

Note:

  1. The weight is for flanged swing check valves, weight in Kg.
  2. The face to face/end to end dimensions are as API 6D, dimensions in mm.
  3.  

Hot Sales 

high pressure swing check valve

High pressure swing check valve
(Carbon steel, A216 WCB, Class 2500, BS 1868)

full flow swing check valve

Full flow swing check valve
(6 inch, Class 900, Stainless steel, API 6D)

Leave Us Your Info

Could you please kindly fulfill the following information when enquiring:

Valve type (ball, gate, globe, check etc.), valve size, pressure class, valve material, and end connection (flanged, butt welding etc.)