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Swing Check Valve 10K/125LB/PN16(1-1/2" ~ 12")
B.C. Swing Check Valve

Cast Iron / Ductile Iron - ANSI 125 / 150 LB , JIS 10K

B.C. Swing Check Valve

We provide Cast Iron Valve, Gate Valve and Y Strainer with high quality and competitive price.



● B.B. OS&Y Structur
● Flanged End: RF for 125&150LB, FF for 10K.
● End flange dimension : ASME B16.1 for Cast Iron
● End flange dimension : ASME B16.42 for Ductile Iron
● End flange dimension : JIS B2239
● Face to Face: ANSI B16.10, JIS B2002
● Inspection and Test : API 598,ASME B16.1,B16.42,JIS B2003
Parts and Material List
No. Part Name Material
1 Body A126 CLS.B A536 60-40-18
2 Cover A126 CLS.B A536 60-40-18
3 Disc A126 CLS.B A536 60-40-18
4 Hanger A47 Gr.32510
5 Body Seat Ring B62 / SS304
6 Disc Seat Ring B62 / SS304
7 Hanger Pin A276-410
8 Plug A36
9 Washer A36
10 Split Pin A36
11 Stud Bolt S25C
12 Nut S25C
13 Cover Bolt S25C
14 Cover Nut S25C
15 Gasket Non Asbestos
16 Plug Gasket Non Asbestos

Hydraulic Test
Shell Material Class Size Rating Liquid Shell Test Liquid Seat Test
psi ( kg/cm2 ) psi ( kg/cm2 )
Cast Iron 125 LB 1-1/2"~12" 350 (26.0) 200 (14.0)
Cast Iron 125 LB 14"~24" 265 (19.0) 150 (11.0)
Ductile Iron 150 LB 1-1/2"~24" 400 (27.0) 250 (17.0)
Cast Iron 10 K 1-1/2"~24" (21.0) (16.0)
Ductile Iron 10 K 1-1/2"~24" (21.0) (16.0)

NPS L ∮D ∮D1 n - ∮d H
mm inch 125/150LB 10K 125/150LB 10K 125/150LB 10K 125/150LB 10K
50 2 178 180 152 155 120.7 120 4-18 4-19 108
65 2-1/2 190 190 178 175 139.7 140 4-18 4-19 124
80 3 200 200 190.5 185 152.4 150 8-18 8-19 137
100 4 228 230 229 210 190.5 175 8-18 8-19 159
125 5 250 250 254 250 215.9 210 8-21 8-23 183
150 6 267 270 279 280 241.3 240 8-21 8-23 203
200 8 292 290 343 330 298.5 290 8-21 12-23 246
250 10 330 330 406 400 362 355 12-24 12-25 283
300 12 356 350 483 445 431.8 400 16-24 12-25 333
350 14 381 381 533 490 476.3 445 12-28 16-25 498
400 16 406 406 597 560 539.8 510 16-28 16-25 538
450 18 432 432 635 620 577.9 565 16-32 16-27 615
500 20 457 457 698 675 635 620 20-32 20-27 696
600 24 508 508 813 795 749.3 730 20-35 24-33 762
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