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Product Name : API check valve
Product sort : Check valves series
Product hits : 905
Product time : 2009-3-9 10:29:27
 
 

Production enforce standard

Type

Desing And Manutacture 

Face to face End to end

Flange Dimension 

Pressure Temperature Lating

Inspection and test 

Swing check valve

ANSI B16.34

ANSI B16.10

ANSI B16.15

ANSI B16.34

API 598

Lift check valve 

BSI 868

Chife property and specification

Nominal Pressure 

150

300

600

900

Shell test

MPa

3.1

7.8

1513

23.1

Lbf/in2

450

1125

2225

3350

Water seal test 

MPa

2.2

5.6

11.2

16.8

Lbf/in2

315

815

1630

2440

Air seal tst

MPa

0.5～0.7

Lbf/in2

60～100

Material for main parts

Body Cover Disk hingeside way bush 

Hinge pin 

Sealing shim

Sealing Face

Working temperature

Suitable medium 

WCB

2Cr13

Enhanced flexible graphite 
1Cr13/Flexible Graphite
S.S/Acie-proof asbestos Tooth profile gasket

13Cr
STL
With bodymater rial
PTFE
Nylon

≤425

Water Steam Oil Nitric acid Acetic acid Urea 

WC1

≤450

WC6

≤540

WC9

≤570

C5 C12

≤550

CF8

304

≤600

CF3

316

CF8M

304L

CF3M

316L

Main external and connection dimension               Unit：mm

NPS DN Class150Lb/300Lb/600Lb WT
in mm L D D1 D2 b Z-φd H
2″ 50 203 157 120.7 92 19.50 4-19 161 17
21/2″ 65 216 178 139.7 105 22.5 4-19 180 23
3″ 80 241 190.5 152.4 127 24 4-19 190 33
4″ 100 292 229 190.50 157.2 24 8-19 220 44
6″ 150 356 279 241.5 216 25.5 8-22.5 257 78
8″ 200 495 343 298.5 270 29 8-22.5 292 137
10″ 250 622 406 362 324 30.5 12-25 350 207
12″ 300 698 483 432 381 32 12-25 398 279
14″ 350 787 533 47618 413 35 12-29 445 387
16″ 400 864 597 539.8 470 37 16-29 490 446
18″ 450 978 635 577.8 533 40 16-32 520 621
20″ 500 978 698 635 584 43 20-32 546 770
24″ 600 1295 813 749.3 692 48 20-35 880 970
2″ 50 267 165 127 92 22.5 8-19 179.5 20
21/2″ 65 292 190 150 105 25 8-22 190 24
3″ 80 318 210 168 127 29.0 8-22.5 212.4 40
4″ 100 356 254 200 157 32.0 12-22.5 246 51
6″ 150 445 317.5 269.7 216 37.0 12-22.5 292 90
8″ 200 533 381 330 270 41.5 12-25.5 328 175
10″ 250 622 444.5 387 324 48.0 16-28.5 378.6 210
12″ 300 71l 521 451 381 51.0 16-32 420 286
14″ 350 838 584 514 54 54 20-32 470 400
16″ 400 864 648 572 57 57 20-35 530 550
18″ 450 978 711 629 60 60 24-35 584 700
20″ 500 1016 775 686 64 64 24-35 610 860
24″ 600 1346 914 813 70 70 24-41 860 1931
2″ 50 292 165 127 92 25 8-19 203 34
21/2″ 65 330 190 150 105 29 8-22 229 45
3″ 80 356 210 168 127 32 8-22 235 63
4″ 100 432 273 216 157 38 8-25 286 114
6″ 150 559 356 292 216 48 8-29 330 207
8″ 200 660 419 349 270 56 12-29 381 387
10″ 250 787 508 432 324 64 12-32 457 580
12″ 300 838 559 489 381 67 16-35 584 778
14″ 350 889 603 527 413 70 20-38 635 9869
16″ 400 991 686 603 470 76 20-41 684 1380

 
 
 
Product Category
 
 
Gate valves series
Globe valves series
Check valves series
Ball valves series
Butterfly valves series
Plug valves series
ANSI Flange
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