Applicable standards:

STEEL CHECK VALVES, API6D/BS1868
STEEL CHECK VALVES,ISO 14313
STEEL VALVES,ASME B16.34
FACE TO FACE,ASME B16.10
END FLANGES,ASME B16.5
BUTTWELDING ENDS, ASME B16.25
INSPECTION AND TEST, API 598/API 6D

Design description:

BB, BOLTED BONNET CAP
SWING TYPE, ANTI-ROTATION DISC
RENEWABLE SEAT RINGS
NON-PENETRATE DISC SHAFT
HORIZONTAL OR VERTICAL SERVICE
FLANGED OR BUTTVVELDING ENDS

Materials of Parts

NO Part Name ASTM Material
Carbon Steel 1 ¼Cr – ½Mo Carbon Steel
1 Body A216-WCB A217-WC6 A351-CF8M
2 Bonnet Cap A216-WCB A217-WC6 A351-CF8M
3 Dise A105-HF A182-F11+HF A351-CF8M+HF
4 Hinge A216-WCB A217-WC6 A351-CF8M
5 Seat Ring A105+HF A182-F11+HF A240-316+HF
6 Hinge Pin A276-420 A276-304 A276-316
7 Bonnet Gasket1) Steel Ring 304SS Ring 316SS Ring
8 Adapter Ring Carbon Steel A276-420 A276-316
9 Retainer Carbon Steel A276-420 A276-316
10 Bonnet Clamp Carbon Steel Alloy Steel Stainless Steel
11 Bonnet Stud A193-B7 A193-B7 A193-B8M
12 Bonnet Stut Nut A194-2H A194-2H A196-8M
13 Eyebolt Carbon Steel
Note:
1).Graphite optional.
2).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.

Dimensions Data

NPS

DN

2

50

65

3

80

4

100

6

150

8

200

10

250

12

300

14

350

16

400

18

450

20

500

24

600

26

650

28

700

30

750

In

mm

ANSI Class 900Lb
L1

(BW)

8.50

216

10.00

254

12.00

305

14.00

356

20.00

508

26.00

660

31.00

787

36.00

914

39.00

991

43.00

1092

47.99

1219

52.00

1321

60.98

1549

66.96

1701

71.96

1828

80.00

2031

In

mm

L

RF

14.50

368

16.50

419

15.00

381

18.00 24.00

610

29.00

737

33.00

838

38.00

965

40.5

1029

44.5

1130

47.99

1219

52.00

1321

60.98

1549

66.96

1701

71.96

1828

80.00

2032

In

mm

L2

(RTJ)

14.62

371

16.62

422

15.12

384

18.12

460

24.12

613

39.12

740

33.12

841

38.12

968

40.88

1038

44.88

1140

48.50

1232

52.51

1334

61.73

1568

67.83

1723

72.38

1850

80.86

2054

In

mm

H 9.50

240

9.50

240

10.00

255

13.38

340

15.75

400

18.12

460

21.62

550

24.00

610

27.00

685

29.50

750

33.97

863

36.96

939

41.96

1066

45.00

1143

46.96

1193

50.00

1270

In

mm

(d) 47 57 72 98 146 190 238 282 311 355 400 444 533 - - - mm
WT

(kg)

22

44

34

55

38

61

71

116

176

255

485

630

761

940

1125

1433

1345

1710

1490

1820

2840

2000

3756

2700

6000

4100

6375

5100

7229

5750

8232

6510

RF

BW

 

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