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

2 ½

65

3

80

4

100

6

150

8

200

10

250

12

300

In

mm

ANSI Class 2500Lb
L1

(BW)

11.0

279

13.00

330

14.50

368

18.00

457

24.00

610

30.00

762

36.00

914

41.00

1041

In

mm

L

(RF)

17.75

451

20.00

508

22.75

578

26.50

673

36.00

914

40.25

1022

50

1270

56

1422

In

mm

L2

(RTJ)

17.88

454

20.50

514

23.00

584

26.88

683

36.50

927

40.88

1038

50.88

1292

56.88

1445

In

mm

H 10.25

260

10.25

260

13.75

350

16.12

410

18.88

480

22.38

570

25.25

640

32.00

815

In

mm

WT

(kg)

55

93

78

130

95

170

182

315

300

618

630

1125

825

1760

1580

2910

RF

BW

 

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