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 A352-LCB
2 Bonnet Cap A216-WCB A217-WC6 A352-LCB
3 Dise1) A105-CR13 A182-F11+HF A350-LF2+CR13
4 Hinge A216-WCB A217-WC6 A352-LCB
5 Support A216-WCB A217-WC6 A352-LCB
6 Seat Ring A105+CR13 A182-F11+HF A350-LF2+CR13
7 Hinge Pin A276-420 A276-304 A276-420
8 Disc Washer Carbon Steel A276-304 Carbon Steel
9 Disc Nut Carbon Steel A194-7 Carbon Steel
10 Disc Nut Pin Carbon Steel A276-420 Carbon Steel
11 Bonnet Gasket Spiral Wound (Graphite+304)
12 Bonnet Stud A193-B7 A193-B16 A320-L7
13 Bonnet Stut Nut A194-2H A194-7 A196-4
14 Eyebolt2) Carbon Steel
Note:

1).Cast steel disc for NPS 4 ” and above.
2).NPS 6 “& larger.
3).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

14

350

16

400

18

450

20

500

24

600

26

650

28

700

30

750

36

900

In

mm

ANSI Class 150Lb
L/L1

(RF/BW)

8.00

203

8.50

216

9.50

241

11.50

292

14.00

365

19.50

495

24.50

622

27.50

699

31.00

787

34.00

468

38.50

978

38.50

978

51.00

1295

51.00

1295

57.00

1448

60.00

1524

77.00

1956

In

mm

L2

(RTJ)

8.50

216

9.00

229

10.00

254

12.00

305

14.50

368

20.00

508

25.00

635

28.00

711

31.50

800

34.50 39.00

991

39.00

991

51.50

1308

-

-

-

-

-

-

-

-

In

mm

H 6.00

152

6.50

165

6.88

175

8.00

204

11.50

293

13.88

353

15.39

390

17.00

432

18.75

475

18.75

475

22.88

582

24.62

627

34.75

883

35.88

910

37.00

940

38.62

980

48.00

1220

In

mm

(d) 50 63 76 100 150 200 250 300 336 387 438 488 590 641 692 743 876 mm
WT

(kg)

14

10

20

12

25

17

40

29

71

57

118

96

177

143

263

227

353

295

542

468

632

552

855

755

970

831

1275

1120

1600

1420

1990

1760

2760

2230

RF

BW

 

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