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).NPS 6 ” & larger.
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

14

350

16

400

18

450

20

500

24

600

26

650

28

700

30

750

In

mm

ANSI Class 600Lb
L/L1

(RF/BW)

11.50

292

13.00

330

14.00

356

17.00

432

22.00

559

26.00

660

31.00

787

33.00

838

35.00

889

39.00

991

43.00

1092

47.00

1194

55.00

1397

57.00

1448

62.99

1600

65.00

1651

In

mm

L2

(RTJ)

11.62

295

13.12

333

14.12

359

17.12

435

22.12

562

26.12

664

31.12

791

33.12

841

35.12

892

39.12

994

43.12

1095

47.25

1200

55.38

1407

57.51

1461

63.50

1613

65.51

1664

In

mm

H 7.50

190

8.00

205

8.75

222

10.00

255

14.50

368

17.50

445

19.25

490

21.38

540

23.38

595

25.75

655

28.75

730

31.00

785

43.50

1105

40.00

1016

40.00

1066

45.98

1168

In

mm

(d) 50 63 76 100 150 199 199 298 326 374 419 463 558 603 648 695 mm
WT

(kg)

24

16

35

19

44

26

70

44

125

87

207

147

207

147

460

350

615

452

945

720

1105

845

1495

1160

1695

1280

3800

3010

4600

3724

5500

4528

RF

BW

 

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