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Cast Steel Valves

Cast Steel Bellows Seal Gate Valves

Cast Steel Bellows Seal Gate Valves

Size range(s)
NPS 2 - 12 (DN 50 - 300)
Pressure rating
ASME Classes 150 - 600
Standard connections

Features and benefits

 image001.jpg

● Size range(s)

● NPS 2 - 12
   (DN 50 - 300)

● Pressure rating

● ASME Classes 150 - 600

● Standard connections

● Flanged, Butt weld

Features and benefits

● Long cycle life bellows (2000 cycles) in Gr. 321 (stainless), Inconel for special applications, (may be replaced with Monel trim to resist corrosion or Hastelloy C for chlorine service).
● Improved body-bonnet joint: Graphite reinforced with SS foil gasket for Class 150 valves. Fully-encased, spiral wound graphite-filled Gr. 316 (stainless) gasket for Classes 300-600.
● Bolted body-bonnet for fast serviceability. Hermetically-sealed bonnets available for Classes 300 and 600.
● Two or three section bellows assembly.
● Non-rotating stemprevents torsion of bellows.
● Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
● Welded-in seat hardfaced with CoCr alloy.
● Wedge hardfaced with CoCr alloy for long life.
● Seating faces hardfaced with CoCr alloy, ground and lapped. 


image001.jpg

CLASS 150~600Lb BELLOWS GATE VALVE

OS&Y, Rising  stem, Bolted lengthen bonnet, welded seat ring, full bore stainless trim

ASTM A216 WCB

A357 LCB LC1 CL2 LC4

A351 CF8 CF8M CF3 CF3M

A217 WC1 WC6 WC9 C5 C12


NO.

Part name

Materials

21

Bearing

Gr

20

Stem Nut

A439-D2

19

Grease nipple

B62

18

Hand wheel nut

A193 B7

17

Yoke Nut

A193 B7

16

Hand wheel

Ductile iron

21

inner-hexagon-bolt

A193 B7

20

Oriented block

A105/304

19

Protector

A216 WCB

18

Gear equipment

Ductile iron


NO.

Part name

Materials

A216 WCB

A352 LCB

A217 WC9

A217     C5

A351 CF8M

A351 CF3M

15

Yoke

A216 WCB

A352 LCB

A216 WCB

A216 WCB

A351 CF8

14

Gland flange

A216 WCB

A351 CF8

13

Eye nut

A193 B7

A193     L7

A193 B16

A193 B8M

12

Eye bolt

A194 2H

A194 4

A194 7

A194 8M

11

Gland

A276 410

A276 410

A276 304

A276 316

10

Gland packing

Flexible graphite+304

PTFE

9

Bonnet

A216 WCB

A352 LCB

A217 WC9

A217     C5

A351 CF8M

A351 CF3M

8

Bonnet bolt

A193 B7

A193     L7

A193 B16

A193 B16

A193 B8M

7

Bonnet nut

A194 2H

A194 4

A194 7

A194 7

A194 8M

6

Gasket

SS304+graphite

SS316+PTFE

5

Bellows

SS304

SS304

SS304

SS316

SS316L

4

Stem

A182     F6

A182     F304

A182     F304

A182     F316

A182     F316L

3

Wedge

A216 WCB

A352 LCB

A217 WC9

A217     C5

A351 CF8M

A351 CF3M

2

Seat ring

A105

A182     F304

A182     F316

A182     F316L

1

Body

A216 WCB

A352 LCB

A217 WC9

A217     C5

A351 CF8M

A351 CF3M


CLASS 150~600Lb BELLOWS GATE VALVE

Class

Dimensions

150

Size

inch

2

2-1/2

3

4

6

8

10

 

14

16

18

20

24

26

28

30

32

34

36

L-RF

mm

178

191

203

229

267

292

330

356

381

406

432

457

508

559

610

610

710

762

71

L1-BW

mm

216

241

283

305

403

419

457

502

572

610

660

711

813

864

914

914

965

1016

1016

L2-RTJ

mm

191

203

216

241

279

305

343

368

394

419

445

470

521

559

610

610

710

762

711

H

mm

520

620

670

785

1095

1415

1730

2065

2466

2900

3110

3510

4200

4500

4800

5300

5600

6100

7200

K

mm

200

200

250

600

350

350

400

450

500

500

600

750

750

915

915

915

1000

1000

1000

Wt

RF

kg

215

34

36

60

102

154

264

372

540

660

840

972

1356

2015

2675

3330

3430

3660

4400

BW

kg

18

26

31

48

92

148

240

348

520

610

680

1056

1330

2100

2640

3180

3540

3900

4220

RTJ

kg

24

35

45

67

100

165

252

370

540

678

880

1120

1350

2040

2600

3360

3480

3680

4500

300

Size

inch

2

2-1/2

3

4

6

10

12

14

16

18

20

24

26

28

30

32

34

36

L-RF

mm

216

241

283

305

403

419

457

502

762

838

914

991

1143

1245

1346

1397

1524

1626

1727

L1-BW

mm

L2-RTJ

mm

232

257

298

321

419

435

473

518

778

854

930

1010

1165

1270

1372

1422

1553

1654

1756

H

mm

624

745

804

942

1314

1698

2076

2478

2960

3480

3732

4210

5040

5400

5700

6360

6720

7320

8600

K

mm

200

200

250

300

350

350

400

450

500

500

600

750

750

915

915

915

1000

1000

1000

Wt

RF

kg

29

53

57

87

174

271

420

695

860

1260

1480

1980

2780

3430

3920

5080

5480

5820

6300

RTJ

kg

BW

kg

24

42

45

65

132

210

342

600

738

1128

1300

1800

2520

3090

3960

4800

5220

5410

5825

600

Size

inch

2

2-1/2

3

4

8

10

12

14

16

18

20

24

26

28

30

32

34

36

L-RF

mm

292

330

356

432

559

660

787

838

889

991

1092

1194

1397

1448

1549

1651

1778

1930

2083

L1-BW

mm

L2-RTJ

mm

295

333

359

435

562

664

791

841

892

994

1095

1200

1407

1461

1562

1664

1794

1946

2099

H

mm

748

890

965

1130

1575

2040

2491

2800

3552

4176

4460

5051

6050

6480

6840

7600

8060

8780

10320

K

mm

200

250

300

350

450

500

600

750

850

850

960

960

1000

1000

1000

1250

1500

1650

1800

Wt

RF

kg

42

66

86

152

438

533

840

1130

1570

1932

2485

2890

4580

5260

5890

6300

8200

8900

10560

RTJ

kg

BW

kg

38

56

77

124

261

445

685

990

1214

1510

2130

2410

3840

4700

5140

5850

6740

7400

940


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