qilong valve certficate

ANSI Bellows Seal Globe Valve

Design Features:

(1) 2-part rising stem with outside roll-formed thread; stem coupling with bellows anti-torque device and position indicator;

(2) Full size safety gland packing made of pure graphite; can also be supplied in PTFE on request;

(3) Metal back seat with stroke limiter in open position and bellows anti-vibration device;

(4) Multiple wall, fully flushed stainless steel bellows, secured against torsion, designed for 8,000 cycles; fully welded

(5) Stainless steel grooved bonnet gasket coated by pure graphite, mounted in tongue and grooved bonnet flanges

(6) Swivel Conical shaped plug or flat disc made of hardened chromium steel AISI 420 or reinforced with stellite 6; body seat hard faced with stainless steel AISI 307 or stellite 21.

Main parts materials

NO.

Part name

Material

1

Body

ASTM A216-WCB                      ASTM A351-CF8、CF8M、CF3、CF3M

2

Disc

ASTM A182-Gr.F6a ASTM A182-F22      ASTM A182-F304、F316、F321、F304L、F316L

3

Split ring

ASTM A182-Gr.F6a ASTM A182-F22      ASTM A182-F304、F316、F321、F304L、F316L

4

Disc bushing

ASTM A182-Gr.F6a ASTM A182-F22      ASTM A182-F304、F316、F321、F304L、F316L

5

Stem

ASTM A182-Gr.F6a ASTM A182-F22      ASTM A182-F304、F316、F321、F304L、F316L

6

Gasket

Flexible graphite stainless steel、PTFE

7

Bonnet

ASTM A216-WCB

 ASTM A351-CF8、CF8M、CF3、CF3M

8

Bellow assemble

ASTM A182-F304、F316、F321、F304L、F316L

9

Packing

Flexible graphite、PTFE

10

Gland

ASTM A216-WCB

ASTM A315-CF8、CF8M、CF3、CF3M

11

Yoke nut

ZQA19-4

12

Hand wheel

ASTM A536 Gr.60-40-18、A216-WCB

13

Guiding piece

45、WCB、304、316、304L、316L

14

Bolt

ASTM A193-B7、A193-B8、A193-B8M

15

Nut

ASTM A194-2H、A194-8、A194-8M

Main dimension and weight

Pressure

150LB

Size

mm

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

in

1/2

3/4

1

1 1/4

1 1/2

2

2 1/2

3

4

5

6

8

10

12

14

L

108

117

127

140

165

203

216

241

292

356

406

495

622

698

787

H

241

241

241

280

286

368

387

400

457

520

609

698

762

876

990

W

120

140

140

180

200

220

260

280

300

320

340

400

450

450

450

Weight

4

5

6

10

13

18

30

35

55

75

104

200

300

390

610

Pressure

300LB

Size

mm

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

in

1/2

3/4

1

1 1/4

1 1/2

2

2 1/2

3

4

5

6

8

10

12

14

L

152

178

203

215

229

267

292

318

356

400

444

559

622

711

762

H

241

241

283

320

322

399

438

450

584

610

660

762

850

1085

1187

W

120

140

140

180

200

220

260

280

300

320

340

400

450

450

450

Weight

6

7

10

15

20

25

30

52

88

115

160

259

420

595

876

Main parts materials

Pressure

600LB

Size

mm

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

in

1/2

3/4

1

1 1/4

1 1/2

2

2 1/2

3

4

5

6

8

10

12

14

L

165

190

216

229

241

292

330

356

432

508

559

660

787

838

889

H

240

280

320

320

390

430

480

508

635

750

914

1016

1219

1330

1560

W

140

140

160

160

180

180

250

250

350

400

450

500

600

720

760

Weight

7

10

16

22

29

35

50

90

150

230

300

510

850

1120

1400

Pressure

900LB

Size

mm

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

in

1/2

3/4

1

1 1/4

1 1/2

2

2 1/2

3

4

5

6

8

10

12

14

L

229

229

254

279

305

368

419

381

457

559

610

737

838

965

1029

H

280

330

350

430

508

569

430

635

774

860

1040

1330

1560

1650

1780

W

160

160

180

180

250

250

320

350

450

550

600

720

760

820

890

Weight

10

16

23

37

49

65

75

120

200

350

410

790

1300

1500

1800