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Xiamen Kemus Valve Co.,Ltd
Add: 5 floor, Zhimingxing Technology Building No 18, Honglian West Road, Siming District Xiamen China
Tel:+86-592-7103069
Mob:+8618359108305
E-mail: sales1@kemus-valve.com

Gate Valve

Large Caliber Gate Valve

Large Caliber Gate Valve

Products Name:Large caliber gate valve The large-diameter flanged gate valve produced by Xiamen Kemus Valve Co.,Ltd. is widely applied to oil and gas products such as petrochemical and thermal power plants, and the opening and closing device for connecting or interrupting the medium in the water......

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Products Name:Large caliber gate valve

The large-diameter flanged gate valve produced by Xiamen Kemus Valve Co.,Ltd. is widely applied to oil and gas products such as petrochemical and thermal power plants, and the opening and closing device for connecting or interrupting the medium in the water vapor pipeline

 

Product Usage of Large caliber gate valve

The large-diameter flanged gate valve produced by Xiamen Kemus Valve Co.,Ltd. is widely applied to oil and gas products such as petrochemical and thermal power plants, and the opening and closing device for connecting or interrupting the medium in the water vapor pipeline

 

Features of Large caliber gate valve

1, compact structure, reasonable design, good valve rigidity, smooth passage, small flow coefficient

2, the sealing surface of stainless steel and carbide, long life

3, Flexible graphite packing, reliable sealing, light and flexible operation

4, the driving mode is manual, pneumatic, electric, gear drive

5, the structure of the elastic wedge single gate, rigid wedge single gate double gate type

Executive Standard of Large caliber gate valve

Design specifications: GB / T 12234

Structure length: GB / T 12221

Connecting flange: JB / T 79.1

Test and inspection: JB / T 9092

Pressure - Temperature: GB / T 9131

Product Identification: GB / T 12220

Performance parameters of Large caliber gate valve

Nominal pressurePN(MPa)

case

test pressure(MPa)

Sealed

Sealed (liquid)

Seal (gas)

1.6

2.4

1.8

0.6

1.8

2.5

3.8

2.8

0.6

2.8

4.0

6.0

4.4

0.6

4.4

6.4

9.6

7.0

0.6

7.0

10.0

15.0

11.0

0.6

11.0

16.0

24.0

18.0

0.6

18.0

Suitable medium and applicable  temperature of Large caliber gate valve

Shell material

Suitable media

Applicable temperature (℃)

Carbon steel (C type)

Water, steam, oil

≤425

Chromium nickel titanium steel (P type)

Nitric acids

≤200

Chrome nickel molybdenum titanium steel (R type)

Acetic acid

≤200

Chrome-molybdenum steel (type I)

Water, steam, oil

≤550

The main part material of Large  caliber gate valve

Body,bonnet

Valve plate, seat

Valve stem

Stem nut

filler

Handwheel

Carbon steel

High-quality

carbon steel + carbide or stainless steel

Chrome stainless steel

Aluminum    bronze

Graphite    asbestos packing

Malleable    iron

Chromium nickel titanium steel

Stainless steel, stainless steel + cemented carbide

Chrome nickel-titanium stainless steel

Aluminum    bronze

Teflon

Malleable    iron

Chromium nickel molybdenum titanium steel

Stainless steel, stainless steel + cemented carbide

Chrome nickel-titanium stainless steel

Aluminum    bronze

Teflon

Malleable    iron

Chrome-molybdenum    steel

Alloy steel + Carbide

Chrome-molybdenum    steel

Aluminum    bronze

Flexible    asbestos

Malleable    iron

The main shape and connection  dimensions of Large caliber gate valve

Nominal diameter

The main dimensions and connection    dimensions

L

D

D1

D2

b

Z-d

H

D0

Z41H-16

15

130

95

65

45

14-2

4-Φ14

170

120

20

150

105

75

55

14-2

4-Φ14

190

140

25

160

115

85

65

14-2

4-Φ14

205

160

32

180

135

100

78

16-2

4-Φ18

270

180

40

200

145

110

85

16-3

4-Φ18

310

200

50

250

160

125

100

16-3

4-Φ18

358

240

65

265

180

145

120

18-3

4-Φ18

373

240

80

280

195

160

135

20-3

8-Φ18

435

280

100

300

215

180

155

20-3

8-Φ18

500

300

125

325

245

210

185

22-3

8-Φ18

614

320

150

350

280

240

210

24-3

8-Φ23

674

360

200

400

335

295

265

26-3

12-Φ23

811

400

250

450

405

355

320

30-3

12-Φ25

969

450

300

500

460

410

375

30-3

12-Φ25

1145

580

350

550

520

470

435

34-4

16-Φ25

1280

640

400

600

580

525

485

36-4

16-Φ30

1452

640

450

650

640

585

545

40-4

20-Φ30

1541

720

500

700

705

650

608

44-4

20-Φ34

1880

720

600

800

840

770

718

48-5

20-Φ36

1874

800

700

900

910

840

788

50-5

24-Φ41

2083

800

800

1000

1020

950

898

52-5

24-Φ41

2400

850

900

1100

1120

1050

998

54-5

28-Φ41

2950

1000

1000

1200

1255

1170

1110

56-5

28-Φ48

3245

1000

Z41H-25

15

130

95

65

45

16-2

4-Φ14

170

120

20

150

105

75

55

16-2

4-Φ14

190

140

25

160

115

85

65

16-2

4-Φ14

205

160

32

180

135

100

78

18-2

4-Φ18

270

180

40

200

145

110

85

18-3

4-Φ18

310

200

50

250

160

125

100

20-3

4-Φ18

358

240

65

265

180

145

120

22-3

8-Φ18

373

240

80

280

195

160

135

22-3

8-Φ18

435

280

100

300

230

190

160

24-3

8-Φ23

500

300

125

325

270

220

188

28-3

8-Φ25

614

320

150

350

300

250

218

30-3

8-Φ25

674

360

200

400

360

310

278

34-3

12-Φ25

811

400

250

450

425

370

332

36-3

12-Φ30

969

450

300

500

485

430

390

40-4

16-Φ30

1145

580

350

550

550

490

448

44-4

16-Φ34

1280

640

400

600

610

550

505

48-4

16-Φ34

1452

640

450

650

660

600

555

50-4

20-Φ34

1541

720

500

700

730

660

610

52-4

20-Φ41

1676

720

600

800

840

770

718

56-5

20-Φ41

1874

800

700

900

955

875

815

60-5

24-Φ48

2083

800

800

1000

1070

990

930

64-5

24-Φ48

2400

950

900

1100

1180

1090

1025

66-5

28-Φ54

2950

1000

1000

1200

1305

1210

1140

68-5

28-Φ58

3245

1000

Structure picture

Packing & Delivery

FAQ

Q1.What's the delivery time generally?

For common valves 15-25 days, OEM valves 30~35 days.

Q2.What's your payment terms?

We can accept T/T, L/C, E-checking, Visa, Western Union,etc.

Q3.What's the nearest shipping port?

The nearest port is Tianjin, but we also can export from Beijing, Shanghai, Ningbo, ect.

Q4.What trade terms you can accept?

EXW, FOB, CIF, C&F, etc.

Q5.How long is the time of warranty time?

12 months from using day or 18 months from shipping day.