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Knife gate valve

Products > Gate Valve > Knife gate valve

Knife gate valve

Model: PZ43H
Nominal diameter: NPS 2 "~ 32" DN50 ~ 800mm
Nominal pressure: CL150 PN10 ~ 40MPa
Operating temperature: ≤200 ℃
Main material: carbon steel, stainless steel
Application: for water, sewage, food, medicine, textile, electricity, shipbuilding, metallurgy, energy system
Connection standard: ASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
shared:

[Basic Information]

Manual knife gate valve (knife gate valve) compact design, occupy a small space, light weight, easy to install, wear anti-blocking measures to improve, easy maintenance, long service life. According to need, multiple flushing ports can be set around the valve body to directly flush with air, steam or water to prevent the gradual accumulation of sediment, which is especially suitable for the difficult fluid input. Polyester or  nickel-  plated wear-resistant wear-resistant hemming cone installed at the entrance of the knife gate valve to prevent the direct erosion of particulate matter in the seal, which can improve the working conditions and prolong life. Teflon is mounted on the upper edge of the blade, scraper to prevent the abrasive material such as dust grit from entering the stuffing box. The use of full circular channel design, knife blade into the bottom process, high finish, to ensure a good seal. 
 
[Standard parameters]

design standardsAPI 600, API6D, ASME B16.34, GB / T 12234
Structure lengthASME B16.10, API6D, GB / T 12221
Connection standardASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
Pressure testAPI 598, GB / T 13927, JB / T 9092
Pressure - Temperature levelASME B16.34, GB / T 12224


 [Valve Features]

1, short structure length, save material, can greatly reduce the overall weight of the piping system.

2, take up less effective space, can effectively support the strength of the pipeline, reducing the possibility of pipeline vibration.

3, the gate selection of austenitic stainless steel, corrosion resistance greatly improved, which can effectively prevent the leakage caused by the gate seal leakage.

4, the sealing packing with flexible PTFE, reliable sealing, light and flexible operation.

5, the gate with a knife function, can effectively shut down all kinds of debris in the media.

6, such as the use of hard-sealed stainless steel, valve do spray welding, it can be a good extension of the valve on the temperature and pressure requirements. 


[Adaptations]
 Knife gate valve products are widely used in chemical, coal, food, sewage, paper, steel and other fields, is an ideal seal valve.
 

[Knife gate valve 1.6MPa main connection size and weight]

size

DN

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

400

L

mm

130

150

160

180

200

230

290

310

350

400

480

600

650

750

850

950

H

mm

200

243

253

280

312

321

325

355

415

460

510

700

975

1115

1250

1380

W

mm

120

140

160

160

200

200

240

240

280

320

360

560

600

700

800

900

weight

kg

5

6.5

7

13.5

16

32

45

60

80

107

134

268

449

663

750

1170

 

[Knife gate valve 2.5MPa main connection size and weight]

size

DN

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

400

L

mm

130

150

160

180

200

230

290

310

350

400

480

600

650

750

850

950

H

mm

200

243

253

280

312

321

325

355

415

460

510

700

975

1115

1250

1380

W

mm

120

140

160

160

200

200

240

240

280

320

360

560

600

700

800


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