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Central butterfly valve

Min.Order Quantity: 1 Set/Sets Central butterfly valve

Supply Ability: 2 Set/Sets per Month Central butterfly valve

Payment Terms: L/C,T/T,


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center line butterfly valve product overview:

 
The opening and closing part of the center line butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening and closing or adjustment. The advantages of butterfly valve are simple structure, small volume, light weight, small installation size and quick switch.
 
center line butterfly valve structure features :
 
1. The valve adopts double eccentric structure, which has the sealing function of closer and tighter, and the sealing performance is reliable.
 
2. The sealing pair material is stainless steel and NBR oil resistant rubber, with long service life.
 
3. The rubber seal ring can be located on the valve body or the butterfly plate. It can be applied to different media for users to choose.
 
4. The butterfly plate adopts frame structure with high strength, large flow area and small flow resistance.
 
5. The whole baking paint can effectively prevent corrosion and can be used in different media as long as the sealing material of the sealing valve seat is replaced.
 
6. The valve has a two-way sealing function, which is not controlled by the flow direction of the medium during installation and is not affected by the space position. It can be installed in any direction.
 
7. The valve has unique structure, flexible operation, labor saving and convenience.

 

 

 

Nominal diameterDN(mm)

Wafer type 50-300

Flange type 50~2000

Nominal pharmacologyPN(MPa)

0.6

1.0

1.6

Sealing test(MPa)

0.66

1.1

1.76

strength test(MPa)

0.9

1.5

2.4

Applicable temperature

NBR: - 40 ℃ ~ 90 ℃ Viton: - 20 ℃ ~ 200 ℃

Applicable medium

Water, air, natural gas, oil and weak corrosive fluid

Leakage rate

Conform to GB / T13927-92

Driving mode

Worm gear drive, electric, pneumatic, hydraulic

Main dimensions:

DN

L

H

HO

A

B

0.6MPa

1.0MPa

1.6MPa

DO

n-d

DO

n-d

DO

n-d

50

43

63

235

270

110

110

4-14

125

4-18

125

4-18

65

46

70

250

270

110

130

4-14

145

4-18

145

4-18

80

46

83

275

270

110

150

4-18

160

8-18

160

8-18

100

52

105

316

270

110

170

4-18

180

8-18

180

8-18

125

56

115

340

310

110

200

8-18

210

8-18

210

8-18

150

56

137

376

310

110

225

8-18

240

8-22

240

8-22

200

60

164

430

353

150

280

8-18

295

8-22

295

8-22

250

68

206

499

353

150

335

12-18

350

12-22

355

12-26

300

78

230

570

380

150

395

12-22

400

12-22

410

12-26

 


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