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DN40 ~DN1800 Pneumatic Butterfly Valve With Ductile Iron / Stainless Steel

Shanghai kangquan Valve Co. Ltd.
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Address: No.159 Jiugan road Sijing industrial zone Songjiang District Shanghai, China

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Shanghai kangquan Valve Co. Ltd.

DN40 ~DN1800 Pneumatic Butterfly Valve With Ductile Iron / Stainless Steel

Country/Region china
City & Province shanghai shanghai
Categories Valves
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Product Details

Pneumatic Butterfly Valve Conditioning And Fire Prevention Use By Wafer type
 

 

 

Wafer or double flange can be choice

 

Specifications:

SCARTAMENTO:       EN 593     EN 558-1 Serie20

 

FLANGE:          EN 1092-2

 

FLANGIA SUPERIORE:  ISO 5211

 

 
Size: DN40 - 1800 


Temperature: -15℃ - 150℃ 


Pressure: 1.0MPa/1.6MPa 

 

 

Materials
Materials of Body :  Ductile Iron (GGG40, GGG50). Cast Iron (GG25), Stainless Steel 


Materials of Disc :  Stainless Steel. Nickel Plated, Ductile Iron, Ductile Iron Coated Plastic,

                              Titanium Steel, Copper Alloy etc


Materials of Seat :  Ethylene-Propylene-Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE), 

                               Nitrile Rubber (NBR), Chloroprene, Chlorosulfonated Polyethylene (Hypalon), 

                                 Silicon, Fluoroelastomer (VITON) , Caoutchouc etc.


Materials of Stem :  Stainless Steel. Carbon Steel ,2Cr13

 
A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe. 
The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. 
The plate has a rod through it connected to an actuator on the outside of the valve. Rotating the actuator turns the 
plate either parallel or perpendicular to the flow. Unlike a ball valve, the plate is always present within the flow, 
therefore a pressure drop is always induced in the flow regardless of valve position.

 
Wafer Rubber Seated Butterfly Valves

DN
(mm)

PN
(MPa)

Connection dimensions(mm)

L

D

D1

Zφd

40

1.0/1.6

43

145

110

4-18

50

43

165

125

4-18

65

46

185

145

4-18

80

46

200

160

4-18/8-18

100

52

220

180

8-18

125

56

250

210

8-18

150

56

285

240

8-22

200

60

340

295

8-22/12-22

250

68

395/405

350/355

12-22

300

78

445/460

400/410

12-22

350

1.0

78

505

460

16-22

400

102

565

515

16-26

450

114

615

565

20-26

500

127

670

620

20-26

600

154

780

725

20-30

700

165

895

840

24-30

800

190

1015

950

24-33

900

203

1115

1050

28-33

1000

216

1230

1160

28-39

1200

254

1455

1380

32-39

1200

0.6/0.25

254

1400/1375

1340/1320

32-34/32-30

1400

279

1620/1575

1560/1620

36-34/36-30

1600

318

1820/1785

1760/1730

40-34/40-30

1800

356

2045/1985

1970/1930

44-41/44-30

2000

406

2265/2185

2180/2130

48-48/48-30

 

 

 Product Advantages:
 
1) Small in size and light in weight and maintaince.
   It can be mounted whereever needed.
 
2) Simple, compact structure, quick 90 degree on-off operation.
 
3) Disc has two-way bearing, perfect seal, without leakage under 
   the pressure test.
 
4) Flow curve tending to straight-line. Excellent regulation performance.
 
5) Various kinds of materials, applicable to different medium.
 
6) Strong wash and brush resistance and can fit to bad working condition.
 

 

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