• Worm soft sealed butterfly valve DN25-DN800 System 1
  • Worm soft sealed butterfly valve DN25-DN800 System 2
  • Worm soft sealed butterfly valve DN25-DN800 System 3
Worm soft sealed butterfly valve DN25-DN800

Worm soft sealed butterfly valve DN25-DN800

Ref Price:
$100.00 - 1,000.00 / pc get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1 pc
Supply Capability:
9999 pc/month

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PART NAME AND MATERIAL

Parts name Materail
Valve bodyGrey iron, ductile iron
SeatPTFE
DiscDuctile iron
AxleCarbon steel ,Stainless steel

 

THE PRESURE RANGE AND USAGE

 

TypeNominal pressure(MPa) Testing pressureSuitable temperature(°C)Suitable medium
Strength (water) (MPa)Enclose (Water) (MPa)
D71X-101.01.51.1≤80℃Water
D371X-10
D71X-161.62.41.8
D371X-16

 

  THE MEASURMENTS OF THE d71x butterfly valve

 


L

D

D1

Z-d

H

H0

A

B

D0

50

43

165

125

4-18

63

306

193

125

150

65

46

185

145

4-18

70

321

193

125

150

80

46

200

160

8-18

83

346

193

125

150

100

52

220

180

8-18

105

387

193

125

150

125

56

250

210

8-18

115

411

193

125

150

150

56

285

240

8-22

137

447

193

125

150

200

60

340

295

8-22

164

572

283

165

220

250

68

395

350

12-22

206

646

283

165

220

300

78

445

440

12-22

230

738

334

175

280

350

78

505

460

16-22

248

761

334

175

280

400

102

565

515

16-26

289

877

425

210

320

450

114

615

565

20-26

320

938

425

210

320

500

127

670

620

20-26

343

93

425

210

320

600

154

780

725

20-30

413

1131

425

210

320

700

165

895

840

24-30

478

1476

620

320

400

800

190

1015

950

34-33

525

1533

620

320

400

900

203

1115

1050

28-33

585

1655

620

320

400

1000

216

1230

1160

28-36

640

1765

620

400

400

1200

254

1455

1380

32-39

755

1995

620

400

400

Quick Details

Structure: Butterfly

Pressure: Low Pressure

Power: Manual

Material: Casting

Temperature of Media: Normal Temperature

Media: Water

Port Size: DN40-DN1200

Place of Origin: China (Mainland)

Wafer type: butterfly valve Packaging & Delivery

Packaging Details: Plactic bag+Paper cover+Plywood cases 

Delivery Detail: Within 20 days 

Specifications

Wafer type lined butterfly valve 

1.Design standard:ISO,BS,API 

2.DN40-DN1200 

3.PN10/PN16/PN25 

4.Center lined disc 


Wafer type lined butterfly valve 


 Technical Data


DN40-DN1200mm PN1.0-1.6MPa


General Design:ISO 5752 / BS 5155 / API 609


Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel


Seat: EPDM, PTFE, NBR,Viton


Stem: Stainless Steel, Steel,


Disc: Ductile Iron with Nickel Coating,Ductile Iron with Nylon Coating, Stainless Stee 304/316l, Alu-Bronze,Duplex steel


Flange Connection:DIN,ANSI,JIS,BS


 Product Features


Wafer type flanged body style fit between FF or RF flanges


PTFE bushing ensure the maximum shaft support and centralized alignment


360°polished disc assures positive on-off


Hard-Backed Cartridge seat or Edge-Boot seat


The pin,spline or square connection are all available


Universal ISO 5211 mounting pad.


Q: does it come in when you go over a certain rpm or do the valves change depending on how far you depress the throtle?
The variable is the valve timing. The spark plug fires a split second before the piston reaches the top of the stroke, to give the fuel a bit of time to burn. But, the faster the piston travels in the bore, that split second gets shorter shorter. So the engine computer changes when the spark plug fires when the valves close, to maximize the power from each ignition stroke.
Q: Transformer butterfly valve and pressure relief valve difference
The butterfly valve is usually fitted with an oil immersed transformer between the tank and the radiator to control the flow of oil between the transformer tank and the heat sink. When large power transformers are delivered, the radiators are usually individually packed to reduce transport sizes. The butterfly valve is closed to prevent the outside air or water from entering the transformer tank. When the transformer is transported to the installation site, the radiator is installed on the butterfly valve one by one. When the radiator is installed, the butterfly valve can be opened so that the oil flow between the transformer, the oil tank and the radiator can be circulated, so as to play the role of heat dissipation.When the transformer is running, it is found that when the radiator has seepage, the butterfly valve can be closed to avoid further leakage of transformer oil, and a new radiator can be replaced.
Q: Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Hard seal butterfly valve in any case, the reverse loading will cause tight seal.
Q: What are single eccentric and double eccentric in butterfly valves? What's the difference, please explain in detail?
Eccentric butterfly valve is divided into single eccentric butterfly valve, double eccentric butterfly valve, three eccentric butterfly valve, variable eccentric butterfly valve.Single eccentric butterfly valve: extrusion problems, address concentric butterfly valve and valve seat of the resulting in a single eccentric butterfly valve, the structural characteristics of the stem axis deviated from the disc center, so that the butterfly is no longer a rotary bottom plate, axial dispersion, reduce the excessive squeezing and the lower end of the seat of the butterfly board.
Q: What does butterfly valve do?
[1] butterfly valve is also known as turn over plate valve, is a simple structure of the control valve, but also can be used for low pressure pipe medium switch control.[2] butterfly valve: butterfly valve refers to the closure of parts (valve or butterfly plate) for the disk, around the valve shaft to achieve rotation and closing of a valve, the main cut off on the pipe and throttling role. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve used in furnace, coal gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, chemical smelting and power generation environmental protection engineering system, conveying a variety of corrosive and non corrosive media pipeline, used to adjust and cut off the media flow. Butterfly valve categories are: handle butterfly valve, turbine butterfly valve, pneumatic butterfly valve, electric butterfly valve and so on.
Q: Should I connect the butterfly valve before and after the pump? Or gate valve?
1, valve, the fluid resistance is small, the sealing surface by the erosion of small and medium Chong brush. 2, opening and closing more effort. 3, medium flow unrestricted, no disturb, do not reduce pressure. 4. The shape is simple, the structure length is short, the manufacturing technology is good, and the scope of application is wide. Butterfly valve main deficiency is that it uses the pressure and temperature range is small. And poor sealing. Therefore, the gate valve should be preferred.Gate valve (gatevalve) is a gate valve used to open and close parts, and along the vertical axis of the valve seat movement, in order to achieve the opening and closing action of the valve. The valve can only be fully open and fully closed, opening and closing parts is the gate, the direction of motion perpendicular to the direction of the fluid, valve two square I-shaped sealing surface forming the wedge, the wedge angle varies with the valve parameters, usually 5 degrees is not high, medium temperature is 2 degrees 52'. Improve the process of valve, make up the sealing surface angle in the process of production deviation, this kind of gate is called flexible gate.
Q: 19 years ago i had a valve repair and now im due to have heart valve replacement. I heard that the metal valve make noise has anyone who has had the metal valve have this type f problem or any other problem with the metal valve it would be a great help if anyone could answer
tissue valve is better because you will need long term warfarin with metal one. metal ones have other drawbacks like amaemia too
Q: oil coming from valve into turbo charger
it's located on pg 61222 of gm shop repair manual
Q: CAD drawing of butterfly valve
Your question is very international. Ha-haThis method of painting is not clear in one or two words.First you'll know the map, then you'll use CAD, so the two will add up.Guess you will.
Q: Butterfly valve D71X-1.6C, DN50, there is no difference between C and no C? What do you mean by "concrete"?
D stands for butterfly valve. 71 represents the clamp type, X represents the sealing surface material, and 16 represents the valve to bear the pressure 1.6MPA, C position is the valve body material code, omitted to represent gray cast iron valve; C represents the valve body material is carbon steel.

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