Worm soft sealed butterfly valve DN25-DN800

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$100.00 - 1,000.00 / pc
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Tianjin
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TT or LC
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1 pc
Supply Capability:
9999 pc/month

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Product Description:

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.


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Q:What is the medium flow rate when the centerline butterfly valve is fully open?
After inspection, the product certificate shall be attached to the factory.Butterfly: also known as butterfly valve, control valve has a simple structure, can be used for low pressure pipeline valve switching control is closed parts (disc or disc) is a disk, around the valve axis to achieve the opening and closing a valve, the valve can be used to control air, water, steam, all kinds of corrosive media, mud, oil, metals and radioactive liquid media and other types of fluid flow.
Q:1989 chevy silverado 2500 need to change valve seals?
if the engine smokes only when you have let it sit a little while(over nite or so) and then it clears up after a min. or 2 of driving...its the seals .chevy 305/350 are known for that
Q:What does the butterfly valve model d344h, d345h, d346h, d347h mean?
According to the international standard of the letters and numbers apart to explain D344H D is a unit of butterfly valve, two unit 3 is driving mode: turbine, three unit 4 connection: flange connection, four unit 4 Structure: seal type linkage, five unit H sealing material: Cr13 stainless steelD345H compare yourself to the above. Unit 5 four is a sealed, single eccentric structureD346H four unit 6 is an unsealed center vertical plateD347H four unit 7 is unsealed double eccentricIn general, there is only one difference between them: the structural form is different!
Q:How to connect the signal butterfly valve?
Signal butterfly valve is divided into two, 1) single signal, that is, signal instructions open or shut in place, only reflects a state, 2) double signal instructions, that is able to reflect in place or in place.
Q:What is the meaning of American Standard butterfly valve B series
American Standard flange connection is divided into A, B series. A series for normal flanges, B series for compact flanges. 24 "to no AB series, flange standards for B16.5, 24" above B16.47.
Q:Butterfly D371X5-16ZB1 what does each letter stand for?
Daily valve pressThe regular model is out of step with you. I can only explain the regularD371X5-16ZB1D is butterfly valve3 is the turbine drive7 is the clamp connection1 is the display opening signX is a rubber seal16 is 16 kg pressureI don't know the other superfluous letters
Q:I want to what is better a metal valve or tissue valve replacement for someone who is in their 30's?
I've had a couple of patients tell me they could hear their metallic valves in the quiet of the night. It isn't something that would bother you all the time. The anticoagulant needed makes a lot of people choose the pig valve, but the latter will wear out and need replacement periodically. Lewis Grizzard, who died from complications of his fourth valve replacement, wrote a book They Tore Out My Heart and Stomped That Sucker Flat, that was half about his aortic valve and half about his love life, the author having had as many ex-wives as heart valves. It may be difficult to find a copy now, but it's a book you'd enjoy reading, and contemplating it (and him) might help you decide.
Q:Butterfly valve in the use of the difference? Caliber?
Role of butterfly valveButterfly valve is to use disc type to open and close parts reciprocating reciprocating about 90 degrees to open, close or adjust the flow of medium valve. The butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, the driving performance of torque is small, simple operation, rapid, high chemical corrosion, and can also have good flow control function and closure characteristics, the use of butterfly valve is very extensive. Its varieties and quantities are still expanding, and the development of high temperature, high pressure, large caliber, high sealing, long life, excellent regulation, as well as multi-function development of one valve. Its reliability and other performance indicators have reached a high level. Disadvantages, there is a certain resistance to the medium.Gate valves are more used in steam pipes and large diameter water supply pipelines, because of the general requirements of fluid resistance is small, the use of gate valve.Valve is hand wheel rotation, stem upward movement. Flow is not the same, the gate valve requires full open. Need a higher installation space, the valve sealing surface has a certain self sealing capacity, its spool by the media pressure closely with the valve seat sealing surface contact, to achieve tight leakage. Wedge gate valve spool angle is generally 3~6 degrees, when forced to shut down excessive or temperature changes of the valve core is easy to die. Therefore, high temperature and high pressure wedge gate valve, in the structure have taken certain measures to prevent spool stuck. The valve in the opening and closing valve and valve seat sealing surface contact and mutual friction is always so easy to wear sealing surface, especially in close off the valve, the valve before and after the great pressure, sealing surface wear is more serious.
Q:What does "D341X-16Q" mean?What do D341-16Q letters and numbers mean for butterfly valves?
D - valve type code: Butterfly valve;3 - valve drive mode code: worm gear;4 - valve connection form code: flange;1 - valve structure type code: vertical plate type;X - seat sealing surface or lining material code: rubber;16 - nominal pressure value: PN1.6MPa;Q - body material code: QT400 - 15.
Q:What's the difference between a clip type turbine butterfly valve and a flanged turbine butterfly valve?
The clamp and flange are the two connections.The clip type is cheaper and the price is approximately 2/3 of the flange.The length of the clip type valve bolt is longer, and the requirement of construction accuracy is higher. If the flange on both sides is wrong, the bolt will be subjected to greater shearing force, and the valve will leak easily.

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