Large Size Pneumatic Double Eccentric Flange Butterfly Valve

Brand:aiwo/oem
Place Of Origin:China
Size:DN100-DN2600
Nominal pressure:PN10/PN16
Color: Customize
Connection: flange
Temperature:-10 to 120℃
MOQ:1set/piece
Payment Method:L/C, D/A, D/P, T/T, Paypal
Supply Capacity:according to size 100-15000sets /pieces per month
Standard Packaging:Wooden box or customized

Product Description

Purpose
The butterfly valve are designed as a device to shut-off or regulate the working medium flow and installed in industrial pipelines with medium of water,oil and air in water plant,power plant .petr oleum,metallurgy,chemical industry construction,municipal engineering and etc.

Features And Benefits
1.Double eccentric disc provides a very low friction torque,rapid open-close,excellent operation,light weight and labor saving.
2.Double eccentric seat provides a very low friction,wear resistance and long life service.
3.Sealing rings fixed in the disc by screw are easily adjusted and replaced.
4.Zero leakage seating in bi-direcrtional

Standard

Manufature acc.to

GB/T12238-2008

API 609 TYPE B AWWA C504

Flange Connection

GB/T9113.1-2000

ASME B16.5 ASME B16.47

GB/T17241.6-1998 GB4216

ASME B16.1 AWWA C207

Face to Face Dimension

GB/T12221-2005

API609 AWWA C504

Test & Inspection

GB/T13927-2008

API 598 AWWA C504

Technical Data

DN(mm)

100-3000

100-2400

100-1600

100-1200

4”-60”

PN(mm)

0.6

1.0

1.6

2.5

2.0

Shell Tset(Mpa)

0.9

1.5

2.4

3.75

3.0

Seal Test(Mpa)

0.66

1.1

1.76

2.75

2.2

Applicable Temperature

-29℃-80℃

Applicable Medium

Water,air,natural gas,petroleum products and weak corrosive medium

Operating Type

Worm gear,electric,pneumatic,hydraulic,electro-hydraulic etc.

Leakage Rate

In accordance with GB/T13927-2008 A

Material Specification

No.

Item

Material

1

End Cap

Carbon Steel,Stainless Steel

2

Gasket

O-Ring,PTFE,Asbestios Sheet

3

Thrust Ring

Carbon Steel,Stainless Steel

4

Bushing

Self-lubricating Bronze,PTFE,Stainless Steel

5

Body

Gray Cast iron,Ductile iron,Cast steel,stainless steel,Nickel-chromium alloy iron

6

Body Seat Ring

Copper Alloy,Stainless Steel

7

Seating Ring

NBR,EPDM,PTFE,VITON

8

Retaining Ring

Carbon Steel,Stainless Steel

9

Disc

Gray Cast iron,Ductile iron,Cast steel,stainless steel,Nickel-chromium alloy iron

10

Shaft

2Cr13,1Cr18Ni9Ti,304,316,316L

11

Shaft Pin

2Cr13,1Cr18Ni9Ti,304,316,316L

12

Set Screw

Carbon Steel,2Cr13,304,316

13

Packing

NBR,EPDM,PTFE,VITON,Flexible graphite

14

Packing Gland

Ductile iron,Carbon steel,stainless steel,Bronze

15

Yoke

Cast iron,Cast steel

16

Worm Gear

Cast iron,Ductile iron,Carbon steel

17

Hand Wheel

Ductile iron,Malleable cast iron,Carbon steel

Connection Dimension

DN(mm)

Face to Face Dimension(mm)

Outside Dimension(mm)

Approx.Wt.(kg)

DN

L Flange short pattern

L Flange long pattern

L Wafer

H1

H

A

B

D0

L Flange short pattern

L Flange long pattern

L Wafer

DN100

127

190

120

230

180

50

150

45

60

DN125

140

200

140

260

180

50

305

60

90

DN150

140

210

180

275

185

63

305

80

120

DN200

152

230

200

313

185

63

305

100

169

DN250

165

250

260

313

215

80

305

121

203

DN300

178

270

290

420

215

80

406

159

265

DN350

190

290

320

450

215

80

406

222

370

DN400

216

310

102

352

480

245

125

300

237

396

102

DN450

222

330

114

390

543

245

125

300

271

453

126

DN500

229

350

127

425

585

245

125

300

300

501

160

DN600

267

390

154

485

643

390

202

400

381

635

243

DN700

292

430

165

540

737

390

202

500

651

931

369

DN800

318

470

190

605

885

427

262

400

792

1132

498

DN900

330

510

203

665

975

427

262

400

1034

1478

642

DN1000

410

550

216

705

1130

550

325

500

1334

1906

851

DN1200

470

630

254

850

1150

550

325

500

1953

2442

1107

DN1400

530

710

279

1000

1201

600

362

650

2937

3811

1568

Note:The flange size can be by GB9113.1,ASME B 16.5,ASME B16.47 can also be based on user needs to meet different standards.

Connection Dimension

DN(mm)

Face to Face Dimension(mm)

Outside Dimension(mm)

Supporting Stand Size(mm)

DN

short pattern

long pattern

H1

H

A

B

D0

H0

L0

DN1600

600

790

1080

1630

690

395

650

1000

1000

DN1800

670

870

1215

1750

690

395

650

1100

1100

DN2000

760

950

1350

1850

780

580

650

1200

1200

DN2200

800

1000

1600

1980

780

580

650

1300

2200

DN2400

850

1100

1750

2120

780

580

650

1360

2400

DN2600

900

1200

1880

2230

865

620

650

1500

2600

DN2800

950

1300

1980

2400

865

620

650

1610

2800

DN3000

1000

1400

2080

2600

865

620

650

1690

3000

DN3200

1100

/

2130

2730

865

620

650

1850

3200