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Detailed

Worm gear operated flange butterfly valve

Size Range: 2~48"(DN50~DN1200）

Pressure: PN10, PN16, Class125

Body Materials: Cast Iron, Ductile Iron, WCB , Stainless Steel

Seat Materials: NBR, EPDM, VITON

Disc Materials: Ductile Iron, WCB, CF8, CF8M, Al-bronze C958

Stem Materials: SS416, SS304, SS316

Worm gear operated flange butterfly valve End Connection: Flange

Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

Disc type: With-pin, One stem no-pin, Double stem no-pin.

SIZE

A

B

C

L

ANSI 150B

DIN PN 10

DIN PN 16

JIS 10K

Top Flange

mm

in

øK

N-ød

øK

N-ød

øK

N-ød

øK

N-ød

øD

øD1

N-øG

65

22/1"

72

136

32

112

139.7

4-ø19

145

4-ø18

145

4-ø18

140

4-ø19

77

57

4-ø7

80

3"

88

146

32

114

152.4

4-ø19

160

8-ø18

160

8-ø18

150

8-ø19

65

50

4-ø7

100

4"

96.5

158

32

127

190.5

4-ø19

180

8-ø18

180

8-ø18

175

8-ø19

90

70

4-ø10

125

5"

115

179

32

140

215.9

8-ø19

210

8-ø18

210

8-ø18

210

8-ø23

90

70

4-ø10

150

6"

126

197

32

140

241.3

8-ø22.4

240

8-ø22

240

8-ø22

240

8-ø23

90

70

4-ø10

200

8"

161

230

45

152

298.4

8-ø22.4

295

8-ø22

295

12-ø22

290

12-ø23

115

89

4-ø14

250

10"

199

271

45

165

361.9

12-ø25.4

350

12-ø22

355

12-ø26

355

12-ø25

115

89

4-ø14

300

12"

215

305

45

178

431.8

12-ø25.4

400

12-ø22

410

12-ø26

400

16-ø25

140

108

4-ø14

350

14"

261

350

45

190

476.2

12-ø28.4

460

16-ø22

470

16-ø26

445

16-ø25

140

108

4-ø14

400

16"

290

381

51

216

539.7

16-ø28.4

515

16-ø26

525

16-ø30

510

16-ø27

197

159

4-ø21

450

18"

307

392

51

222

577.8

16-ø31.8

565

20-ø26

585

20-ø30

565

20-ø27

197

159

4-ø21

500

20"

340

441

57

229

635

20-ø31.8

620

20-ø26

650

20-ø33

620

20-ø27

197

159

4-ø21

600

24"

396

500

70

267

749.3

20-ø35.1

725

20-ø30

770

20-ø36

730

24-ø33

276

216

4-ø22

700

28"

496

567

66

292

863.6

28-ø35.1

840

24-ø30

840

24-ø36

840

24-ø33

300

254

8-ø18

800

32"

543

641

66

318

977.9

28-ø41.1

950

24-ø33

950

24-ø39

950

28-ø33

300

254

8-ø18

900

36"

584

692

118

330

1085.8

32-ø41.1

1050

28-ø33

1050

28-ø33

1050

28-ø33

300

254

8-ø18

1000

40"

638

735

142

410

1200.2

38-ø41.1

1160

28-ø36

1170

28-ø42

1270

28-ø39

300

254

8-ø18

1200

48"

763

917

150

470

1422.4

44-ø41.1

1380

32-ø39

1390

32-ø48

1380

32-ø39

350

298

8-ø22

Worm gear operated flange butterfly valve Features

Worm gear operated flange butterfly valve:

Single Eccentric Disc-Shaft

Anti-Blow Out Stem

Bi-Directional

Fire safe Design

Low Friction Body Seat

Zero Leakage

Adoptive Standards

Lever operated flange butterfly valve:

Valve Design: API 609, MSS SP-67

Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1

Pressure Test: API 598

Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Top Flange: ISO5211

Standard Test

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.

● Water Treatment Plant

● Drilling Rigs

● Paper Industry

● Gas Plant

● Sugar Industry

● Cooling Water Circulation

● Breweries

● Heating & Air Conditioning

● Chemical Industry

● Pneumatic Conveyors

● Waste Effluent Treatment Plant

● Compressed Air