Ductile Iron Butterfly Valve Lug Type

Image Description: Size: DN50-DN600

Operation: Handle/Worm gear

Working pressure: PN16

Temperature Range: 0 0C - 1200C

Connection Ends: BS EN 1092 PN10/16,

Description

This type of lug type of butterfly valve is widely used in the various pipelines of water supply and drainage, sewage disposal and irrigation to cut off medium flow in the pipe system through an open and close of 1/4 turn of the disc quickly. The design of the lug type of butterfly valves, however, has the function of adjusting.

Features:

1, Ductile Iron Butterfly Valves Lug type have threaded metal inserts installed in the valves’ bolt holes.

2, The size of Ductile Iron butterfly valve lug type is small and easy for installation. It can be installed wherever needed and is suitable for a variety of actuators

3, The valve is mounted between two flanges using a separate set of bolts on each side of the flange.

Components

No.

Part

Material

1

Body

Cast iron/Ductile iron

2

Disc

Ductile iron with nickel plated/Bronze/Stainless steel SS304 and SS316 etc.

3

Stem

Stainless steel

4

Seat

EPDM/NBR/VITON/PTFE

5

O-ring

NBR

Dimension(50-600)

DN

C

D

L

D1

n-M

K

E

H

H1

G

50

42

52.9

32

125

4*16

77

57.2

81

162

118

65

44.7

64.5

32

145

4*16

77

57.2

90

176

137

80

45.2

78.7

32

160

8*16

77

57.2

96

182

178

100

52.1

104

32

180

8*16

92

69.9

115

201

206

125

54.4

123.3

32

210

8*16

92

69.9

128

214

238

150

55.8

155.6

32

240

8*20

92

69.9

140

227

266

200

60.6

202.5

45

295

12*20

115

88.9

176

261

329

250

65.6

250.5

45

355

12*24

115

88.9

204

293

393

300

76.9

301.6

45

410

12*24

140

108

243

338

462

350

76.5

333.3

45

470

16*24

140

108

268

369

515

400

86.5

389.6

51.2

525

16*27

197

159

302

401

627

450

105.6

440.5

51.2

585

20*27

197

159

328

423

696

500

131.8

491.6

60.4

650

20*30

197

159

362

481

821

600

152

592.5

70.2

770

20*33

276

216

460

563

895