D71XLV4/XD371XLV4 LT-type central-line pair-clamp butterfly valve

order number

part

standard layout

Optional configuration

1

valve body

Ductile cast iron QT450-10

2

valve seat

The valve body is made of EPDM (ethylene propylene diene monomer) rubber that has undergone vulcanization.

Nitrile rubber/Fluororubber

3

Butterfly blade

Ductile cast iron QT450-10

Stainless steel 304/316, aluminum bronze C95400

4

valve shaft

DN50-350:

Stainless steel 420

DN400-DN800:

Stainless steel 431

stainless steel

304/316/416/431

5

O molding ring

acrylonitrile-butadiene rubber

EPDM

6

Casing sleeve

DN50-DN350:

Nylon 1010

DN400-DN800:

Lubricating bronze

teflon

7

Handle

Ductile cast iron QT450-10

Aluminum material

8

end cap

(DN400- DN800)

Ductile cast iron QT450-10

9

worm-gear case

Ductile cast iron QT450-10

With signaler/Without signaler

Public Name: Diameter D N

size （mm）

inch

mm

A

B

V

C

OD

02

ØK

G

L

φD1

N-M

ISO5211

03

H

H1

H2

P

PN16

2"

50

140.5

64.5

32

43

53.9

14

90

9.53

267

125

4-M16

F07

150

206

158

52

43.5

2.5"

65

153

72

32

46

65.2

14

90

9.53

297

145

4-M16

F07

150

206

158

52

43.5

3"

80

157.5

86

32

46

79.7

14

90

9.53

267

160

8-M16

F07

150

206

158

52

43.5

4"

100

176

100

32

52

105

16

90

11.14

267

180

8-M16

F07

150

206

158

52

43.5

5"

125

191

112

32

56

130

16

90

11.14

267

210

8-M16

F07

150

206

158

52

43.5

6"

150

202.5

128

32

56

156

20

90

12.7

267

240

8-M20

F07

150

206

158

52

43.5

8"

200

243.5

162

45

60

206.7

26

125

20.6

356

295

12-M20

F10

300

310

239

69

62.5

10"

250

273

194

45

68

253.3

26

125

20.6

490

355

12-M24

F10

300

310

239

69

62.5

12"

300

311

223

45

78

301.9

28

125

22.1

490

410

12-M24

F10

300

307

229

73

77.5

14"

350

340

267

48

76.5

333.9

31.6

150

22.1

470

16-M24

F12

300

307

229

73

77.5

16"

400

400

319.5

48

102

389.6

33.2

175

27

525

16-M27

F14

380

418

288

110

120

18"

450

422

345.4

48

114

441

38.1

175

27

1

585

20-M27

F14

380

418

288

110

120

20"

500

480

380

70.2

127

492.4

41.2

210

1

1

650

20-M30

F16

380

465

325

123

185

24"

600

562

441

70.2

154

592.8

50.6

210

-

-

770

20-M33

F16

380

500

340

129

185

inch

mm

A

B

V

C

ØD

02

ØK

G

L

φD1

N-M

ISO5211

ø3

H

H1

H2

P

PN10

28"

700

575

505

70.2

165

695

63.4

300

1

1

840

24-M27

F25

380

543

213

132

218

30"

750

660

550

70.2

165

744

63.4

300

1

1

900

24-M30

F25

380

543

213

132

218

32"

800

667

577

70.2

190

795.7

63.4

300

1

1

950

24-M30

F25

380

543

213

132

218