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Butterfly Gear Valve
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Butterfly Gear Valve

Butterfly Gear Valve

Valve body material:Cast Steel
Type : JIS B2220
Nominal pressure: 5K / 10K (PN)
Nominal diameter:40A-600A (DN)
Connection method:w / Flange
Manufacturer cert:ISO9001 / BV / ABS / CCS / DNV / LR
Supply period: 15-60days
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Product Introduction

butterfly gear valve manufacture

customized butterfly gear valve

Type"LT"-Butterfly Valve is mainly composed of a valve body, a rotating shaft, a valve plate, a valve seat and a driving mechanism (such as a handle, a worm gear, a pneumatic device or an electric device). The driving mechanism drives the rotating shaft and the valve plate to rotate to achieve the purpose of opening and closing and controlling the flow. Its characteristics include simple and compact structure, small and light, easy to transport, install and disassemble; 90° opening and closing, fast switching; small operating torque, labor-saving and light; good sealing performance, long service life, and zero leakage; different component materials can be selected to be suitable for a variety of media; the flow characteristics are similar to a straight line and have good adjustment performance.

 

Type"LT"-Butterfly Valve is widely used in pipelines of petroleum, chemical, food, medicine, papermaking, hydropower, shipbuilding, water supply and drainage, metallurgy, energy and other systems, and is suitable for a variety of corrosive gases, liquids, semi-liquids and solid powder media. Its main functions include:

‌Control flow‌: adjust the flow of the medium by rotating the valve plate.

‌Cut off medium‌: when fully closed, it can effectively cut off the flow of the medium.

‌Good adjustment performance‌: The flow characteristics are close to a straight line, which is suitable for occasions that require precise control.

‌Applicable to a variety of media‌: Select the appropriate material according to different media to ensure the corrosion resistance and durability of the valve.

The LT type centerline clamp-type butterfly valve connects the valve between the two pipe flanges through stud bolts, making installation and maintenance relatively convenient. Its structure is simple and compact, the operating torque is small, and it can be installed in any position, which is convenient and practical.

 

DIM.
SIZE

A

B

C

GB/T 17241.6 PN6

GB/T 17241.6 PN10

JIS B2220 5K

JIS B2220 10K

∅D1

∅D2

4*∅d

H

K

L

∅d0

P.C.D

N-M

P.C.D

N-M

P.C.D

N-M

P.C.D

N-M

DN40(1.5")

60.2

125

32

∅100

4-M12

45°

∅110

4-M16

45°

∅95

4-M12

45°

∅105

4-M16

45°

77

57

4x ∅7

28

3

13.8

12.6

DN50(2")

68

126

42

∅110

4-M12

45°

∅125

4-M16

45°

∅105

4-M12

45°

∅120

4-M16

45°

77

57

4x ∅7

28

3

13.8

12.6

DN65(2.5")

72.5

136.6

46

∅130

4-M12

45°

∅145

4-M16

45°

∅130

4-M12

45°

∅140

4-M16

45°

77

57

4x ∅7

28

3

13.8

12.6

DN80(3")

88.3

148

46

∅150

4-M16

45°

∅160

8-M16

22.5°

∅145

4-M16

45°

∅150

8-M16

22.5°

77

57

4x ∅7

28

3

13.8

12.6

DN100(4")

103

167

52

∅170

4-M16

45°

∅180

8-M16

22.5°

∅165

8-M16

22.5°

∅170

8-M16

22.5°

90

70

4x ∅10

28

5

17.77

15.77

DN125(5")

115

179

56

∅200

8-M16

22.5°

∅210

8-M16

22.5°

∅200

8-M16

22.5°

∅210

8-M20

22.5°

90

70

4x ∅10

28

5

20.92

18.92

DN150(6")

129

195

56

∅225

8-M16

22.5°

∅240

8-M20

22.5°

∅230

8-M16

22.5°

∅240

8-M20

22.5°

90

70

4x ∅10

28

5

20.92

18.92

DN200(8")

159

229

60

∅280

8-M16

22.5°

∅295

8-M20

22.5°

∅280

8-M20

22.5°

∅290

12-M20

15°

115

89

4x ∅14

35

5

24.1

22.1

DN250(10")

197

277

68

∅335

12-M16

15°

∅350

12-M20

15°

∅345

12-M20

15°

∅355

12-M22

15°

115

89

4x ∅14

35

8

31.45

28.45

DN300(12")

221

313

78

∅395

12-M20

15°

∅400

12-M20

15°

∅390

12-M20

15°

∅400

16-M22

11.25°

140

108

4x ∅14

40

8

34.6

31.6

DN350(14")

257.3

346

78

∅445

12-M20

15°

∅460

16-M20

11.25°

∅425

12-M22

15°

∅445

16-M22

11.25°

140

108

4x ∅14

40

8

34.6

31.6

DN400(16")

290.4

395

102

∅495

16-M20

11.25°

∅515

16-M24

11.25°

∅495

16-M22

11.25°

∅510

16-M24

11.25°

197

159

4x ∅20

50

10

36.15

33.15

DN450(18")

316.9

428

114

∅550

16-M20

11.25°

∅565

20-M24

∅555

16-M22

11.25°

∅565

20-M24

11.25°

197

159

4x ∅20

50

10

40.95

37.95

DN500(20")

348

462

127

∅600

20-M20

∅620

20-M24

∅605

20-M22

∅620

20-M24

197

159

4x ∅20

65

10

44.12

41.12

DN600(24")

435.5

529

154

∅705

20-M24

∅725

20-M27

∅715

20-M24

∅730

20-M30

7.5°

276

216

4x ∅20

70

16

54.62

50.62

 

Product Structure Drawing

 

Product Structure Drawing

 

Description

 

Design and Manufacture

GB/T12238-2008

Face To Face

GB/T12221-2005

Flanges Drilled

GB/T17241.6&JIS B2220PN6/PN10&5K/10K

Inspection standard

GB/T13927-2008

 

Test pressure

 

Nominal Pressure

0.6/1.0/1.6MPa

Shell Test Pressure

Water

0.9/1.5/2.4MPa

Seal Test Pressure

0.66/1.1 /1.76MPa

Temperature range

-40°C 120℃

Applicable medium

Water Gas Oil...

 

5

Gear Box

DI

4

Seat

SS316

3

Stem

EPDM

2

Disc

CF8/CF8M/C954

1

Body

DI

 

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