Needle Valve

Needle Valve is an important part of the pipe system. A  Needle Valve is a type of valve having a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. Needle Valve Should be installed so that the flow of media and the arrow on the body in the same direction. It is called needle valve due to the shape of the closure member, It consists on a threaded stem with a conical end.

 

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External Dimensions

A

Φ

L

L1

H

D0

Kg

1/4

Φ6-Φ12

57

68

64

57

0.45

3/8

Φ6-Φ12

57

68

64

57

0.45

1/2

Φ14-Φ16

68

86

76

63

0.6

3/4

/

80

/

95

70

1.0

1

/

90

/

100

80

1.6

 

Main parts and material list

Part

Body Material

SS316

A105

1 Handle

SS304

2 Lock screw

SS304

3 Cap

SS316

A105

4 Gland

SS316

A105

5 Gland ring

SS316

A105

6 Packing seat

SS316

2Cr13

7 Packing

Flexible graphite/PTFE/Carbon fiber

8 Body gasket

SS316

SS304

9 Bonnet

SS316

A105

10 Stem

SS316

2Cr13

11 Body

SS316

A105

12 Double clamp(Nut)

SS316

Lubricant

Mos2