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Great Britain marks the often pneumatic holding type lack of mutual understanding valve

Great Britain marks the often pneumatic holding type lack of mutual understanding valve
company Shanghai Valve Manufacturing Co., Ltd.
Categories LED Displays
Update2011-03-18
Original RegionChina
Great Britain marks the often pneumatic holding type lack of mutual understanding valve
Product introduction:

First, detailed materials of the product [the pneumatic diaphragm valve ]:

Name of product: Often the opening type pneumatic diaphragm valve

Characteristic of the products: Design and manufacture: The length of GB122239 structure: GB12221, JB1688 flange connect size: GB4216 , JB78 G6B41W do not have lining diaphragm valve, G6B41J is lined with the glue pneumatic diaphragm valve, often the opening type diaphragm valve

The part is tabulated1, The valve has body2, Valve body lining3, Diaphragm4, Valve one5, Put the valve stem6, The valve covering7, Air cylinder8, Piston9, Spring10, The air cylinder covering11, Have the valve stem12, Handwheel

Second , use:

Use: Valve this special-purpose on it controls to be corrosivity or general corrosivity medium, valve body a of surface has no lining or covers various kinds of rubbers suitable for choosing, suitable for different working temperature and fluid pipeline.
Suitable temperatureis 85 degrees Centigrade ,is 100 degrees Centigrade,is 120 degrees Centigrade ,is 150 degrees Centigrade ( According to the lining and diaphragm material)
The grade of pressure: PN0.6, 1.0 , 1.6

Third , material

The valve has body: Casting iron , nodular cast iron , carbon steel , stainless steel
The valve is covered: Casting iron , nodular cast iron , carbon steel , stainless steel
Lining: There are no lining , rubber
Diaphragm: Rubber
Valve one: Casting iron , carbon steel
Air cylinderNodular cast iron
Piston: Carbon steel
Valve stem: Carbon steel
Handwheel: Casting iron

Fourth, test:

Line with the inlay: The electric spark measuring
Test and examine it according to GB/T13297 standard
Nominal pressure: PN( Mpa)
The valve has body: PN* 1.5
Seal: PN* 1.1

Fifth, mark the pneumatic often making type main size and weight of lack of mutual understanding valve in Great Britain:

DN
mm

Nominal pressure
MPa

Working pressure
MPa

L
( mm)

D
( mm)

D1
( mm)

N- d
( mm)

F
( mm)

H1
( mm)

H2
( mm)

D0
( mm)

B

Source of the gas pressure
MPa

The source of the gas connecting
in

Consume the tolerance
cm3

Quality

15

0.6

0.6

125

95

65

4-14

2

--------

20

139

105

75

4-14

2

--------

25

145

115

85

4-14

2

306

320

120

94

0.4

10* 1

2.395* 102

7.5

32

160

140

100

4-18

2

410

430

140

120

0.4

12* 1.25

6.082* 102

14.5

40

180

150

110

4-18

3

415

435

140

120

0.4

12* 1.25

6.082* 102

16

50

210

165

125

4-18

3

463

488

160

185

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