DDC-JQ-B series electro-magnetic vacuum gas valve
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Equipment goods

DDC-JQ-B series electro-magnetic vacuum gas valve

DDC-JQ-B series electro-magnetic vacuum gas valve is a special valve installed in rotary vane vacuum pump.

DDC-JQ-B series electro-magnetic vacuum gas valve is a special valve installed in rotary vane vacuum pump. The valve and pump should be connected in the same power. The pump start / stop directly controls the valve open / close. When the pump stops working or there is a sudden interruption of the power supply, the valve will automatically close the Vacuum system and fills gas into pump through the pump gas inlet. In this way, it prevents the pump oil return to the Vacuum system.
The applicable active medium of this valve are air, non-corrosive gas.

Main technical performance:

Scope (Pa)

105～1x10-2

Valve Leakage Rate(Pa.L/S)

＜6.7x10-4

Applicable temperature (℃)

-25～+50

Winding temperature (℃)

≤65

Time for opening and closing the valve (S)

≤3

Rated voltage (V/Hz)

220±10%/50

Flange Standard

Connection and Dimensions：

Model

Nominal Diameter(DN)

ΦW

ΦD

ΦB

H

A

n-d

Flange standard

DDC-JQ16B

16

68

30

17.2

191

40

/

GB4982

DDC-JQ25B

25

82

40

26.2

202

50

DDC-JQ32B

32

92

55

41.2

244

50

DDC-JQ40B

40

110

55

41.2

275

65

DDC-JQ50B

50

125

110

90

314

80

4-Φ9

GB/T6070

DDC-JQ65B

65

135

130

110

343

88

4-Φ9

DDC-JQ80B

80

135

145

125

387

95

4-Φ9

DDC-JQ100B

100

165

165

145

399

108

8-Φ9

DDC-JQ-B series electro-magnetic vacuum gas valve.jpg

Location : Room 502,No.1299,XinJinQiao RD, Pudong New Area, ShangHai, China., 201206 ShangHai,
Contact : Martin Miao, 0086 21 50878197

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