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

DDC-JQ 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.
Note: Quick release and Loose flange connection and outline dimension Please refer to DDC-JQ-B series electro-magnetic vacuum gas valve( including DN100 spec.)

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

JB919

Connection and Dimensions：

Model

Nominal Diameter(DN)

ΦW

ΦB

H

h

bxb

n-d

Model of the matching mechanical pump

DDC-JQ16A

16

68

42

176

28

48x48

4-M5

2XZ-0.5/1

DDC-JQ25A

25

82

55

199

35

58x58

4-M6

2XZ-2/4

DDC-JQ32

32

92

64

226

40

68x68

4-M6

2XZ-4

DDC-JQ40

40

110

70

245

44

80x80

4-M6

2XZ-8

DDC-JQ50A

50

125

90

290

56

95x95

4-M8

2X-15

DDC-JQ65

65

135

105

320

65

115x115

4-M8

2X-30A

DDC-JQ80

80

165

125

367

75

140x140

4-M8

2X-70A

DC-JQ 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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