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 |
Contact : Martin Miao, 0086 21 50878197
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