DYC-JQ series electro-magnetic pressure difference gas valve is a special valve installed in the inlet of mechanical vacuum pump and open & close simultaneously.
When the pump stops working or power supply is suddenly interrupted, the valve will depend on atmospheric and vacuum pressure on making the valve plate closes automatically, will be closed vacuum system to maintain their vacuum, and the atmosphere through the throttle valve into the pump chamber in order to avoid pump oil return to vacuum system.
The applicable active medium of this valve are air, non-corrosive gas
|
Model |
DN |
Φ D |
Φ B |
A/F |
H |
n/Φ d |
Connection standard |
|
DYC-JQ50 |
50 |
110 |
90 |
80/80 |
210 |
4-9 |
GB/T6070
|
|
DYC-JQ65 |
63 |
130 |
110 |
88/88 |
255 |
4-9 |
|
DYC-JQ80 |
80 |
145 |
125 |
98/98 |
285 |
8-9 |
|
DYC-JQ100 |
100 |
165 |
145 |
108/108 |
297 |
8-9 |
|
DYC-JQ125 |
125 |
200 |
175 |
138/138 |
300 |
8-11 |
|
DYC-JQ150 |
150 |
220 |
195 |
153/160 |
370 |
8-11 |
Jb919 |
|
DYC-JQ200 |
200 |
285 |
260 |
200/200 |
430 |
12-11 |
GB/T6070 |
EVP VACUUM is a full service vacuum engineering and sales including vacuum pumps, vacuum valve, vacuum system, vacuum element.For the long term we are trying to build our brand image --EVP.
EVP is committed to offering customer-madevacuum solutions, consulting, planning, designing, building, operating, installing, debugging.We have the professional engineering team according to the different customers.Our products have long operation life, stable and reliable quality, high vacuum, duly shipment, completed sizes to meet requirements of different customers from different markets, such as U.S.A, Canada, Italy and Norway etc.
Now, we've gained CE Certificate, manage our production under ISO9000:2000 system, and we have actively invested in research and development of all our products.Based on firm performance and stable quality, we enthusiastically provide sincere and prompt service to our customers and establish sustainable business operation, environmental and lower energy consumption.Be designed by the experienced technicians with more than 20 years and 100% Factory inspection, we are responsible with any problems of the products' quality and provide the tracking service of shipment.And the feedback in 12 hours with the customer's opinions will be tackled within 24 hours.
