Taizhou EVP Vacuum Equipment Co., Ltd.

China Manufacturer with main products: Rotary Vane Vacuum Pump, Vacuum System, Liquid Ring Vacuum Pump, Scroll Vacuum Pump, Roots Vacuum Pump, Dry Vacuum Pump

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DYC-JQ series electro-magnetic pressure difference gas valve


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

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
 

Main technical performance:
Scope(Pa)
105~1x10-3
Valve leak rate(Pa.L/S)
<1.0x10-4
Voltage(V/Hz)
220/50
Medium temperature(℃)
-25~+50
Time for opening and closing the valve(S)
≤3
Installation
Vertical or Horizontal
Winding temperature(℃)
≤65
Outline and connection size
Model
DN
ΦD
ΦB
A/F
H
n/Φd
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  

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