GDQ-J high vacuum pneumatic flapper valve
Category： Vacuum valve
Product Details
GD-J series high vacuum manual flapper valve is one of the important elements in the vacuum system. As the opening and closing structure of high vacuum pipeline, it has the advantages of stable operation, reliable sealing, long life and convenient operation. It is one of the valves of choice for vacuum system. This valve is powered by compressed air, changes the direction of the gas path through the electromagnetic reversing valve, and executes the cylinder to drive the baffle to open and close. It cuts off and connects the air flow in the vacuum system. The inside is sealed by bellows. The medium of this valve is Air and non-corrosive gas.
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Performance parameters |
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Scope of application |
5X10-7Pa～1X105Pa |
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Valve body leakage rate |
<1.3X10-10Pa·L/S |
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Positive and reverse leakage rate of valve plate |
<1.3X10-10Pa·L/S |
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Installation position |
Arbitrary |
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Medium temperature |
-35 to 150 degrees Celsius |
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Air supply pressure |
0.4～0.6Mpa |
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Specifications and models |
Interface |
A |
B |
C |
D |
E |
F |
Weight (Kg) |
Pre-opening |
|
GDQ-J63 |
LF63 |
245 |
Φ63 |
88 |
Φ130 |
153 |
164.5 |
6.30 |
/ |
|
GDQ-J80 |
LF80 |
278 |
Φ80 |
98 |
Φ133 |
164.5 |
182 |
6.50 |
/ |
|
GDQ-J100 |
LF100 |
324 |
Φ100 |
108 |
Φ154 |
185 |
223 |
8.90 |
/ |
|
GDQ-J160 |
LF150 |
445 |
Φ150 |
138 |
Φ226 |
251 |
291 |
9.00 |
KF40 |
|
GDQ-J200 |
LF200 |
538 |
Φ200 |
178 |
Φ254 |
305 |
370 |
11.15 |
KF50 |
|
GDQ-J250 |
LF250 |
665 |
Φ250 |
208 |
Φ330 |
373 |
376 |
11.68 |
LF63 |
Keywords： GDQ-J high vacuum pneumatic flapper valve