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GDQ-JS three-way pneumatic high vacuum flapper valve uses compressed air as the power to change the direction of airflow by controlling pneumatic components, with two-way interface and cylinder drive to make the flapper valve open and close, which is used to connect or cut off Airflow in vacuum lines. The applicable working medium is air and non-corrosive gas.
Features:
Applicable range (Pa):10^5~1.3X10^-4
Valve leakage rate (Pa.L/S):≤1.3×10^-5
Medium temperature (°C): -25~+80 (the sealing material is NBR) ;-30~+150 (the sealing material is fluororubber)
Air source pressure (MPa): 0.4~0.8
installation position:Any
Power supply voltage Standard factory: AC220V/50Hz:Special designation: ①AC110V; ②DC24V; ③DC12V, etc.
Signal feedback Standard factory: without feedback signal;Special designation: magnetic switch DC/AC5~240V
Flange standard:GB/T6070
Connection and Dimensions
| modle | diameter (DN) | ΦD | L | H | B | A/F | n/d |
| GDQ-JS30 | 30 | 70 | 178 | 158 | 88 | 42/44 | 4-M6 |
| GDQ-JS40 | 40 | 70 | 178 | 158 | 88 | 42/44 | 4-M6 |
| GDQ-JS50 | 50 | 90 | 200 | 199 | 100 | 55/50 | 4-M8 |
| GDQ-JS63 | 63 | 110 | 245 | 199 | 120 | 62/62 | 4-M8 |
