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Philippines Pneumatic high vacuum flapper valve
GDQ-J series pneumatic high-vacuum flapper valve uses compressed air as power, changes the direction of the air path through the electromagnetic reversing valve, pushes the cylinder piston to move up and down, drives the valve stem to move up and down, and makes the valve plate open or close, so as to achieve The purpose of switching on or off flow in a vacuum system. Pneumatic high vacuum baffle valve can be divided into GDQ-J type rubber seal and GDQ-J(b) type bellows seal according to the shaft seal structure. GDQ-J type is the angle through type,
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Product Description
- Applicable range (Pa) 105 ~1.3×10-4 (shaft seal material is rubber) 105~1.3×10-6 (shaft seal material is bellows)
- Valve leakage rate (Pa.L/S) ≤1.3×10-5 (shaft seal material is rubber), ≤1.3×10-7 (shaft seal material is bellows)
- Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
- Valve main parts material stainless steel or carbon steel
- Air source pressure (MPa) 0.4~0.8
- Installation position DN < 300 arbitrary, DN ≥ 300 vertical
- Power supply voltage Standard factory: AC220V/50Hz Special designation: optional ①AC110V; ②DC24V; ③DC12V, etc.
- Signal feedback Standard factory: without feedback signal Special designation: magnetic switch DC/AC5~240V
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