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Egypt High vacuum flapper valve
GD-J (b) series manual high-vacuum flapper valve is one of the important components in the vacuum system. The transmission part of the valve adopts a threaded structure, and the valve plate is opened and closed by manual rotation of the handwheel. Applicable media are air and non-corrosive gases.
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Product Description
- Applicable range (Pa) 105~1.3X10-4 105~1.3×10-6 (shaft seal material is bellows)
- Valve leakage rate (Pa.L/S)≤1.3×10-5 (shaft seal material is rubber) ≤1.3×10-6 (shaft seal material is bellows)
- Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
- Main parts of the valve are made of stainless steel or carbon steel
- Any installation position
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