GDC-J electromagnetic high vacuum flapper valve GDC-J-type electromagnetic high vacuum flapper valve is directly driven by the electromagnetic force as a driving force valve plate movement, the valve on or off. Suitable for vacuum systems, used to cut off or turned airflow. Applicable medium can be pure air and non-corrosive gases. Main technical performance Scope: Applicability 105 ~ 1.3 × 10-4Pa valve leak rate: Valve Leak Rate ≤1.3 × 10-4Pa.L / S Temperature:. Applicability -30 ~ + 50 ℃ line around the rise: Coil Temperature Rise ≤65 ℃ opening and closing time: Open-close Time ≤1S supply voltage: Mains Voltage 220V / 50Hz Mounting direction: Mounting Direction arbitrary (reversible top atm) the main part materials body, valve plate: carbon steel or stainless steel Seals: nitrile rubber, fluorine rubber bellows (seal). Shape and connection dimensions (mm) Model Model DN D1 DABH GDC-J16 (b) 16 17.2 30 40 55 193 GDC-J25 (b) 25 26.2 40 50 60 203 GDC-J32 (b) 32 34.2 55 58 70 237 GDC- J40 (b) 40 41.2 55 65 70 244