Electro High Vacuum Flapper Valve
GDC-J Electro High Vacuum Flapper Valve Introduction GDC-J electro high vacuum flapper valve is powered by electromagnetic force to drive valve disc directly, thus to make the valve open or close. It is applicable for vacuum system to cut off or put through the airflow. When valve is closed, and...
- Product Introduction
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Introduction
GDC-J electro high vacuum flapper valve is powered by electromagnetic force to drive valve disc directly, thus to make the valve open or close. It is applicable for vacuum system to cut off or put through the airflow. When valve is closed, and there is atmospheric pressure above the sealing face and vacuum below the sealing face, here the sealing effect is the best. Applicable medium can be pure air and noncorrosive gases.
Specification
Applicability | 105~1.3×10-4Pa |
Valve Leak Rate | ≤1.3×10-4Pa.L/S |
Applicable Temperature | -30~+50℃ |
Coil Temperature Rise | ≤65℃ |
Open-close Time | ≤5S |
Mains Voltage | 220v/50Hz |
Mounting Direction | Any installation direction (anti-top one atmosphere) |
Frequency | ≤6 times/min |
Peak Current | ≤12A |
Power Dissipation | ≤8w |
Materials of Main Parts
Body and disc：carbon steel and stainless
Sealing element：NBR, Viton, bellows (shaft seal)
Overall and Connection Dimensions (mm)(GB4982)：
Model | DN | D1 | D | A | B | H |
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 |
