1. Valve body, butterfly plate, valve stem outer surface and other direct contact with the media parts, all wrapped fluorine plastic.

2. The sealing pair is FEP (F46) or other materials combination, the friction coefficient is small, the opening and closing moment is low.

3. The flow characteristics tend to be straight, and the regulation performance is the best.

4. Simple structure, fast switching, 90 degree rotary opening and closing.

5. The electric pneumatic device can be configured according to customer needs to meet the requirements of the operation.