Damping ball valve pneumatic butterfly valve can be divided into three types according to different installation methods: 1. ZT type pneumatic butterfly valve has anti-skid pads on the upper and lower seats. For power equipment with less interference, ZT type pneumatic butterfly valve can be directly placed under the base of the equipment, and the center of gravity can be moved and adjusted arbitrarily without fixing
2. ZT-I type is upper fixed type
3. ZT - Ⅱ can be fixed up and down to meet various installation needs