Metal seal or rubber seal.
1. Small size, Light weight, Compact structure, Easy maintenance.
2, Buffer device has appealing design, with compact structure and reliable performance. It is installed outside pipeline preventing medium from pollution.
3, Smooth running without vibration and noise.
4, Triple offset structure, with optimal face to face length which reduces flow resistance and eliminate pressure surge.
5, Perfect sealing; No Leaking.
6, Outstanding open and close capacity. Opening pressure≤0.08Mpa; Quick open and adjustable close speed. Closing movement includes two steps, first rapid closing step, and second slow closing step. The second slow closing speed is adjustable according to the specific condition.