ZYA9000 airbag piston water hammer absorber is a kind of white spoon equipment designed and manufactured by our factory to absorb water hammer residual pressure in water supply system by digesting extra-visual data and products. In the water supply system, when the pump fails or suddenly loses power and other reasons. Water hammer occurs when the water flow stops abruptly and begins to flow backwards. As you know, when the liquid flows inside the tube, it has kinetic energy, and when the liquid suddenly stops, its movement energy must be eliminated.