The "water hammer" phenomenon occurs in closed pipes when the fluid is braked or accelerated in a very short time, due to the rapid closing of valves and taps or to the stop of a circulation pump.

It manifests itself through the propagation of overpressures and depressions along the pipes that can cause noise and damage to the entire system.

The water hammer shock absorber, installed near single lever mixers, solenoid valves, ball valves etc., prevents these negative eff