Valve AS-A/Y-35-10 relieves the surge waves created by the rapid changes of flow during the phase of negative pressure or excessive pressure.

Valve AS-A/Y-35-10 is a pioneering valve for the protection of the pupms because it is equipped with a special software with the hammer shock parameters. The regulation is done in the factory based on the network data: flow, size, length and pipe material, static pressure, etc.

It prevents the negative pressure waves and relieves teh excessive pressure by the means of a pilot and a solenoid valve 12V or 24V. In case of power failure the pilot is activated.