Keystone Check Valve – Duo Check
Mechanical check valve against water hammer this valve has the disc divided in two and held by means of a fixed bar, its design is to be able to operate more quickly since the closing element is divided and allows a smaller area in such a way that it responds more quickly to closing and opening.
Its main function is to contain the overpressure exerted by the counter flow of the water and to avoid as much as possible damage to the pipe, valves or pumps due to its wafer design, the handling and assembly of it is very practical compared to the traditional checks.