300X slow closed check valve is an intelligent valve installed in the water supply system of high-rise buildings and other water supply systems at the pump outlet to prevent media backflow, water hammer and water hammer phenomenon. The valve has three functions of electric valve, check valve and water hammer eliminator, which can effectively improve the safety and reliability of water supply system. And the technical principles of slow opening, fast closing and slow closing to eliminate water hammer are integrated to prevent the production of open pump water hammer and stop pump water hammer. Just operate the pump motor opening and closing button, the valve can be automatically opened and closed according to the pump operating rules, with large flow and small pressure loss. Suitable for valves under 600 caliber.

Typical installation diagram