MATERIALS OF MAIN PARTS
300X slow closing check valve is installed on water supply system of high buildings and pump outlet of other water supply systems, it is a intelligent valve to prevent medium reflux and water hammer. The valve has three functions of electric valve,non-return valve and water hammer dewaterer, it can improve safety and reliability of water supply system effectively, and make the technology of slow opening, quick closing, slow closing and avoid water hammer in integral, prevent pump opening hammer and pump closing hammer occurs.