300X slow closing check valve consists of main valve, check valve, needle valve, ball valve, micro filter and pressure gauge to form a hydraulic control receiver system. Utilizing hydraulic automatic operation, it can make the main valve get the best opening or closing speed. Prevent the generation of water strike of water clock to achieve the effect of slow-closing muffling.

300X slow-closing check valve utilizes hydraulic self-control, does not require other devices and energy, easy maintenance, opening and slow closing smoothly.

300X slow-closing check valve is widely used in high-rise buildings, living areas and other water supply network systems and urban water supply projects.