ONE. Product Overview

300X slow closed check valve is 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 strike phenomenon of intelligent valve. The valve has electric valve, check valve and water hammer eliminator three functions, can effectively improve the safety and reliability of the water supply system, and will slow opening, fast closing, slow closing eliminate water hammer technology principle integration, prevent the production of open pump water hammer and stop pump water hammer.

Working principle:

When the valve feed water from the inlet end, the water through the micro filter, needle valve, one-way valve into the main valve control room, and then through the ball valve drainage to the downstream. Because the needle valve opening is less than the ball valve opening, that is, the drainage speed of the main valve control room is greater than the water inlet speed, so the pressure of the control room decreases, and the inlet pressure acting on the lower end of the main valve disc opens the main valve to supply water to the downstream.

When the pipeline stops supplying water, if the downstream water begins to backflow, part of the backflow water enters the main control room through the ball valve. Due to the function of the one-way valve, the backflow water cannot flow out of the main control room, causing the main control room to gradually increase the pressure and slowly close the main valve.

Two.product features

1, 300X slow closing check valve by the main valve, check valve, needle valve, ball valve, micro filter and pressure gauge composed of hydraulic control over the system. Using hydraulic automatic operation, can make the main valve to get the best opening or closing speed. To prevent the occurrence of water, to achieve the effect of slow closing and muffling.

2, this product uses hydraulic self-control, does not need other devices and energy, easy maintenance, open and slow closing steady.

3, this series of valve products are widely used in high-rise buildings, living areas and other water supply pipeline system and urban water supply projects.