Working principle and purpose of the product:

When the valve supplies water from the inlet end, the water enters the main valve control room through a micro filter, needle valve, and one-way valve, and then drains downstream through a ball valve. Because the opening of the needle valve is smaller than that of the ball valve, that is, the drainage speed of the main valve control room is greater than the inlet speed, the pressure in 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 downstream.

When the pipeline stops supplying water, if the downstream water starts to flow back, a portion of the return water enters the main control room through the ball valve. Due to the action of the one-way valve, the return water cannot flow out of the main control room, causing the main control room to gradually increase pressure and slowly close the main valve.

The 300X slow closing check valve is an intelligent valve installed at the pump outlet of high-rise building water supply systems and other water supply systems to prevent medium backflow, water hammer, and water hammer phenomena.

Product Structure Features:

  The 300X slow closing check valve has three functions: electric valve, check valve, and water hammer eliminator, which can effectively improve the safety and reliability of the water supply system. And integrate the technical principles of slow opening, quick closing, and slow closing to eliminate water hammer, in order to prevent the occurrence of water hammer during pump start-up and shutdown. Just operate the water pump motor on/off button. The valve can automatically open and close according to the operating procedures of the water pump, with high flow rate and low pressure loss. Suitable for valves with diameters below 600.