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Product description：

The JLH multifunctional three-in-one check valve produced by our company consists of valve seat, valve stem, spring disc, guide sleeve and other parts in the valve body. This valve has three functions of cut-off, check and throttling. It is mainly used at the outlet of water pumps or other pipelines to prevent liquid backflow. It can effectively prevent the water hammer impact and noise produced by ordinary check valves when liquid is backflowed. It is a replacement product for check valves. The three-in-one check valve is installed on the pump outlet of general buildings, apartments and factories for water supply and drainage, hot and cold water treatment, boiler condensate, and secondary water supply pipelines to prevent the medium in the pipeline caused by the pump stopping. Backflow. Accelerated closing spring is installed, using the principle of quick closing to prevent water hammer, prevent medium backflow, and achieve silent closing; equipped with an opening indicator, by adjusting the opening, the output of the water pump can be adjusted; closing the valve stem can start to the shut-off valve

Installation and adjustment:

1. When installing, pay attention to the water flow indication outside the valve body, install according to the direction of water flow, vertical or horizontal installation is acceptable.

2. Adjust the opening of the valve stem to change the flow rate, which can be displayed on the opening indicator.

3. Tighten the valve stem clockwise to cut off the medium and play the role of a stop valve.

Installation diagram:

Material of main parts: