The function is to solve the problem of hot water backflow. Heating water from low temperature to high temperature to meet people's use of hot water in life and production. Solar water heaters are divided into vacuum tube solar water heaters and flat panel solar water heaters based on their structural shapes. Evacuated tube solar water heaters are mainly used, accounting for 95% of the domestic market share.
The function of this type of check valve is to only allow fluid flow in one direction and prevent flow in the opposite direction. Usually this type of valve operates automatically. Under the pressure of the fluid flowing in one direction, the valve disc opens. When the fluid flows in the opposite direction, the fluid pressure and the self-weight of the valve disc act on the valve seat. thus cutting off the flow.
Infodetailed information;
Important steps for installing check valves in solar water heaters:
Install Check Valves return Precautions regarding check valves;
1. Do not allow the check valve to support weight in the piping system. Large check valves must be independently supported so that they are not affected by the pressure generated by the piping system. .
2. When installing, please note that the direction of fluid flow should be consistent with the direction of the arrow marked on the valve body.
3. The lift-type vertical flap check valve should be installed on the vertical pipeline.