This is an open-loop thermosyphon solar water heater. Water circulates directly through the tank and the collector, so this is direct and quick. This system is very stable and with reliable performance. And it's the most economical and easy system among a
Full Port Ball Valve 1000WOG The full-bore ball valve is used to transport the ball valve on the pipe and the slagging medium pipeline. The full-diameter is used to facilitate the passage of the regular wax-sweeper. It is used in kilograms of pressure fro