Solar Heater Expansion Vessel

Product Description
Closed-loop heating systems require an expansion vessel. The expansion vessel has a chamber in which air is locked inside a bladder or diaphragm. It screws into standard 1/2-inch or 3/4-inch threaded plumbing fittings. When pipes are filled with a liquid medium (water and glycol), and the operating pressure of the system is set, the liquid will occupy a given volume based on the temperature. As the liquid is heated by the sun, it expands. This is where the expansion vessel is critical. Without it, some part of the system would burst! The solar heater expansion vessel allows the liquid to safely expand by compressing the air in the chamber. The size of the expansion vessel needed depends on the total volume of liquid, which is determined by the number and size of collectors, and the length and diameter of the pipes in the solar loop.

Our solar heater expansion vessel is suitable for a split pressurized solar water heating system. The maximum working pressure is 1.0 MPa. We can provide 5L, 8L, 12L, 18L and 24L expansion vessels to suit your various requirements.

Kaisundun is a professional solar heater expansion vessel manufacturer based in China. The wide variety of products we offer includes a solar water heater, heat pipe solar collector, wind turbine generator, solar panel, heat pump water heater, and much more.