Caleffi 255 Solar Pump Stations from Bjorn Johnson Mechanical

Bjorn Johnson Mechanical supplies the Caleffi 255 system filling hand pump that is a solar pump station. The solar pump station is used to transfer heat from solar collector to hot water storage tank. The system filling hand pump is a pre-installed model that is tested for leak. The solar pump station comes with all fittings and safety devices that are important to run a solar thermal system. The solar pump station features an air vent meant for solar thermal system’s manual bleeding.

The Caleffi 255 system filling hand pump features ball valves in the return and flow. These ball valves along with check valves help to avoid gravity and thermo circulation. The solar pump station is equipped with a flow meter that displays flow rate. The flow meter can also be used to set the flow rate. The pressure gauge of the system filling hand pump shows the pressure of the system. The pump station offers three speeds to suit different flow rates.

The Caleffi 255 system filling hand pump is made with a brass body. The solar pump station, offered by Bjorn Johnson Mechanical, uses either glycol solution or water as the heating medium. The maximum working temperature and working pressure of the hand pump are 180 degrees Celsius and 150psi, respectively. The maximum return flow meter temperature of the pump station is 130 degrees Celsius.

Source: http://bjornjohnsonhvacservice.com/