... pipe solar collector, solar water heater, solar collector, evacuated tube & heat pipe, solar renewable energyApricus advantages1. Solar Keymark, ... to category C cyclone)• Snow loading Apricus Solar Collector SpecificationsComponentsMaterial & SpecificationsEvacuated TubesMaterial: Borosilicate 3. ... Average >50mmSolar Collector OperationStep 1: The absorber coating on the inner glass tube absorbs ...