Standard Engineering Company manufactures Two Layered Borosilicate Glass made Evacuated Tube Collectors. Standard Engineering Company also offers various types of solar thermal system under the brand name ‘Sunbeam’. The Two Layered Borosilicate Glass made Evacuated Tube Collectors, Model 575 LPD, is used in homes, hotels, hospitals, hostels, and any other commercial and industrial applications. The Two Layered Borosilicate Glass made Evacuated Tube Collectors has vacuum layer between the two layers which provides superior insulation. The Two Layered Borosilicate Glass made Evacuated Tube Collectors can withstand pressures up to 0.6 Mpa. The Two Layered Borosilicate Glass made Evacuated Tube Collectors has rubber seals and rings made of stabilized high temperature silicone rubber. The Two Layered Borosilicate Glass made Evacuated Tube Collectors have hail resistance of 25mm.