The BHFECH Large vacuum chambers are made up of various materials including aluminium, acrylic, stainless and other materials.5 gallon vacuum chamber with pump manufactured by Burhani Engineering Technology is used for scientific experiments and it has multiple ports for viewing and instrumentation. Buna Rubber O-ring is used for sealing application is medium range vacuum chamber with pump. In high vacuum machines , we use machined knife edges which fits in tight into the copper gaskets with the help of flange bolts.Thermal vacuum chamber price are commonly used in space simulation study.