JTT series of gas booster pump for the two stage booster pump, can be very low pressure gas to high pressure. Driving gas is less than or equal to 8 bar, gas inlet pressure range of 1 to 10bar, maximum can be increased to 80 MPa, the entire pump all the aluminum alloy and stainless steel. The series pump is driven by the piston diameter of 160mm, both ends of the pump head with the exhaust cooling.