Air Rite offers two stage compressor pumps that are available with head unloaders for dual control operation and use B10 bearings designed with a life of over 8000 hours. The Two-Stage reciprocating pumps are capable of running 100% duty cycles required by heavy duty, industrial applications. The pistons are forged aluminum alloy (low pressure) and precision cast iron (high pressure). Its Crankcases are precision machined iron, with CNC ground bearing journals. It is used Swedish Steel valves that are stress relieved and assembled with lapped discs to provide long life. Whatever your need, requirement, and budget you can count on finding the right equipment at an affordable price at Rite Products.