- - - - - - - - - - - - - - - PP-HL Series Pressures >From 0 to 31,900 PSI PP-HL pumps are compact, lightweight and hand-operated. They are ideal for precision pressurization in calibration of gauges and pressure transducers. They also offer the ability to generate pressure when there is little or no air pressure available. > More Detailed Product Information - - - - - - - - - - - - - - |