AHP2-CR Air Driven Hydrotest Pumps - Medium Flow with Chart RecorderOutput pressures up to 42,500 psi Suitable for use with various fluids 6" dual scale vibra pressure gauge Fitted with integral single pen chart recorder with isolation valve. Supplied with 50 recorder charts and one black chart recorder pen. Infinitely variable output pressure and fluid displacement speed. Integral inlet air filtration and lubrication unit with air pressure gauge. Airline regulator for easy setting of input air and output hydraulic