Requiring 100 psi of air pressure to operate, these pumps offer the highest generated pressure ratings of all our hydrostatic test pumps. Just set the air pressure regulator and these pumps automatically shut off at the set pressure and restart when pressure drops. All pumps include pressure gauges and have a Type 303 stainless steel body. Air inlet is 3/8" NPT female. Note: Perform pressure tests with water or hydraulic oil. Please specify max. psi generated: 1,000; 3,000; 6,000; or 10,000. (G) Bench Top— Pump is attached to a baseplate and has removable roll bars. It has a manifold and one pressure gauge with quick-disconnect fitting. (H) Portable— Easy-to-carry pump is mounted on a tubular-steel frame. It has a manifold and two pressure gauges with quick-disconnect fittings. (J) Mobile— With two 5" dia. polyurethane wheels, you can roll this pump right to the job site. It's mounted on a tubular-steel frame and has two pressure gauges.