TRADEPRO® TP-NR800 is a durable brass piston designed diaphragm Nitrogen Regulator with a Delivery Pressure 0-800 PSI for purging and pressure testing air conditioning and refrigeration systems. It has a CGA580 inlet connection, 1/4" male flare outlet connection, self re-seating relief valve (not designed to protect downstream system) and easy-to-read 2" contents and delivery gauges for 0 - 4000 PSI with protective rubber gauge boots (GB20S).
For smooth accurate delivery pressure adjustment, there is a large brass tee handle with a stainless steel pressure adjusting screw and regulator bushing that prevents galling.
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov