Product Review

SPARC's SP00021 is a durable brass piston designed diaphragm Nitrogen Regulator. Delivery Pressure is 20-600 PSI. Great for welding, purging and pressure testing air conditioning and refrigeration systems, filling shock absorbers, and may many other uses. Regulator has a CGA580 inlet connection, and 1/4 inch male flare outlet connection, self re-seating relief valve (not designed to protect downstream system) and easy to read 2 inch Contents Gauge 0-4000 PSI. For smooth & accurate delivery pressure adjustment there is a large brass Tee Handle with stainless steel pressure adjusting screw and regulator bushing that prevents galling. Maximum inlet pressure is 3,000psi. 2 Year USA based warranty with phone support!