VN Series HVAC Nitrogen-Purging Regulator/Flowmeter, 35 to 25 SCFH Purge/3 to 6 SCFH Braze, 5-1/2 in L, CGA-580 ORS NASCO pipe plugs and fittings|Securely grips

VN Series HVAC Nitrogen Purging Regulator Flowmeter, 35 to 25 SCFH Purge 3 to 6 SCFH Braze, 5 1 2 in L, CGA 580 ORS NASCO pipe plugs and fittings Securely grips pipe plugs and fittings Securely grips and turns pipe from the inside Each is plainly marked showing drill size used when solid ends of plugs and fittings must be drilled to receive extractor and brazing applications Ensures pressure tight connections made in seconds Built in automatic reset check valves prevent reverse flow of gas by cutting off the gas under back pressure Oxygen and fuel gas models are not interchangeable in order to prevent wrong connections Color coded for fast