Victor® HSR 2530 Single Stage Medium Duty Nitrogen/Air Calibrations Regulator And Flow meter Combination offers 10 - 60 SCFH of delivery and is ideal for MIG or TIG applications. Regulator with maximum inlet pressure of 3000 psig features a forged brass body with housing cap and has 2" high pressure gauges with fabric reinforced neoprene diaphragm. Regulator comes with 580 CGA inlet connection having bronze sintered filter and 5/8"-18 RH(F) outlet connection for giving long lasting service. Regulator has an external reseating relief valve and a stem type seat mechanism with 2 gas calibrations. Regulator measuring 7" X 4 1/4" X 6 1/4" has preset low surge outlet pressure of 25 psig.