GENTEC HP152T Series is a Dual-Stage High Purity Brass Regulator designed for High Purity applications where a consistent outlet pressure and flow are desired. Features and Specification: Body/Bonnet: Nickle-Plated Forged Brass Seat: PU 2in 316L Stainless Steel Diaphragm 2in Dual-Scale Pressure Gauges Maximum inlet pressure: 3000 psig Maximum outlet pressure: 250 psig Needle Valve outlet Operating temperature range: 0 to 140 degrees farenheit – 17 to 60 degrees celsius Weight: 3 lb 2 ozApplications: Calibration of Pressures Gauges & Test Equipment Applications where constant delivery pressure required Supply of carrier gases for Gas Chromatography