Pressure Reducing Fuel Regulator for Compressed Natural Gas Vehicles. Set Pressure: 100 psig – 6.9 bar. Maximum Inlet Pressure: 3600 psig / 248 bar. Outlet Pressure Ranges: 100 psig – 6.9 bar. Flow Capacity (approximate): Cv = 0.5. Remaining Parts: 300 Series Stainless Steel, Teflon®, Buna-N, Ethylene Propylene.