182 Model: butterfly Gas Regulator 182 Connection: ø20mm (Inlet) Inlet Pressure: Max 0.6 Kpa (Max 6 bar) Outlet Pressure: 2.8 ~ 3.5 Kpa (28 ~ 35 mbar) Rate Flow: 2kg/hour Usage: For Normal Household Use Only (Low Pressure) ________________________________________________________ 181 Model: butterfly Gas Regulator 181 Connection: ø20mm (Inlet) Inlet Pressure: 0.05 ~ 1.0 Kpa (0.5 ~ 10 bar) Outlet Pressure: 0 ~ 0.2 Kpa (0 ~ 2 bar) Rate Flow: 0 ~ 0.6 Kpa (0 ~ 6 bar) Usage: For Commercial Use Only (High Pressure)