Ratio Regulators are used to maintain a precise gas-air ratio for Nozzle mix burners which use low pressure air & gas.

These regulators are automatically proportion the gas delivery pressure in response to varying air impulse pressure.

Type of Regulator Inlet Pressure Range Outlet Pressure Range Gas Flow Capacity End Connection Gas
R8501 100 Mbar Air Impulse Pressure 50 to 750 mmwc 0 - 50 Nm3/hr 1" / 1.5" / 2" BSP (INT) Natural, LPG, Biogas