Southern Cogen Systems Pvt. Ltd. Manufactures Back Pressure Steam Turbine. Southern Cogen Systems Pvt. Ltd. Is the supplier of gas burners, duo block gas burners and oil gas burners used in industrial furnaces and boilers. Back Pressure Steam Turbine can be installed in parallel with the pressure reducing station. Back Pressure Steam Turbine combined heat and power scheme produces Additional power with little or no extra cost. This steam turbine is equipped with both throttle valve controls and PLC controlled, in-built safety systems, ensure trouble free operation.