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Dunphy
 

Dunphy 'TO' Series Commercial Burners 
 

'TO' series burners are inherently quiet due to the totally enclosed motor and fan design.When used with an inverter, the burner is almost inaudible due to the reduced fan speed at low firing rates.

The range is available in natural gas, bio gas, light and heavy oil and in dual fuel variants. All ‘TO’ gas modulating burners have the option of
integrating a PID controller.This enables direct connection of a PT100 temperature transducer to the burner allowing boiler or process
temperatures to be regulated to within +/- 1°C. Similarly in steam boiler application, a pressure transducer may be directly connected to the
burner enabling steam pressures to be regulated to within +/- 0.1bar.

MP-Sc modulating burners are available with built-in variable speed drives. Energy saving and high turndown ratios of 10:1 can be achieved through the use of an integrated variable speed controller.The inverter output is directly connected to the burner motor fan motor and is modulated up and down according to heat demand.This provides complete control of the air throughput and, as a result, control of the modulation turndown.