1986 First installation of light oil burners in biscuit ovens.
1994 First installation of pre-heated air burners which recover losses from 2% to 6% by reducing Flue gas temperature; breaking the barrier of efficiency from 88% to 92%.
1998 First installation of O2 trimming, that recovers heat loss and increases the overall efficiency from 1 to 1.5%.
2000 First installation of VFD on motor operation to save electrical power.
2002 First installation of new O2 trimming technology with microprocessor.
2003 First installation of heavy oil burners in biscuit ovens.
2004 Introduction of digital combustion technology in India.
2008 First boiler to come to India with 106% efficiency on NCV equipped with Weishaupt burner.
2012 First 20 TPH boiler with single furnace commissioned at Ceat Ltd, Mumbai with a Weishaupt burner.
2012 First hot water generator of 25 lac Kcal commissioned at Amul Dairy, Mumbai.
2016 First 40TPH fire tube steam boilers installed at GACL, Dahej and commissioned with Weishaupt burners.
Rajni Group performs over 50 retrofit jobs per year and gives a ROI of maximum 1.5 years to our customers.
Installed 12 pre-heated air burners in Flex India Limited.
The sophisticated technology of Parallel Operation heat for hot air generators of spray dryers was supplied for L&T, India.
The new technology of O2 trim with speed control was introduced in Asia at Ruby Mills Mumbai.
Introduced Low NOx Burners in India.
Introduced PLN (pre-mixed Low NOx burner) by Weishaupt.