supply of twin tower heatless regenerativetwin tower heatless regenerative,supply of twin tower heatless regenerative type air dryer to rdso/spec n.no.mp.0.01.00.06 (rev.06) march 2021 except clause no.7.3 and 7.7 as per rdso approved model no,orifice size and qap. the firm shall submit a copy of the approval letter o f rdso mentioning the approved model no.orifice size and qap. *the flange connecti on of inlet and outlet pipes should be 1 1/4 bsp as per rdso drg no-sk dp 3566(annexu re-4 of the governing specification) firm shall include the following ,suitably by e mbossing /engraving on the name plate 1) model no- 2)orifice size 3)coach applicatio: hhpdmu. [ warranty period: 30 months after the date of delivery ] furnishing depot/icf,chennai, tamil nadu 12.00 set => limited