Description :
Tenders for Supply Of Corrugated Flexible Ducting For Machine Room Ventilation As Per Clw Drg No. 1209-11.344-051, Alt-1 Or Latest. (a) Od-104mm Plus Upto 3mm And Minus Upto 4mm Approx. (b) Length 450mm Plus 20mm Minus 5mm (c) Materials Neoprene Rubber With N T S Wire Of 1.5mm. (d) Variations In Test Results - Physical And Chemical Approx. Upto Plus/minus Fifteen Percent To Be Accepted.
