e-tender no. 97 / 2021-22 / ewc-mrt supply of gasket set made of rubberized cork sheet suitable for 25 kva to 100 kva tf ( ii ) supply of gasket set made of rubberized cork sheet suitable for 250 kva to 400 kva t / f and as per specification , gasket set made of best quality rubberized cork sheet rc-70c conforming to is 4253 ( part-2 ) with latest amendment ) for use in repairing of 25 kvato 100 kva distribution transformers ) each gasket set consists of gasket washer as per following detail:- ( a ) gasket washer size dia od 110 mm, id 75 mm, 6mm thickness, - 03 nos. ( b ) gasket washer size dia od 50 mm, id 28mm, 6 mm thickness -12 nos. ( c ) gasket washer size dia od 32 mm, id 12 mm, 6mm thickness- 04 nos. total 19 nos. washer pieces in one set & as per sample and enclosed drg.. each set will be packed in environmental friendly poly bag. ( tolerance in size + / - 0.25 mm, negative tolerance in thickness is not allowed ) , gasket set made of best quality rubberized cork sheet rc-70c conforming to is 4253 ( part-2 ) with latest amendment ) for use in repairing of 250 kva to 400 kva distribution transformers ) each gasket set consists of gasket washer as per following detail:- ( a ) gasket washer size dia od 110 mm, id 75 mm, 6mm thickness, - 03 nos. ( b ) gasket washer size dia od 82 mm, id 48mm, flat length 42, flat to flat 70 mm, 6 mm thickness -04 nos. ( c ) gasket washer size dia od 70 mm, id 45 mm, 6mm thickness- 04 nos. ( d ) gasket washer size dia od 65 mm, id 45 mm, flat to flat 28 mm, 6mm thickness- 04 nos. ( e ) gasket washer size dia od 48 mm, id 22 mm, 6mm thickness- 04 nos. total 19 nos. washer pieces in one set & as per sample and enclosed drg.. each set will be packed in environmental friendly poly bag. ( tolerance in size + / - 0.25 mm, negative tolerance in thickness is not allowed )