| 1 | ROLLER, CARRYING,RUBBER LINED, 88.9 MM DIA X 850 MM LONG, AS PER MFL DRG. 2-75-265 REV 6, SPECIFICATION:, 1.ROLLER BODY TO BE FROM QUALITY, ERW - CLASS C PIPE, 2.BEARING HOUSING TO BE FROM DEEP DRAWN, C.R.C.A STEEL WITH CLOSE TOLERANCES TO, ENSURE PROPER ASSEMBLY OF BEARING,, SEALS ETC., 3.PROVEN MULTY-LABYRINTH SEALING, ARRANGEMENT TO KEEP MOISTURE & VERY FINE, DUST AWAY (NOTE THE SERVICE CONDITIONS, IN OUR PLANT ARE HIGHLY DUSTY AND, CORROSIVE). A RAIN CAP ON THE EXTREME, OUTSIDE OF THE ROLLER ARREST WATER, ENTERING ALONG SIDE OF THE SHAFT AND A, BACK SEAL TO PREVENT GREASE ESCAPING TO, THE ROLLER ARE REQUIRED., 4.ROLLER SHAFT TO BE MADE FROM M.S.ROD, PREFERABLY BRIGHT DRAWN STEEL, 5.BEARINGS ,LABYRINTH AND SEAL CHAMBERS, ARE TO BE FACTORY GREASED WITH HIGH, GRADE GREASE SO THAT SUBSEQUENT GREASING, IN THE FIELD NEED NOT BE DONE.SEIZE, RESISTANT BALL BEARINGS(NO.420204), MUST BE FITTED, 6.SEAMLESS NATURAL RUBBER LINING, WHEREVER MARKED TO BE DONE TO A, THICKNESS OF 6MM +/- 1MM TO SHORE, HARDNESS A60 TO 65 EMPLOYING THE BEST, MATERIALS & METHODS., 7.ALL PARTS EXPOSED TO ATMOSPHERE SHOULD, BE COATED TWICE WITH EPOXY PAINT TO, ARREST CORROSION, 8.THE MINIMUM SERVICE OFFERED SHOULD BE, 12 MONTHS FROM THE DATE OF PUTTING INTO, SERVICE OR 18 MONTHS FROM THE DATE OF, SUPPLY., A SKETCH/CATALOGUE SHOWING THE ABOVE, FEATURES SHOULD BE ENCLOSED ALONG, WITH OFFER |
