KMC/WS/GJKBPS/25-26/09

SUPPLY AND DELIVERY OF HEAVY DUTY WORM GEARBOX(WITHOUT HANDWHEEL) SUITABLE FOR BUTTERFLY VALVE. SPECIFICATION OF GEARBOX: MODEL AT-150/1/S2E GEAR RATIO(MINIMUM) 450:1, RATED OUTPUT TORQUE 15000NM, SHAFT DIA 80MM, MOUNTING:F25, KEY SLOT LOCATION AT CLOSE/OPEN: 12 O'CLOCK/3 O'CLOCK, MATERIAL OF CONSTRUCTION A) HOUSING/COVER-CI IS:210 FG 200, GEAR-DI, SGI 500/7, WORM/PINION SHAFT-CS IS:45C8, WORM WHEEL-DI SGI 500/7 IS SUITABLE FOR SHAFT DIA. UPTO 100MM. (RATE ANALYSIS APPROVED BY C.E.O. & EO DG DTD. 27/08/2028)

SUPPLY AND DELIVERY OF THE HANDWHEEL FOR ABOVE GEAR BOX.(RATE ANALYSIS APPROVED BY C.E.O. & EO DG DTD. 27/08/2028)

REMOVING THE GEAR BOX FROM THE B/F VALVE USING NECESSARY ATTACHMENT CHAIN PULLEY PULLER, TOOLS AND TACKLES ETC PER DIRECTION OF EIC (FAIR RATE APPROVED BY DG(WS) DTD 20/12/2018)

DISMANTLING THE GEAR BOX COMPONENTS SUCH AS WORM GEAR, SECTOR PINION, SPUR GEAR ATTACHMENTS, KEY, BEARINGS USING PULLER AND OTHER NECESSARY ARRANGEMENT WITHOUT DAMAGING ANY COMPONENT WITH NECESSARY WORKS ETC COMPLETE AS PER DIRECTION OF EIC (FAIR RATE APPROVED BY DG(WS) DTD 20/12/2018)

SUPPLY AND DELIVERY, FITTING FIXING OF GOOD QUALITY "O" RING AND OIL SEAL. (FAIR RATE APPROVED BY DG(WS) DTD 20/12/2018)

FITTING FIXING THE GEAR BOX WITH THE EXISTING VALVE SHAFT MAINTAINING PROPER ALIGNMENT AND ADJUSTMENT OF THE SECTOR PINION, FITTING OF KEY, TIGHTENING THE MOUNTING BOLTS, ADJUSTMENT AND FIXING STOPPER BOLT ETC AND TO ENSURE FULL OPEN/CLOSE AT 90 DEGREE ROTATION (FAIR RATE APPROVED BY DG(WS) DTD 20/12/2018)

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