supply of circular lifting magnet for lifting cold as well as hot material up to 600 degree c in foundry environment. deep field coil design , copper wound for 220v dc operation .heavy duty cast magnet designed for severe scrap handling duty similar to ohio make model 66dcwx, confirming to the following specification for single magnet characteristics ? 1 ) cold current-105 amps max. 2 ) cold power -18.5kw. 3 ) self weight should not be more than 5 ton inclusive of chain, bail and other accessories. 4 ) duty cycle : 50% at 10 minutes cycle. 5 ) diameter of magnet: 66 inches- 1 inch + 3 inch ( 1650 mm -25.5 mm / +50 mm ) . 6 ) lifting capacities shall not be less than: ( a ) pig iron: 1 hm-5200 lbs ( 2359 kgs ) . ( b ) 2 broken: 2700 -3300 lbs ( 1225-1497 kgs ) . ( c ) steel turnings: 1700 lbs ( 771 kgs ) . note: the tolerance in lifting capacity is + / - 25% of the above mentioned ranges under sl no.2 at all operating conditions. 7 ) magnet conductor shall be of premium electrical grade copper with 99.99% purity with class h insulation for maximum coil life under severe operation. 8 ) magnet shall be of high grade cast steel welded construction waterproof strength. 9 ) heavy duty, non magnetic bottom plate & sealing plate made of wear resistant & work hardened manganese steel shall be used to protect the coil from damage caused by impact including bumping plate. 10 ) additional protection from moisture & impact is to be provided to the coil with the use of non- magnetic manganese sealing plate. 11 ) heavy duty annealed alloy steel 3-legged chain with a master bail is to be provided. 12 ) heavy-duty lugs & pins shall be provided to connect the chain to the magnet. 13 ) suitable rating surge suppresser ( metro cell ) shall be introduced in the magnet. 14 ) all relevant tests and test certificates shall be submitted along with supply. for doing continuous load test, if there is no facility at firms premises, the manufacturer shall carry out these tests at rwf on sundays / non working days. 15 ) warranty:12 months from the date of installation or 18 months from the date of supply whichever is earlier. note: 1.test certificates shall be enclosed 2. stage inspection before closing the magnet. 3. tender shall indicate the service support available. [ warranty period: 12 months after the date of delivery ]