Tender For heavy duty circular magnet with following specification 1. application- circular lifting magnet suitable for lifting cold as well as hot ferrous material up to 600?c in a foundry environment 2. operating voltage-220vdc 3. cold current- max.105 amps 4. cold power- min. 18.5 kw 5. self weight- total self-weight of the magnet shall not exceed 5 tons, inclusive of suspension chain, master bail, lugs, pins, and all other accessories 6. duty cycle- min 50% at a 10-minute cycle 7. magnet diameter- 1650 mm with tolerance of -25.5 mm/+50 mm 8. minimum lifting capacities- the lifting capacities of the magnet shall not be less than the following: a) pig iron (1 hm)-2359 kg, b) pig iron (2 broken)-1225 to 1497 kg, c) steel turnings-771 kg 9. magnet conductor & insulation- magnet conductor shall be made of premium electrical-grade copper, minimum copper purity shall be 99.99%, coil insulation shall be class "h" 10. magnet body construction- the magnet shall be made of high-grade cast steel, of welded construction, and shall be waterproof and mechanically robust, suitable for heavy-duty foundry applications 11. bottom plate & sealing plate- a)heavy duty non-magnetic bottom plate and sealing plate shall be provided,b) material shall be wear-resistant, work-hardened manganese steel, c)plates shall protect the coil from damage due to impact, abrasion, and bumping 12. suspension chain assembly- a)heavy duty, annealed alloy steel, 3-legged chain shall be provided, b)chain shall be complete with a master bail suitable for crane hook suspension. heavy-duty lugs & pins shall be provided toconnect the chain to the magnet 14. surge protection? a suitably rated surge suppressor shall in the magnet circuit 15. testing & test certificates? all relevant tests and test certificates shall be submitted along with the supply. specn: 1. cold current: max 105amps, 2. cold power: 18.5 kw 3. self weight less than 5ton inclusive of chain, bail and other accessories. duty cycle: min. 50% at 10minutes cycle 5. diameter of magnet: 66inches -1 inch +3inch. 6. lifting capacities shall not be less than (a) pig iron1hm - 2359kgs) (b) 2 broken pieces: 1225 (c) steel turnings: 771kg ]
28 Jul, 2026
NA
