| | Sector | abcRailways Transport Services | Tender Value | N.A. | | Location | West Bengal - India | Ref.No | 74714374 | | Closing Date | 09 - Sep - 2024 | | | Supply of rotary screw electric driven air compressor.
1.rotary screw electric driven air compressor i) capacity (free air delivery)-300 cfm ii) normal working pressure 9.5 kg/cm2 iii) maximum unloading pressure 10.0 kg/cm2 iv) type of drive direct gear drive v) cooling system air cooled vi) main motor(nominal rating) 55 kw with sf 1.2 vii) motor details a) motor type- sq.cage induction motor,tefc type,b) type of protection-ip55, c) motor efficiency-ie2, d) power supply- 415 v, 3 ph, 50 hz) insulation f class insulation,temp rise f viii)starter-star delta ix)no.of stages-single x) dimensions in mm(l x bx h)-approximate 1930 x 925 x 1530 mm xi) outlet size 1.5 bsp xii)weight of the compressor 1050-1500 kg(approx) xiii)noise level 78+3 dba as per iso 2151 second edition 2.refrigerated air dryer i) capacity 500 cfm ii) max.pressure 16 bar iii) dimensions in mm(l x b x h) -800 x 1000 x 1350 mm (approx) iv) electric supply-415 v,50 hz,3 phase v) refrigerant type r 134 a vi) cooling air fan flow(m3/hr) 5414 3.air receiver i) capacity in 1 m3 (1000 ltr) ii)max.pressure 10.5 kg/cm2 iii) standard accessories pressure gauge, safety valve, manual drain valve 4. maintenance spare/consumables(including filters, separators etc and recommended 40 lit engine oil) with maintenance tool kit i) air filter 10 nos ii) oil filter element 20 nos iii) element separators 5 nos iv)suction fre filter 5 nos 5.foundation ,installation and commissioning of air compressor, air dryer &air receiver and seamless air piping of suitable board between compressor, air dryer and air receiver including sockets, nrvs ,tee/elbow joints and isolating valve. 6.electrical power supply cabling with cable, main |
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