supply of rotary screw electric driven air compressor.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 driv e v) cooling system: air cooled vi) main motor(nominal rating): 55 kw with sf 1.2 vii) motor details: a) motor t ype- sq.cage induction motor,tefc type,b) type of protection-ip55, c) motor efficiency-ie2, d) power supply- 4 15 v, 3 ph, 50 hz) insulation f class insulation,temp rise f viii)starter-star delta ix)no.of stages-single x) dime nsions in mm(l x bx h)-approximate 1930 x 925 x 1530 mm xi) outlet size 1.5 bsp xii)weight of the compres sor 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) i v) electric supply-415 v,50 hz,3 phase v) refrigerant type: r 134 a vi) cooling air fan flow(m3/hr): 5414 3.air r eceiver i) capacity in : 1 m3 (1000 ltr) ii)max.pressure : 10.5 kg/cm2 iii) standard accessories : pressure gaug e, safety valve, manual drain valve 4. maintenance spare/consumables(including filters, separators etc and re commended 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, a ir dryer &air receiver and seamless air piping of suitable board between compressor, air dryer and air receiver i ncluding sockets, nrvs ,tee/elbow joints and isolating valve. 6.electrical power supply cabling with cable, main switch, mcb and other electrical accessories from source to compressor panel to be done by supplier. [ warran ty period: 30 months after the date of delivery ] ]