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APOLLO VR-550 CNG / NGV COMPRESSOR

 

 

DOWNLOAD APOLLO VR-550 CNG COMPRESSOR BROCHURE

 

Summary specifications for the APOLLO range of CNG compressors is as below:
   
Make and Model UNIGAS APOLLO VR-550
Compressor configuration Vee-90
Number of Cylinders 4
Number of stages 4
Compressor design Pressurised crankcase, trunk piston
Gas inlet pressure (min-max) 0.345-1.035 barg (~5 - 15 psig)
Gas discharge pressure 250 barg (~3,600 psig)
   
Gas discharge capacity @ 15 psig 400 Nm3/hr, 110 kW motor, 697 rpm
Gas discharge capacity @ 15 psig 340 Nm3/hr, 90 kW motor, 581 rpm
Gas discharge capacity @ 8 psig 300 Nm3/hr, 90 kW motor, 697 rpm
[at an ambient temperature of 15 deg C and sea level altitude; tolerances on discharge capacity +/- 5%]
   
Compressor speed 697 rpm (max.)
Compressor pulley outside diameter 650 mm
Piston stroke 174 mm
Piston speed 4 m/sec (max.) @ 697 rpm
   
Cylinder bores -  
1st stage 210 mm
2nd stage 127 mm
3rd stage 65 mm
4th stage 35 mm
   
Cylinder jacket cooling water
Inter-stage gas cooling water
Gas after-cooler water
Cooling system Cooling Tower (70 RT min.)
Water circulating pumps Electric motor driven centrifugal pumps, 2 nos;
  250 litres/min @ 10m head
   
Electric Motor size options 110kW (150hp) for 400 Nm3/hr @ 15 psig inlet
  90 kW  (120hp) for 340 Nm3/hr @ 15 psig inlet
  90 kW  (120hp) for 300 Nm3/hr @ 8 psig inlet
   
Lubrication pressurised full flow oil filter with internal relief and oil 
  cooler. Pressure fed big-end bearings, splash lubricated
  main bearings, small-end bearings and pistons
   
Crankcase oil capacity 22 litres
Direction of rotation Anti-Clockwise viewed from drive end
Ambient temperature range 0 - 50 deg C
   
Overall Dimensions & Weight 2.4 m Wide x 1.8 m Deep x 2.0 m High approx.
  3,500 kgs (without oil & water) approx.