refrigeration compressors section

The oldest compressor line of Howden.  The WRV are suited with journal bearings and thrust bearings .  The model number  hold all information , for instance MK4/WRV255/130.50.789 indicate : standard compressor : Generation  4 – model range WRV- 25,5 cm rotordiameter- 1,3 x 25,50 indicates the working lengh of the rotors- 5.0 indicate the volume ratio.