Powermaster OS1200 Centrifugal Oil Filtration Transformer Unit

The Powermaster OS1200 Centrifugal Oil Filtration Transformer Unit is a high-capacity transformer oil purification system designed to restore large volumes of heavily contaminated transformer oil in power stations, substations, and industrial electrical networks. The trailer mounted option allows for backing the unit up to the transformer for easy connection to the system.

Features & Specifications


Featuring a large vacuum chamber, powerful 60kW heater, and dual centrifuges, the unit efficiently removes water, dissolved gases, particulate contamination, varnish, and cellulose to submicron levels. An optional Fullers Earth treatment system further enhances oil quality by removing oxidation by-products, reducing acid levels, and restoring dielectric strength to approximately 75 kV. With a variable flow rate of up to 8,400 litres per hour and a trailer-mounted design for easy site deployment, the OS1200 delivers exceptional transformer oil cleanliness, reliability, and extended asset life.

The Powermaster range of transformer oil filtration equipment have reversible pumps and filter systems to deliver pristine oil to new transformers.

Standard Features Include:
  • 1000Lt Holding Tank
  • Dual Centrifuges  (8400 LPH Flow)
  • 3 stage 60kW Heater
  • Electronic Flow selection
  • Air Vacuum
  • Size Range: 4200-8400 LPH
  • Delivery & Suction Hoses
  • 10mtr power lead
  • Spare O-ring set
  • Manufactured to suit all electrical codes
Optional Extras Include:
  • Inline Fullers Earth attachment
  • Trailer Mounted for easy on-site deployment
  • Particle Counter
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