Brimmond Group have recently completed the design, manufacture and testing of an ATEX zone 1 (category 2) attic oil recovery system for a global operator's decommissioning project. The three skid system consisted of a duplex filtration skid with differential pressure gauge, a pneumatically powered pump skid and a metering skid to which a multi-phase flow meter will be fitted. Brimmond Group carried out extensive testing, including thermal imaging to provide its suitability for use within the hazardous environment, furthermore all wetted components had to be certified to NACE MR0175.

With a footprint of only 800mm x 1000mm for the Pump Skid and the requirement to safely lower the system 18 levels down the inside of a concrete production platform leg the system had to be designed within a compact certified lifting frame. All of the spool pieces where pre-designed using autodesk inventor allowing units to be assembled within a couple of days.

The extensive factory acceptance test included recording the pumps temperature increase on re circulation at full load, belt drive system temperature increases, maximum outlet flow and pressures at specific air supply volume and pressures.

  • ATEX Zone 1 (Category 2)
  • Maximum flow rate: 138 lpm
  • Maximum pressure: 18 bar
  • Pressure relief valve and back pressure regulator
  • Pneumatically driven
  • All wetted parts NACE MR0175 certified
  • Inlet and outlet pulsation dampening
  • Duplex filter skid
  • Pneumatic pump lube oil high level and low level shut down
  • All pipework pressure tested and radio-graphed