Klargester NSFA30 Full Retention Separator

Excl Vat



Our full retention separators or petrol interceptors can be used in car parks, roadways, fuel distribution depots, vehicle workshops and forecourts. Full retention separators treat the full flow that can be delivered by the drainage system. This is normally equivalent to the flow generated by a rainfall intensity of 65mm/hr.

Each full retention separator design includes the necessary volume requirements for:

  • Oil separation capacity
  • Silt storage capacity
  • Automatic closure device
  • Oil storage volume
  • Coalescer (Class 1 units only)
  • Full alarm range available



  • Designed for easy installation, saving you time and money
  • Certified to EN858 - 1 and PPG3 for complete peace of mind
  • Class 1 and Class 11 design
  • Inclusive of silt storage volume
  • Extension access shafts for deep inverts
  • Oil alarm probe tube available (required by EN858-1 and PPG3)
  • Fitted inlet/outlet connections
  • Vent points within necks
  • Maintenance from ground level
  • GRP Chamber construction - light, high strength and durability
  • CE-marked in line with the CPR 2013


  • Flowrate 30 l/s
  • Drainage area - 1670m2
  • Storage Capacity (litres) - Silt 3000l / Oil 300l
  • Base to invert level - 1810mm
  • Base to oultet level - 1760mm
  • Min. Invert Inlet - 1000mm
  • Standard pipework dia - 315mm


Neck Extension also available.

Free delivery is included in the price of all products over €100. Delivery should be between 3-5 days normally. Larger tanks and custom made GRP products will have a 14 day lead time to site. We endeavour always to get products to site in the shortest time frame. Refer to our shipping policy for more detailed information.

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