Our Products

Overfill prevention device N type for petroleum fuels 2", 3" and 4"

For the safety of storage tanks, SelfClimat offers you a complete range of anti-overfill devices, leak detection devices, alarms, gauges and measuring systems for the petroleum and petro-chemical fields, and also more generally for the storage of pollutant liquids.

Overfill prevention device for petroleum fuels 2", 3" and 4" (EX)


A mechanical overflow prevention device with 100% safety, preventing risks of overflowing.


Designed for domestic heating oil, diesel fuel, unleaded petrol and automobile fuels.

+ Product

  • Delivered ready to fit
  • An all-metal product containing no seals
  • Requires no maintenance, or adjustment
  • Works by gravity and pumping
  • All our overfill prevention devices are individually tested on a test rig to obtain a unique serial number
  • Satisfy the requirements of the NF EN 13616, KIWA, VLAREM and ATEX standards

Characteristics and standards

  • Available in DN50, DN80 and DN100
  • Working temperature: -25°C to +60°C
  • Flow up to 84 m3/h (depending on model)
  • Pressure up to 8 bar (depending on model)
  • Compliant with European standard: NF EN 13616
  • Compliant with Dutch standard: KIWA BRL-K-636/03
  • Compliant with American standard: UL 2583
  • Compliant with Canadian standard: CAN/ULC-S661-10 (R2016)