Overfill Prevention Valves

Overfill Prevention Valve for Petroleum Fuel Tanks

At Neftgen, we supply high-reliability Overfill Prevention Valves (OPV) designed to ensure maximum safety and environmental protection during fuel tank filling operations.

Designed for underground and aboveground atmospheric tanks, our systems provide complete automatic shut-off — ensuring total spill protection.

Key Features

  • Automatic total shut-off overfill protection
  • For diesel, gasoline and petroleum liquids
  • For underground & aboveground tanks
  • All-metal maintenance-free construction
  • Gravity or pumped filling compatible
  • Easy manhole installation
  • Individually tested and serialized

Advantages

  • No maintenance required
  • High reliability in fuel environments
  • Long service life
  • Guaranteed closure safety

Technical Characteristics

  • DN50 – DN80 – DN100 sizes
  • BSPP F/F connections
  • -25°C to +60°C operation
  • Up to 84 m³/h flow
  • Up to 8 bar pressure

Standards & Compliance

  • ATEX 2014/34/EU
  • EN 13616-1:2016
  • KIWA BRL-K636/03
  • ANSI / UL / ULC 2583

Technical Documents

OPD Datasheet Download PDF
DoP DN100 Download PDF
DoP DN80 Download PDF
DoP DN50 Download PDF
Installation Manual Download PDF
Comparative Table Download File

Maximum Safety for Your Fuel Systems

Contact Neftgen Engineering for technical consultation and project integration.

Contact Engineering Team