TankSafe® Optimum: Premium Protection

For fleets seeking comprehensive fuel security, the Optimum device delivers:

  • Three‑fold defence – one unit stops siphoning, skimming and over‑filling thanks to a patented float mechanism.
  • High‑speed refuelling – designed to handle more than 140 litres per minute, minimising downtime.
  • Built from durable alloy to last—fits seamlessly with your existing fuel caps.
  • Rapid return – customers typically recover their investment in a matter of weeks due to reduced diesel losses.

TankSafe® Optimum — Complete Diesel Theft Prevention for High‑Volume Fleets

Engineered for heavy and extra‑heavy trucks consuming over 4,000 litres per month and tank capacities above 200 litres, TankSafe Optimum combines anti‑siphon, anti‑skimming and spill‑prevention functions in a single device. Key highlights:

  • Cut waste and increase uptime with our rapid-return diesel protection device.

  • Patented float‑valve technology locks the tank immediately after refuelling, blocking siphoning and skimming.

  • Full tank protection eliminates over‑filling and prevents hazardous spills—reducing health, safety and environmental risks.

  • OEM‑compatible and tamper‑resistant design fits seamlessly with factory fuel caps and features robust aluminium construction.

  • Quick installation and a three-year warranty for long-term peace of mind.

Optimum is ideal for fleet operators seeking a next-generation diesel anti-siphon device that protects every litre and delivers a rapid return on investment.

by TankSafe® - CEO

Tanksafe Optimum 9 (1)
Tanksafe Optimum 9 (2)
Tanksafe Optimum 9 (1)
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TankSafe Optimum

High‑flow performance

High‑flow performance enables refuelling rates above 140 litres per minute, minimising downtime.

Patented float‑valve technology

Locks the tank immediately after refueling, blocking siphoning and skimming.

ROBUST 6MM THICK CHAMBER.

Anti‑siphon apertures prevent narrow gauge tubes (6 mm+) from bypassing the device.

UNIQUE FLOAT VALVE

PREVENTS ANY 'SKIMMING OF FUEL AND OVERFILLING.
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Fuel’s Only Safe When It’s TankSafe® Winner of two UK Queen Awards for innovation in fleet fuel security. Over 3Million Fuel Tanks Saved Worldwide
Fuel’s Only Safe When It’s TankSafe® Winner of two UK Queen Awards for innovation in fleet fuel security. Over 3Million Fuel Tanks Saved Worldwide