Fire Fighting Onion Tanks

Onion Tanks

Flexion Onion Tanks are self-rising tanks, circular tanks / reservoirs or bladders that used for drinking water storage, disaster relief, firefighting, oil spill response, spill recovery, remote location and other environmental operations.

The onion bladder tank is requiring no aluminium structure or frame as they rise automatically as and when fluids are contained in the tank. Our onion tank are lightweight, air filled and very easy to set up.

Manufactured with high quality PVC or PU these tanks are flexible and oil resistant. Manufactured with state-of-the-art high frequency welding, these tanks are designed for durability and performance in harsh conditions. All tanks are folded for easy storage and transportation. They are available for storage in crates or bags.


  • Easy to mantle and dismantle.
  • No tools required.
  • Variants available to store potable water to hydrocarbons.
  • Ground mat and cover available.
  • Modular design.
  • Small to large storage capacities available.

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