DESMI Terrapin Self-Adjusting Industrial Weir Skimmer

DESMI Terrapin Self-Adjusting Industrial Weir Skimmer

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The Terrapin industrial weir skimmer is a self-adjusting weir skimmer ideal for installation and deployment in tanks, industrial separators, wells and sumps where floating oil and other floating liquids need to be recovered.

At the heart of the Terrapin is the self-adjusting weir that automatically sets the depth of the weir according to the pumping rate. Pump faster and the weir will sink lower and take a deeper cut. Pump slower and the weir will rise up and take a finer cut.

The Terrapin has been designed with industrial applications in mind. The unit may be used free floating with a 1¼ in suction hose connected to the underside. Alternatively a suction hose, connected to the top of the skimmer, can suspend the Terrapin.

The diameter of the Terrapin industrial weir skimmer is only 410mm, which permits access into drains and through manholes in storage tanks. This skimmer may be considered for hazardous areas.

The Terrapin is constructed from marine grade stainless steel, moulded polyethylene and polyurethane – making it resistant to oils and many environments found in industrial applications.

As the skimmer is intrinsically safe, it is ideally suited to applications in such safety-conscious industrial environments.

Advantages of the Terrapin industrial weir skimmer:

  • Self-adjusting floating weir skimmer that is ideal for industrial applications – tanks, drains, sumps, and oil separators
  • Top and bottom suction connections
  • 410 mm diameter
  • Shallow draught
  • Lightweight
  • Corrosion and oil resistant materials
  • Virtually maintenance free
  • Skimming up to 10,000 litres/hour
  • Low cost


DESMI designs and manufactures an extensive range of systems to recover oil and chemicals from the marine and inland environment. DESMI products include skimmers, booms, storage tanks, power packs, pumps, dispersant systems, vessels and ancillary items.

DESMI’s extensive range of containment booms and oil skimmers supports their oil spill response solutions which are highly trusted in the industry. Whether the requirement is for offshore or shoreline areas; the arctic or equatorial environment, DESMI delivers proven solutions for all spill conditions and offers outstanding life-cycle costs.


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