Dragonfly Micro Oil Skimmer



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Oil skimmerSpecifications for the Micro Oil Skimmer ® 
Dimensions Drawing of Micro Floating Oil Skimmer

  • 440 x 440 x 156mm (17 3/8" x 17 3/8" x 6 1/8")
  • Draught: 150mm (6 inches)
  • Weight: 4kg (8lb 14oz)
  • Outlet: 32mm BSP (or as ordered) male fitting
  • Finish: light grey high gloss as moulded

Skimming rate

The Micro Surface Skimmer has been tested using 1,000 to 6,000-liter/hr positive displacement pumps. Their steady intake of liquid is ideal for use with floating weir skimmers.

Cut: 0 mm and greater

Suitable pumps

  • Double diaphragm pumps
  • Screw pumps
  • Small aquarium pumps
  • Siphon
  • Helical pumps
Resistance to heat

As the Micro Oil Skimmer is made of plastic it is not well suited for use in hot water, however this should not be a problem up to temperatures of about 55°C.

It would be an advantage in warm situations to drill a very small hole in the top of the floats to allow for the expansion and contraction of air inside. 

Floating media types
 
  • Aviation gas
  • Cement scum
  • Gear oil
  • Motor oil
  • Pre-treatment of kitchen wash water
  • Sawdust
  • Solidified fats
  • Vegetable materials

Construction

  • Body and floats: injection moulded acrylonitrile styrene acrylate (Luran S)
  • Floatation/ballast: air/ ilmenite
  • Internal floating head: closed cell cross-linked polyethylene foam
  • Internal weir tube: flexible nylon reinforced silicone
  • Stainless steel screws
  • Brass inserts

Dielectric properties

Luran S is an efficient dielectric, as is evidenced by the figures for the volume and surface resistivity, the dielectric strength, the resistance to tracking, the dielectric constant and the dissipation factor.

The main application for Luran S in electrical engineering is protective insulation, e.g. housings and covers. In telecommunications, it is used for housings and covers and also as true insulation.

An advantage of Luran S articles is that they pick up hardly any dust at average humidity's during manufacture, storage and use.

See BASF Luran® for more detail including data sheets

Resistance to chemicals

At room temperature. Luran S is resistant to saturated hydrocarbons, low-aromatic gasoline and lube oil. vegetable and animal oils, water, aqueous solutions of salts, and dilute acids and alkalis.

Luran S has even better resistance to environmental stress cracking than Terluran, because the constituent acrylic rubber is superior to the polybutadiene in ABS types.

It is attacked by concentrated inorganic acids, aromatic and chlorinated hydrocarbons, esters, others and ketones.

An idea of the resistance to any medium can be obtained by immersion tests and the determination of any attendant gain or loss in weight.

The action of a medium on a moulding is greatly influenced by the duration of exposure and the temperature. As a rule, it becomes more pronounced if the Luran S article is subjected to external or internal stresses.

Resistance may be affected by the impurities that are present in varying amounts in chemicals of technical purity.

To ensure compatibility physical tests should be made on the actual skimmer.

Permeability to gases and water vapour

The Luran S resins are impermeable to water, however gases and water vapour may diffuse through Luran S to an extent depending on the pressure difference.

See BASF Luran® for more detail including data sheets

Maintenance

The Micro Oil Skimmer does not require any particular care. Light scratches can be removed with most commercial plastic polishes. Clean with detergents, soap and water.

TopFloating Oil Skimmer
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