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Secondary Compression Plate Seal “L” (CPL5)

Secondary Compression Plate Seal “L” (CPL5)

The Secondary Seal is a rim mounted system suitable for floating roof tanks of all sizes storing all grades of crude and refined products. The CPL5 Seal is designed to be installed whilst the tank is in service. The seal incorporates a compression plate, synthetic rubber wiper and vapour barrier membrane.
The compression plate can be made from either galvanised steel or stainless steel. The vapour barrier membrane is normally manufactured from polyurethane-coated nylon fabric with very low vapour permeability properties. PVC Nitrile, PTFE/Teflon or Firestop materials may be adopted depending of your requirements.

The seal design is such that all the fixings are on the outside of the seal; i.e. the tank shell side is completely smooth. The smooth outside surface of the seal ensures that the risk of damage is minimized if the roof is floating above the tank shell. The seal can be fixed to either a vertical upstand or horizontal angle. The dimensions of the compression plate can be varied to suit a wide range of nominal rim spaces. The wiper maintains approximately 65 mm contact with the wall of annular spaces

For more other designs, please head to our Floating Roof Storage Tank Seals page where you can find a range of internal and external tank seals.

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Material Specification:

Compression Plate:

1.6mm Galvanised Steel / 1.5 mm Stainless Steel


Clamp Channels:

Galvanised / Stainless Steel


Wiper:

Synthetic rubber


Vapour Barrier:

CS / PTFE / Polyurethane / Viton


Shunts:

Stainless Steel

Technical data:

Rim space:

200 mm ± 100 mm (standard)


Aromatic resistance:

100%

Alternative designs and specifications for the Secondary Compression Plate Seal “L” (CPL5) are available on request

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Applications

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