FLOATING ROOF OR SCREEN PERIPHERAL SEALS

The LARCO floating screen peripheral seals use various technologies to match your needs.

DJTC - DOUBLE COMPRESSION PLATE SEAL

APPLICATION :

  • External floating roof

TYPE :

  • Primary seal
  • Secondary seal
  • Foam dam (optional)

LEAKPROOF MEMBRANE :

  • Between the plates via continuous polyester fabric
  • Between the plates and the tank shell via a compressed PVC/Nitrile wiper seal
  • At the fixing system via a Socaprene strip

FIXING DEVICE :

  • Fixing system suitable for horizontal or vertical angle section

VARIANT :

  • Primary compression plate seal only (JPTC)
  • Secondary compression plate seal only (JSTC)
  • Primary compression plate seal only (JPTC) with a FLEXIMASTER® secondary seal (wiper seal)

TOPMASTER® SEAL

APPLICATION :

  • External floating roof

TYPE :

  • Primary seal
  • Foam dam (optional)

DESCRIPTION :

  • Compressed polyether foam in a leaktight envelope resistant to the stored product.

FIXING DEVICE :

  • Fixing system appropriate for all types of screen, even without angle section.

VARIANT :

  • Possible fixing to angle sections or with dowel strips or suspended bars.
  • TOP MASTER® primary seal (foam) with FLEXIMASTER® secondary seal (wiper seal)

FLEXIMASTER® SEAL - WIPER SEAL

APPLICATION

  • External floating roof
  • Internal floating roof

TYPE

  • Primary seal

OR

  • Secondary seal

LEAKPROOF MEMBRANE :

  • At the fixing system by compressing the wiper seal with the butt strap.
  • At the shell through its contact with the wiper seal.

FIXING DEVICE :

  • Fixing system suitable for horizontal or vertical angle section.

VARIANT :

  • Double wiper seal

MECHANICAL SEAL

APPLICATION

  • External floating roof
  • Internal floating roof

TYPE

  • Primary seal

LEAKPROOF MEMBRANE :

  • At the tank by compressing the plates.
  • At the gaseous phase via the continuous seal.
  • At the fixing system via a Socaprene strip.

FIXING DEVICE :

  • Vertical/horizontal or vertical/vertical fixing system.

VARIANT :

  • Mechanical primary seal with secondary compression plate seal
  • Mechanical primary seal with FLEXIMASTER® secondary seal (wiper seal)

NECESSARY INFORMATION

Product stored and storage temperature
Tank diameter
Type of floating roof (external single point, double point, etc.)
Fixing type and centre-to-centre distance
Type of seal required (primary, secondary, double seal, etc.)
Nominal shell/roof spacing
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