INTERNAL FLOATING ROOF SYSTEM
WB Tubular pontoon type IFR is operated in a tank along the travel of product surface.
Various type of peripheral seal is applied to minimize evaporation, and designed for high- efficiency and durability.

-API650 appendix H standard
-Vapor loss prevention design
-Chemical resistance
-Long service life expectancy
-Easy installation work

Rim Seal Type

- Vapor mounted seal type - Rim space : 180mm ± 100mm - Metal material: Aluminum or Stainless steel. - Seal material : NBR, PE, Teflon, PU

- Liquid mounted seal type - Rim space : 180mm ± 100mm - Metal material: Aluminum or Stainless steel. - Seal material : NBR, PE, Teflon, PU - Foam block material : PU

- Liquid mounted seal type - Rim space : 180mm ± 100mm - Metal material: Aluminum or Stainless steel. - Seal material : NBR, PE, Teflon, PU - Foam block material : PU

- Vapor mounted type seal - Long life expectancy - Rim space : 180mm ± 100mm - Plate spring material : SS301 - Shoe plate : Galvanized or Stainless steel