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Primary Seals
HMT
provides many types of Primary Seals for Aboveground
Floating Roof Storage Tanks. These Primary Seal designs
include state-of-the-art Mechanical Shoe Seals, Wiper
Seals, Tube Seals, Foam Seals and special application
type seals. These seals are designed for both External
and Internal type floating roofs. A wide range of
materials of construction is incorporated into each type
seal design to ensure compatibility with the stored
liquid product and long service life. These seals are
designed to keep the stored hydrocarbon vapors from
escaping to the atmosphere, even when subjected to
adverse service conditions and wide variations in roof
rim space. Several of these seal designs allow
installation while the storage tank remains in-service.
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