Mechanical shoe seals and resilient filled seals i e.
Internal floating roof tank seals.
Specifically it is an environment friendly and economical storage tank or oil tank installed a floating roof under the vault of the tank usually made of aluminum stainless steel or other material to prevent the liquid from volatilize.
Operating since 1986 allentech is recognized worldwide within the petrochemical industry as the premier supplier of these custom roofs and accessories serving major oil companies and terminal operators in more than 60 countries.
Primary and secondary ifr and efr seals hmt offers a full line of primary and secondary seals for both internal and external floating roof tanks.
Each seal is customized to fit to the tank to ensure non gapping performance long life and safe operation.
Hmt seal systems are customized for each specific tank with a variety of configurations component sizes and material options available to handle any application and stored product.
External floating roof tank seals are normally divided into 2 different categories.
Internal primary seals include a variety of configurations component sizes and material options to handle any application and stored product.
Hmt offers multiple primary seal options for internal floating roof tanks.
Seals are used in different types and combinations suitable for pontoons and in double decked external floating roof tanks and pan terrace roofs or in fixed roof tanks with aluminum support.
Pantograph type primary mechanical horseshoe seal.
It also serves at a safety device reducing the risk of combustible vapours in this area.
Primary seal for floating roof tank a primary seal should be considered for all floating roof tanks and listed below are a variety of choices.
Mesawedge wiper seal systems meet or exceed environmental regulations and are designed to ensure effective operation in specific tank conditions.
Allentech is a privately held manufacturer and erector of internal floating roofs and perimeter seal systems for above ground storage tanks and covers for api separator basins.
Tank seals the first barrier against emission in the rim area of an external floating roof is the primary rim seal.
