Liquid filled tube seals and foam log seals are the two main primary seal types.
Internal floating roof tank seals.
Internal floating roof wiper seal systems mesawedge primary and secondary wiper seal systems are designed to prevent product loss and atmospheric contamination from internal floating roof tanks ifrt.
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.
Each seal is customized to fit to the tank to ensure non gapping performance long life and safe operation.
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.
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.
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.
Mesawedge wiper seal systems meet or exceed environmental regulations and are designed to ensure effective operation in specific tank conditions.
Mechanical shoe seals and resilient filled seals i e.
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.
It also serves at a safety device reducing the risk of combustible vapours in this area.
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.
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.
Internal floating roof tank is known as internal floating roof storage tank floating roof oil tank internal floating plate storage tank and internal floating plate oil tank etc.