External Floating Roof Tank Seals

External floating roof seals are designed to prevent product loss and atmospheric contamination in the form of air shields from above ground storage tanks.

External floating roof tank seals.

Seal systems are designed to meet environmental regulations and ensure efficient operation in specific warehouse conditions. Each seal is customized to fit to the tank to ensure non gapping performance long life and safe operation. It also serves at a safety device reducing the risk of combustible vapours in this area. Hmt offers a multiple primary seal options for external floating roof tanks.

Hmt offers a full line of primary and secondary seals for both internal and external floating roof tanks. I within 90 days after the initial filling of the storage vessel the primary and secondary rim seals shall be inspected as specified in paragraph d 3 of this section. The roof rises and falls with the liquid level in the tank. External floating roofs shall be inspected as specified in paragraphs c 2 i through c 2 iv of this section.

The first barrier against emission in the rim area of an external floating roof is the primary rim seal. The design of these primary seals is therefore very important. Our seals solutions provide an optimal combination of reliability and. Tank aluminum cover has a full range of primary and secondary seals for internal and external floating roofs.

Different types of seals combinations are available to suit pontoon double deck external floating roof tanks fixed roof tanks with pan deck roofs or aluminium decks. 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. However some localities require a secondary seal on a covered floating roof if the primary seal is a vapor mounted seal. Our sealing systems are customized according to the characteristics of each tank and requirements from our customers.

External floating roof seals. External floating roof tank seal external floating roof. 2 external floating roofs. Shoe seals also include wax scraper options.

An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. Hmt seals are well known as leading the industry in design quality craftsmanship durability and non. Safety requirements of floating roof tank. Secondary seal for floating roof tank secondary seals are normally required for external floating roof tanks and may or may not be required when an external roof covers the floating roof.

External primary seals include a variety of configurations component sizes and material options to handle any application and stored product.