Floating Roof Storage Tank Seal

The first barrier against emission in the rim area of an external floating roof is the primary rim seal.

Floating roof storage tank seal.

Mesawedge wiper seal systems meet or exceed environmental regulations and are designed to ensure effective operation in specific tank conditions. The floating roof of a floating roof tank is a floating roof floating on the surface of stored liquid floating up or down with the level of stored liquid. An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. Was founded in 1982 by gordon pendergraft.

Seal systems are designed to meet environmental regulations and ensure efficient operation in specific warehouse conditions. 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. Seal systems can be installed with the tank in service. External floating roof seals are designed to prevent product loss and atmospheric contamination in the form of air shields from above ground storage tanks.

The design of these primary seals is therefore very important. As opposed to a fixed roof tank there is no vapor space in the floating roof tank. Mechanical shoe seals and resilient filled seals i e. 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.

In particular if you have tanks that suffer from tank shell distortion we can tailor make a sealing system that will provide an effective sealing solution. The roof rises and falls with the liquid level in the tank. There is a annular space with seal gland between the floating roof and the tank wall to separate air when stored liquid float up or down on the roof greatly reducing evaporation loss in the storage process. 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.

It also serves at a safety device reducing the risk of combustible vapours in this area. Our seals solutions provide an optimal combination of reliability and performance with a low total cost of ownership. We offer the following types of tank seal. Floating roof storage tank seals we can adapt any seal design to suit your particular roof configuration.

It consists of an open topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. 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. Vaporseal is weather and abrasion resistant polyurethane. In principle this eliminates tank breathing loss and greatly reduces the evaporative lo.

His company developed an economical product for floating roof tanks to help minimize product loss through evaporation. Hmt offers a full line of primary and secondary seals for both internal and external floating roof tanks.