Rim Seal Floating Roof Tank

Grishma s tank guard floating roof tank protection is a fully automatic detection cum extinguishing system.

Rim seal floating roof tank.

As opposed to a fixed roof tank there is no vapor space in the floating roof tank except for very low liquid level situations. Rim seal unit on a floating roof tank sa fire protection is an oem of rim seal fire detection suppression solutions for the protection of floating roof tanks. In principle this eliminates tank breathing loss and greatly reduces the evaporative loss of the stored liquid. The design of these primary seals is therefore very important.

External and internal floating roofs in storage tanks include different types of rim seals that allow the movement of the floating roof against the tank shell. There is a rim seal system between the tank shell and roof to reduce rim evaporation. The system is designed and manufactured for extremely fast detection and extinction of rim seal fires as per the international safety. It also serves at a safety device reducing the risk of combustible vapours in this area.

This rim seal area is prone to many hazards such as lightning and sparks produced by friction or static electricity. The solutions available are several and each one is designed to cope with a specific tank seal design fuel content and environmental condition. The first barrier against emission in the rim area of an external floating roof is the primary rim seal.