However some localities require a secondary seal on a covered floating roof if the primary seal is a vapor mounted seal.
Floating roof tank sealing system.
Our seals solutions provide an optimal combination of reliability and.
It also serves at a safety device reducing the risk of combustible vapours in this area.
Mesawedge wiper seal systems meet or exceed environmental regulations and are designed to ensure effective operation in specific tank conditions.
The first barrier against emission in the rim area of an external floating roof is the primary rim seal.
As opposed to a fixed roof tank there is no vapor space in the floating roof tank except for very low liquid level situations.
The solutions available are several and each one is designed to cope with a specific tank seal design fuel content and environmental condition.
Hmt seals are well known as leading the industry in design quality craftsmanship durability and non.
In principle this eliminates tank breathing loss and greatly reduces the evaporative loss of the stored liquid.
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.
Floating roof seal for storage tanks.
Internal floating roof wiper seal systems.
We understand that not everyone needs the same floating roof.
There is a rim seal system between the tank shell and roof to reduce rim evaporation.
Mesawedge primary and secondary wiper seal systems are designed to prevent product loss and atmospheric contamination from internal floating roof tanks ifrt.
There is a 100 mm 500 mm gap between tank shell and external floating roof to prevent the tank from jamming during the running process.
Our sealing systems are customized according to the characteristics of every kind of tank and requirements from our customers.
Tank aluminum cover has a full range of primary and secondary seals for external and internal floating roofs.
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.
The design of these primary seals is therefore very important.
Hmt offers a full line of primary and secondary seals for both internal and external floating roof tanks.
