Vapor Mounted Primary Foam Seals: Compressible foam is held by holding down arrangement in envelope, which traps the vapors at the top of the rim gap. The Foam seal designed is a vapor mounted seal. The seal design has been used on tanks from 7.0 M to 92 M in diameter containing the full range of Crude and all type Petroleum products
Compressible foam is held by holding down arrangement in envelope, which traps the vapors at the top of the rim gap. |
Product Mounted Primary Seal: Installed in contact with liquid by Compressible foam, which is held by holding down arrangement in envelope & the sealing efficiency is very high. Product Mounted Primary seals is more efficient than Vapor seals. Liquid seals can most easily ...
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