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 accommodate variations in rim gaps on distorted tanks. The Foam Seal is product mounted and can be used on either external floating roofs or internal pan floating roofs. This seal has been used in tanks from 7.0 M to 92 M in diameter containing the full range of Crude and all type Petroleum products.
with liquid by Compressible foam, which is held by holding down arrangement in envelope & the sealing efficiency is very high. |