HMT SealMaster™ Internal Primary Seal

The HMT SealMaster Liquid Mounted Primary Seal features exceptional vapor sealing qualities, approaching "zero" gap sealing ability. The SealMaster's innovative design gives it superior positive vapor sealing capabilities over all other primary seals for internal floating roofs. Designed for use with aluminum internal floating roofs, the SealMaster can also be retrofitted to internal steel roofs for most applications.

The SealMaster is compatible with any products normally stored in floating roof tanks, including benzene, naphtha, methanol, toluene, ETBE, TAME and MTBE. Its lightweight construction allows for superior seal operation without imposing adverse loading on the floating roof. SealMaster's unique design and advanced materials of construction provide an exceptional anticipated service life, essential in the operation of today's internal floating roof tanks and in our predictive maintenance programs.

The SealMaster combines the features of unsurpassed sealing capability, effective operation, advanced materials of construction, long service life and product compatibility, resulting in an exceptional, competitively priced, internal primary seal.

Advanced Features:

  • Unsurpassed vapor sealing capabilities
  • Resistant to all stored products
  • Maintenance free operation
  • Advanced materials
  • Lightweight construction
  • Long service life
  • Ease of installation
  • Stainless steel construction


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