The boiler industry is home to some of the most demanding sealing and thermal protection environments with specific requirements in worker safety and equipment longevity among high moisture, pressure, and operating temperatures. Davlyn Group’s manufacturing capabilities allow us to serve both simple and complex boiler applications. For decades, we have worked alongside leading boiler OEMs to advance the boiler and combustion equipment industry.

  • Aftermarket Kits
  • Boiler & Steam Generation Seals & Gaskets
  • Hose & Cable Heat & Flame Protection
  • High-Temperature Industrial Packing
  • Welding & Brazing Curtains & Shields
  • Insulation & Heat Containment
  • Pipe Flange Seals
  • Worker Safety

Materials & Products

Davlyn Group Tetraglas-T® tacky cloth is one of the most widely used gasket materials in the boiler industry, with a unique ability to seal against pressures up to 300psi and operating temperatures up to 500°F (260°C). Its versatility produces high-quality tadpole gaskets, ring and full-face gaskets, manhole and handhole gaskets, tapes, groove packing, and custom solutions for boiler gasket applications. Tetraglas® fiberglass and Tetraglas 3000® silica, ceramic, and basalt products are base materials for tadpole tapes, gaskets, hose and pipe covers, protective shields, and more. We also offer a line of compressed non-asbestos materials, including PTFE, laminate graphite, spiral wound, metal, and rubber.

Typical Materials

  • Silicone: 500°F (260°C)
  • Tacky Cloth: 500°F (260°C)
  • Reflective Foil: 500°F (260°C)
  • Compressed Non-Asbestos Gasket Materials: 700°F (370°C)
  • Fiberglass: 1000°F (540°C)
  • Vermiculite: 1500°F (815°C)
  • Graphite: 1800°F (980°C)
  • Silica: 1800°F (980°C)
  • Ceramic: 2300°F (1260°C)