Online Leak Sealing

Benefits of Leak Sealing

  • Costly shutdowns are avoided
  • Energy is saved
  • Process loss is stopped
  • Engineers and technicians are available 24 hours/day
  • Leak sealing is provided on over 400 liquid & gaseous products at pressures of up to 4300 psi

Leak Sealing Compounds

  • Online’s sealing compounds come in a wide variety to address all types of leaks.
  • Regularly upgraded to incorporate the latest materials.
  • Manufactured to carefully monitored quality assurance program.
  • Continually tested to assure continuity.
  • Enclosures, clamps, ring adapters.

Leak Sealing Methods

  • Packing Glands
  • Clamps
  • Blade Clamps
  • Peripheral Seal Clamps


  • Piping / welds / splits / cracks
  • Elbow / Tees
  • Exchangers
  • Vessels
  • Valves
  • Restricted Angle Nuts
  • Pressure Seal Valves
  • Ring Adapters
  • Upstream Valve Kill
  • Wire Wrap

Leak Sealing Principle

  • Form a close tolerance barrier around the leak
  • Sealant is then injected to form a molded gasket inside the barrier
  • During the leak sealing process, your system continues to operate at normal line pressure and temperature

Leak Sealing Ranges

  • Temperature Range: cryogenic to over 2500 °F