Fire Protection Adhesive and Sealants

Fire Protection Adhesives and Metal Pipe Sealants

Despite technology usually being highly reliable, things can always go wrong, and unfortunately fire sprinkler systems are no different. In fact, there are many reasons why a sprinkler system may stop working effectively. The first of these is a faulty O-ring – despite a recall of millions of these poorly manufactured O-rings in 2001, many still remain in building fire sprinkler systems today. These faulty O-ring seals, when exposed to contaminants in water, cause the sprinkler system to corrode and eventually leak.

Other reasons why these systems fail include improperly designed, installed or repaired sprinkler heads, which can lead to equipment failure. Corrosion, previously thought to be microbiologically influenced but now understood to be the result of oxygen, is another leading cause of leaks. In fact, the more air that gets into a fire sprinkler system and comes into contact with water, the more likely corrosion is to take place. When these two elements come into contact with the steel piping in the sprinkler system, small pits begin to appear which will eventually lead to a rupture in the pipework. The warmer the environment the sprinkler is in, the quicker this corrosive reaction occurs.

Regardless of the cause of the leak, they result in costly damage to ceilings, floors, furnishing, and other valuables. Permabond metal pipe sealants and weld sealants can help to ensure the integrity of these systems to prevent leaks.

Typical fire protection adhesive applications:

Fire protection

  • Sealing metal pipe connections
  • Weld sealing
  • Sealing sprinkler heads into the pipework

FLYER

Fire Protection Adhesive Key Features

Permabond Metal-Pipe Sealant with PTFE

Permabond Metal-Pipe sealants use anaerobic technology to prevent leaks in sprinkler systems. Used in fabrication and installation, Permabond sealants replace pipe dope and sealing tapes with a complete and reliable seal.

  • FBCTM System Compatible* (Permabond LH056)
  • UL Classified for sprinkler systems (Permabond LH050)
  • 100% Leak-free seal even when the pipe is not completely seated
  • Eliminates „call back“ repair costs
  • Seals cut and misthreaded fittings
  • Open container will not dry out
  • Won’t „thin“ in summer
  • Won’t „thicken“ in winter
  • Replaces pipe dope and tapes
  • Prevents corrosion
  • Easy disassembly with hand tools
  • Lubricates to ease assembly

Permabond sealants for metal pipes do not stay as a paste (like pipe dope) but cure to a solid plastic seal. The cure begins in the presence of metal and the absence of air.

Permabond Weld Sealants

Our anaerobic sealant HL126 prevents porosity leaks in the welds of sprinkler system fabrication and repairs porosity leaks in the field.

  • Use in fabrication to prevent leaks in the field
  • Eliminates „call back“ repair costs
  • Easy to use
  • Seals leaks in the field

Permabond weld sealants fill all voids or imperfections and cure to form a permanent plastic seal that prevents potential leaks. Cure starts in the absence of air and the presence of metal and begins to occur when the sealant wicks into the imperfections.

*FBC_SystemCompatible

  • Permabond LH056 is FBC™ System Compatible. FBC™ System Compatib indicates that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® piping systems and products made with TempRite® Technology.” “The FBC System Compatible Logo, FBC™, FlowGuard Gold®, BlazeMaster®, Corzan®, and TempRite® are trademarks of Lubrizol Advanced Materials, Inc. or its affiliates.

Related information

Fire Protection – Tape – Dope – Pipe sealant comparison.

https://www.permabond.com/resource-center/anaerobics-metal-list-plastic-compatibility/

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