Fire Protection

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Surge Suppressors (BSA), Bladder Expansion Tanks (BET) and Bladder Surge Tanks (BST) are designed specifically for fire protection systems, and are UL and FM approved.

Providing Surge Suppressors for control of hydraulic transients within fire circuits, Young Engineering is a leader in the fire surge control industry. We offer the largest range of sizes of surge suppressors.

Young Engineering’s fire surge suppressors absorb and control surge energies, protecting from damage and increasing the life of the components of a fire sprinkler system.

Young Engineering Bladder Surge Tanks and Pulsation Dampeners provide:

  • Pressure control for water and Glycol handling
  • Proven technical expertise for piping surge suppression needs
  • Innovative design to meet custom engineering needs
  • High quality customer response, service and delivery
  • Economical and easily manageable maintenance with minimal training
  • Extended life for pressure control over other systems

Bladder Expansion Tanks for fire protection meet the needs of NFPA 13. These UL approved Glycol expansion tanks are designed and manufactured specifically to protect anti-freeze sprinkler systems from the damaging effects of thermal expansion during changing weather conditions. Proven engineering of our surge tanks increases the life of the components of your system and protects them from failure.

Systems that utilize backflow preventers can suffer from over-pressure when temperature variation (excessive heat or cold) causes the antifreeze, within the building’s fire sprinkler lines, to expand resulting in sprinkler system damage. This over-pressurization can be alleviated with our bladder expansion tank which “absorbs” the expanding fluid, thereby controlling the pressure to a safe level. When the fluid contracts due to temperature cooling, the bladder expansion tank expels the fluid back into the system.

Bladder Surge Tanks (BST) absorb and control dangerous surge energies, created by backflows in pumping, when a pump stops, or during sudden pressure changes. These events can create stress in vulnerable components of piping systems and decrease systems component life cycle. Our tanks contain an internal gas-filled bladder, connected to fluid systems, that allow pipeline liquids to ebb and flow into the tank, stabilizing pressure in the rest of the system.

Standard sizes ranges from 40 to 40,000 gallons, with design pressures of 275 psi, 500 psi, and several other ratings.