Fire Hydrant with ALPHA™ Connection

Fire Hydrant with ALPHA™ ConnectionEasy installation with only one bolt

Fire hydrants with ALPHA™ restraint systems provide an easier installation, which saves time and money. Compared to mechanical joint, which uses up to eight bolts on each end, ALPHA™ joint uses only one top-mounted stainless steel bolt.

Alpha End Hydrant Square

ALPHA™ Restraint System Benefits

  • Material flexibility
  • Accessibility
  • Pre-assembled
  • Ease of installation
  • Significantly reduced installation times


  • Restrain Accessories Factory Installed
  • Use with Ductile Iron, Cast Iron, HDPE and PVC Pipe Materials
  • Stab-fit Design Using Only One Type 304 Stainless Steel Fastener


  • Wastewater
  • Potable Water
  • Distribution Systems

ALPHA™ Restraint System Products

  • 5 1/4" American-Darling B-84-B-5 ALPHA™
  • 5 1/4" Waterous Pacer ALPHA™
  • 5 1/4" American-Darling B-62-B-5 ALPHA™
  • 4 1/2" American-Darling Mark 73-5 ALPHA™

ALPHA™ Restraint System Resources and Product Information

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