MainGuard #77

  • Above ground post flushing hydrant for dead end mains
  • Unique two-pipe design allows for easy passage of debris
  • Cost-effective alternative to unneeded fire hydrants on dead ends
  • Self-draining, non-freezing, and fully serviceable from above ground

Product request a quote

Request a Quote
Request a Demo
The MainGuard #77 Post Hydrant provides the best in performance and value. Designed and engineered specifically for flushing, the #77 provides excellent flow rates for improving chlorine residual levels and flushing disinfection byproducts (DBPs) to keep water safe for consumers. The unique valve design allows for a full clear-channel flow that is superior to other blow-offs for moving water and passing debris easily. The #77 plunger is also designed to allow for throttling the flow of water while at the same time covering the drain hole to avoid unnecessary erosion. The MainGuard #77 comes standard with all brass principle working parts, 2" FIP vertical inlet, 2 ½” NST outlet, traffic break-away, and locking security cover. The #77 is self draining and non-freezing, The MainGuard #77 is fully serviceable from above ground. Certified to NSF/ANSI 372.
• Depths of bury over 3', per 6"
• 90° horizontal (side) inlet
• 2" MJ inlet iron w/ epoxy coat
• 2" MJ inlet all brass adapter