57SF AT90 W/Self Closing -up to 90 lbs-Flush Mount (Weld-On) Hinge Kit for Pool Safety

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  • Adjustable closing speed
  • Stainless steel and anodized aluminum construction
  • Unique, patented tension adjustment
  • Flush or Center Mount
  • Dual sealed thrust bearings
  • For all square posted aluminum or steel gate applications
  • Left or right-handed swing
  • Powerful, hidden hydraulics that don’t leak!
  • Horizontal adjustment usable with center mount bracket
  • Tested to 500,000 cycles
  • 1,500 lb load capacity
  • Quality assurance of an ISO 9001 manufacturer
  • High corrosion resistance, 50 micron anodizing on aluminum components


  • Convenient, reliable performance
  • Fits a broad range of applications
  • No need for unsightly spring closers, closing mechanism is hidden
  • Visibly small footprint once installed
  • Final Snap Action is strong enough to engage electrical locks
  • Ease of installation & adjustment
  • 2-Year Limited Warranty

CAUTION: Weld-on steel brackets must be powder coated or painted.  Protect threads and moving parts when applying finish.  SM + SM kits replace standard ball bearing hinges intended for NON Self Closing gates, ideal for heavy or access control gates.  Kits require a latch/lock for a gate that is positioned either center to the line of the fence OR a gate that is flush mounted with the face of the fence post. For D&D latches, use Flush Mount Sure Close.

More Information

More Information
Item Number 77057224
Weight 5.43 lbs
Brands D&D Technologies
Manufacturer Recommended Self Closing Weight Capacity Per Pair 51-100lbs
Adjustability Gap Not Adjustable
Gate/Post Profile Square Post, Square Gate Frame
Color Black
Fastening Weld-On
Safety Pool Safety


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You're reviewing:57SF AT90 W/Self Closing -up to 90 lbs-Flush Mount (Weld-On) Hinge Kit for Pool Safety

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