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Honeywell Miller DuraHoist Manhole Collar

Part Number: DH-11/21.5SKU: HONDH-11/21.5
$4,987.80

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Item Details

  • Miller® 21.5" Manhole Collar is designed for applications involving frequent setups over similarly sized access openings. Simply slip collar into sewer manhole, tank hatch, or other openings. Lightweight, powder coated aluminum construction for portability.

Features

  • For use with 20 in. - 22 in. diameter manways

Caution

  • Inside of manway being entered must not be more than 2 ½" (60mm) larger than the outside diameter
  • This collar is designed for use on horizontal, level surfaces
  • This collar must not be used to enter inclined manways
  • Maximum mast offset with and manhole collar is to be 18” (457mm)
  • Manholes or manways must be stable and secure
  • Structures surrounding the opening must be capable of supporting a vertical load of at least 3600lbs (165kg)
  • Retractable or shock absorbers must have a maximum arresting force (M.A.R.) rating of 1800lbs (8kN) or less
  • Each installation must be approved to local standards by a qualified engineer

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