
The 17.5 inch 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.
MaterialsGeneral Construction: Welded AluminumWeld Certification: AWSBase Material: 6061-T6, 5052 AluminumSleeve: 6061-T6 AluminumHardware: Gr. 5 Zinc PlatedFinish: Safety Yellow Powder Coat
TechnicalMast Moment Rating: 65,000in-lbs (7350Nm)Proof Test: AWSMast Rotation: 90° From CenterWeight: 33.5lbs (15.1kg)
Application Restrictions1. Inside of manway being entered must not be more than 2 ½ “ (60mm) larger than the outside diameter.2. This collar is designed for use on horizontal, level surfaces. This collar must not be used to enter inclined manways.3. Maximum mast offset with and manhole collar is to be 18” (457mm).4. 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).5. Retractable or shock absorbers must have a maximum arresting force (M.A.R.) rating of 1800lbs (8kN) or less.6. Each installation must be approved to local standards by a qualified engineer.
Orders marked "In Stock" are typically shipped within 12-24 hours.
Delivery is usually made within 1-7 business days, depending on the destination and item weight.
Flat shipping fee applies for all orders up to a certain weight limit.
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