3M DBI/SALA 8511231 Advanced Series External Adjustable Tank Collar for use with Advanced Series Side Entry System.  This collar is designed to attach various UCL Safety Systems accessories to the flanges of manways.  Made of powder-coated lightweight aluminum, the External Tank Collar assembles and installs quickly with minimal tools.  Used in conjunction with the UCL Side Entry System for confined space entry/retrieval and rescue operations involving horizontal entries with vertical positioning or retrieval required inside the space.  The External Tank Collar is adjustable and can be used with up to 6 inch thick flanges.  Can be used with manways from 18 to 56" diameter for side entry applications.  "

• For use with side entry external flange manways from 18" to 56" in diameter.
• Collar can clamp onto up to 6 inch thick flanges.
• 450 lb capacity.
• Designed for use with Advanced Series Side Entry System.
• Powder-coated finish for durability.
• Weight 52 lbs.