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3M DBI-SALA 29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt - Davit System Bases
3M DBI-SALADavit System Bases

3M DBI-SALA 29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt

The 3M DBI-SALA 29.5In Manhole Collar (MPN 8510546) is a clamp-on aluminum base for confined-space davit systems, designed for use on 29 1/2 in manways. As a manhole-mounted lower mast extension, it provides a secure…

SKU 3G-OTH-545725

Brand
3M DBI-SALA
Item
29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt
Category
Davit System Bases
Available to Order
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Technical Specifications

3M DBI-SALA
Manufacturer Part Number
8510546
Type
Manhole Mnt, Lower Mast Extension
Material
Aluminum
Color
Green
Mounting Type
Clamp-On
Compatible Component
Lower Mast Extension
Confined Space Component
Base
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3M DBI-SALA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M DBI-SALA 29.5In Manhole Collar (MPN 8510546) is a clamp-on aluminum base for confined-space davit systems, designed for use on 29 1/2 in manways. As a manhole-mounted lower mast extension, it provides a secure anchoring point for fall-protection equipment. 3G Electric sources this genuine OEM component across 14 industrial departments, with specialist expertise in safety and access solutions.

Frequently Asked Questions

What is the 3M DBI-SALA 29.5In Manhole Collar used for?

The 3M DBI-SALA 29.5In Manhole Collar (MPN 8510546) is a clamp-on aluminum base for confined-space davit systems. It mounts on 29 1/2 in manways to provide a secure anchoring point for a lower mast extension, supporting fall-protection equipment during entry and rescue operations.

What are the specifications of the 3M DBI-SALA 8510546 Manhole Collar?

The 3M DBI-SALA 8510546 Manhole Collar is a green, clamp-on aluminum base designed for 29 1/2 in manways. It is a confined-space component compatible with a lower mast extension. The manufacturer part number is 8510546, and it is made by 3M DBI-SALA.

Where to buy the 3M DBI-SALA 29.5In Manhole Collar worldwide?

3G Electric supplies the genuine 3M DBI-SALA 29.5In Manhole Collar (MPN 8510546) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this OEM safety component, ensuring it reaches your site reliably.

How to install the 3M DBI-SALA Manhole Collar on a manway?

Install the 3M DBI-SALA Manhole Collar by clamping it securely onto a 29 1/2 in manway rim. Ensure the mounting surface is clean and level. Attach the lower mast extension per the manufacturer's instructions. Always follow OSHA and ANSI guidelines for confined-space fall-protection setup.

Used in

Common applications for 3M DBI-SALA
Construction — 3M DBI-SALA full-body harnesses for fall arrest on scaffolding and steel structures.
Oil and gas — 3M DBI-SALA harnesses for confined space rescue and work at height on rigs.
Utilities — 3M DBI-SALA harnesses for tower climbing and pole-top work with positioning D-rings.
Manufacturing — 3M DBI-SALA harnesses for overhead crane maintenance and elevated platform access.
Fire service — 3M DBI-SALA harnesses for technical rescue operations meeting NFPA 1983 standards.

3M DBI-SALA Products

3G Electric supplies 3M DBI-SALA davit system bases. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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3M DBI-SALA Center Mount Sleeve: 8 in x 9 1/2 in, Floor Mnt, Lower Mast Extension, 12 1/2 in Lg (MPN 8516563). Key specifications — Brand: 3M DBI-SALA; Features: 360° Davit Mast Rotation; Color: Silver; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Bolt-On; Finish: Zinc Plated.
3M DBI-SALA Manhole Collar,23 1/2 in dia.: 23 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510163). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
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3M DBI-SALA Manhole Collar,23 1/2 in dia.: 23 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510163). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
3M DBI-SALA 27.5In Manhole Collar For Use On Manways: 27 1/2 in, Manhole Mnt, Lower Mast Extension (MPN 8510632). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
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3M DBI-SALA 27.5In Manhole Collar For Use On Manways: 27 1/2 in, Manhole Mnt, Lower Mast Extension (MPN 8510632). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
3M DBI-SALA Manhole Collar,19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510520). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
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3M DBI-SALA Manhole Collar,19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510520). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
3M DBI-SALA 25.5In Manhole Collar For Use On Manways: 25 1/2 in, Manhole Mnt, Lower Mast Extension (MPN 8510633). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
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3M DBI-SALA 25.5In Manhole Collar For Use On Manways: 25 1/2 in, Manhole Mnt, Lower Mast Extension (MPN 8510633). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.
3M DBI-SALA Floor Mount Sleeve: 10 in x 9 1/4 in, Floor Mnt, Lower Mast Extension, 10 in Lg, Silver (MPN 8518347). Key specifications — Brand: 3M DBI-SALA; Color: Silver; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Bolt-On.
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3M DBI-SALA Floor Mount Sleeve: 10 in x 9 1/4 in, Floor Mnt, Lower Mast Extension, 10 in Lg, Silver (MPN 8518347). Key specifications — Brand: 3M DBI-SALA; Color: Silver; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Bolt-On.
3M DBI-SALA Wall Mount Sleeve: 10 in x 9 1/4 in, Wall Mnt, Lower Mast Extension, 10 in Lg, Silver (MPN 8518348). Key specifications — Brand: 3M DBI-SALA; Color: Silver; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Bolt-On.
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3M DBI-SALA Wall Mount Sleeve: 10 in x 9 1/4 in, Wall Mnt, Lower Mast Extension, 10 in Lg, Silver (MPN 8518348). Key specifications — Brand: 3M DBI-SALA; Color: Silver; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Bolt-On.
3M DBI-SALA Vehicle Hitch Mount Sleeve: 51 3/4 in x 3 ft, Vehicle Hitch Mnt, Lower Mast Extension (MPN 8510140). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: 2" Vehicle Hitch Mount Sleeve; Mounting Type: Hitch Pin; Finish: Zinc Plated.
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3M DBI-SALA Vehicle Hitch Mount Sleeve: 51 3/4 in x 3 ft, Vehicle Hitch Mnt, Lower Mast Extension (MPN 8510140). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: 2" Vehicle Hitch Mount Sleeve; Mounting Type: Hitch Pin; Finish: Zinc Plated.