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3M DBI-SALA Manhole Collar,19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension - Davit System Bases
3M DBI-SALADavit System Bases

3M DBI-SALA Manhole Collar,19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension

The 3M DBI-SALA Manhole Collar (MPN 8510520) is a green, aluminum davit system base with a 19 1/2 in diameter, designed for manhole mounting via a clamp-on attachment. It is compatible with a lower mast extension…

SKU 3G-OTH-545718

Brand
3M DBI-SALA
Item
Manhole Collar,19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension
Category
Davit System Bases
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Technical Specifications

3M DBI-SALA
Manufacturer Part Number
8510520
Type
19 1/2 in dia.: 19 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base
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 Manhole Collar (MPN 8510520) is a green, aluminum davit system base with a 19 1/2 in diameter, designed for manhole mounting via a clamp-on attachment. It is compatible with a lower mast extension, serving as a confined space base for fall-protection setups.

Frequently Asked Questions

What is the 3M DBI-SALA Manhole Collar 8510520 used for?

The 3M DBI-SALA Manhole Collar 8510520 is a confined-space davit system base for manhole entry. It provides a secure, clamp-on mounting point for a lower mast extension, supporting fall-protection and retrieval setups in utility, construction, and industrial applications.

What are the specifications of the 3M DBI-SALA Manhole Collar 8510520?

The 3M DBI-SALA Manhole Collar 8510520 has a 19 1/2 in diameter, is made of aluminum, and mounts via clamp-on attachment. It is green, compatible with a lower mast extension, and serves as the base component for confined-space davit systems.

Where to buy the 3M DBI-SALA Manhole Collar 8510520 worldwide?

3G Electric supplies the 3M DBI-SALA Manhole Collar 8510520 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this confined-space base.

How to install the 3M DBI-SALA Manhole Collar 8510520?

Install the 3M DBI-SALA Manhole Collar 8510520 by clamping it securely onto the manhole rim. Ensure the aluminum base is level and properly aligned before attaching the lower mast extension. Always follow the manufacturer's instructions and use compatible components for safe confined-space entry.

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 29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt, Lower Mast Extension (MPN 8510546). 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 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.
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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 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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