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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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Technical Documents

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

Is the 3M DBI-SALA 29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt available from 3G Electric?

Yes — 3G Electric supplies genuine 3M DBI-SALA products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the 3M DBI-SALA 29.5In Manhole Collar For Use On Manways: 29 1/2 in, Manhole Mnt?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for davit system bases?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all davit system bases we distribute.

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 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.
3M DBI-SALA Wall Mount Sleeve,Yellow: 10 in x 9 1/4 in, Wall Mnt, Lower Mast Extension, 10 in Lg (MPN 8516191). Key specifications — Brand: 3M DBI-SALA; Color: Yellow; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Weld-On; Finish: Zinc Plated.
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3M DBI-SALA Wall Mount Sleeve,Yellow: 10 in x 9 1/4 in, Wall Mnt, Lower Mast Extension, 10 in Lg (MPN 8516191). Key specifications — Brand: 3M DBI-SALA; Color: Yellow; Confined Space Component: Base; Compatible Component: Lower Mast Extension; For Use With: Davit Arms; Mounting Type: Weld-On; Finish: Zinc Plated.
3M DBI-SALA Manhole Collar,21 1/2 in dia.: 21 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510457). 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,21 1/2 in dia.: 21 1/2 in, Manhole Mnt, Lower Mast Extension, Green, Base (MPN 8510457). Key specifications — Brand: 3M DBI-SALA; Color: Green; Confined Space Component: Base; Compatible Component: Lower Mast Extension; Material: Aluminum; Mounting Type: Clamp-On.