Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

DUCTMATE Duct Access Door: 8 in x 8 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating - High-Temperature Flat Access Doors
DUCTMATEHigh-Temperature Flat Access Doors

DUCTMATE Duct Access Door: 8 in x 8 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating

The DUCTMATE Duct Access Door (SKU 6EKC8) is a high-temperature flat access door designed for rectangular ducts. Constructed from steel with an 11-gauge thickness, it features thumbscrews and two mounting studs, with…

SKU 3G-OTH-74669

Brand
DUCTMATE
Item
Duct Access Door: 8 in x 8 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating
Category
High-Temperature Flat Access Doors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

DUCTMATE
Manufacturer Part Number
GRD66ULBI
Type
11 ga, Steel, Thumbscrews
Material
Steel
Mounting Stud
2
For Duct Shape
Rectangular
Max Temp Rating
2,300°F
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

DUCTMATE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DUCTMATE Duct Access Door (SKU 6EKC8) is a high-temperature flat access door designed for rectangular ducts. Constructed from steel with an 11-gauge thickness, it features thumbscrews and two mounting studs, with a maximum temperature rating of 2,300°F. The manufacturer part number is GRD66ULBI.

Frequently Asked Questions

What is a DUCTMATE high-temperature flat access door used for?

A DUCTMATE high-temperature flat access door provides maintenance access to rectangular industrial ductwork operating at extreme temperatures up to 2,300°F. It is commonly used in exhaust systems, kilns, furnaces, and other high-heat ventilation applications where standard access doors would fail.

What are the specifications of the DUCTMATE 8 in x 8 in duct access door?

The DUCTMATE duct access door (MPN GRD66ULBI) is 8 in x 8 in, made of 11-gauge steel, with thumbscrews and two mounting studs. It is designed for rectangular ducts and has a maximum temperature rating of 2,300°F. The brand is DUCTMATE and the material is steel.

Where to buy DUCTMATE duct access doors worldwide?

You can source DUCTMATE duct access doors worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the GRD66ULBI model.

How to install a DUCTMATE high-temperature access door?

Install the DUCTMATE access door by cutting a rectangular opening in the duct, aligning the two mounting studs with pre-drilled holes, and securing with thumbscrews. Ensure the gasket (if applicable) seats properly for a tight seal. Always follow the manufacturer's guidelines for high-temperature applications.

Used in

Common applications for DUCTMATE
Commercial HVAC — DUCTMATE flat access doors for rectangular duct inspection in office buildings
Industrial exhaust systems — DUCTMATE high-temperature curved access doors for round flue ducts up to 2,300°F
Process air handling — DUCTMATE duct hangers for supporting 6 in to 12 in round ducts in manufacturing plants
Boiler room maintenance — DUCTMATE curved access doors with knobs for 19 in to 20 in ducts in boiler flues
Cleanroom ductwork — DUCTMATE flat access doors with double-cam closure for sealed rectangular duct access

DUCTMATE Products

3G Electric supplies DUCTMATE high-temperature flat access doors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
Duct Access Door: 22 in x 22 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2020ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 22 in x 22 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2020ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 20 in x 26 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2418ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 20 in x 26 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2418ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 14 in x 14 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1212ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 14 in x 14 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1212ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 10 in x 14 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD128ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 10 in x 14 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD128ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 18 in x 24 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2418F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 18 in x 24 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD2418F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.

More from DUCTMATE

View all DUCTMATE parts
Duct Access Door: 12 in x 16 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1612F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 12 in x 16 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1612F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 8 in x 12 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD128F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 8 in x 12 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD128F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 6 in x 10 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD106F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 6 in x 10 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD106F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 14 in x 18 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1814F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 14 in x 18 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1814F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 8 in x 12 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD106ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 8 in x 12 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD106ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 4 in x 8 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD84F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 4 in x 8 in, 16 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD84F2GA). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 16 in x 20 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1814ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 16 in x 20 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1814ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
Duct Access Door: 12 in x 12 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1010ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.
DUCTMATE
Duct Access Door: 12 in x 12 in, 11 ga, Steel, Thumbscrews, 2,300°F Max Temp Rating, 2 Mounting Stud (MPN GRD1010ULBI). Key specifications — Brand: DUCTMATE; Material: Steel; For Duct Shape: Rectangular.