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DUCTMATE High-Temperature Flat Access Door - High-Temperature Flat Access Doors
DUCTMATEHigh-Temperature Flat Access Doors

DUCTMATE High-Temperature Flat Access Door

The DUCTMATE Duct Access Door (SKU 3G-OTH-74669) 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…

SKU 3G-OTH-74669

Brand
DUCTMATE
Item
High-Temperature Flat Access Door
Part Number
GRD66ULBI
Category
High-Temperature Flat Access Doors
Available to Order
Also known as:GRD66ULBIDUCTMATE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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

Product Description

The DUCTMATE Duct Access Door (SKU 3G-OTH-74669) 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
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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.

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This steel flat access door is designed for rectangular ducts, providing a sealed entry point for inspection and maintenance. It features 16 ga construction, thumbscrews, and 2 mounting studs. Rated for a maximum temperature of 2,300°F, it is suitable for high-heat applications such as industrial exhaust and boiler flues
DUCTMATE
This steel flat access door is designed for rectangular ducts, providing a sealed entry point for inspection and maintenance. It features 16 ga construction, thumbscrews, and 2 mounting studs. Rated for a maximum temperature of 2,300°F, it is suitable for high-heat applications such as industrial exhaust and boiler flues

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