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DUCTMATE Duct Access Door: 20 in x 20 in, 24 ga, Steel, Single Cam, Tab-In Hinge - Flat Access Doors
DUCTMATEFlat Access Doors

DUCTMATE Duct Access Door: 20 in x 20 in, 24 ga, Steel, Single Cam, Tab-In Hinge

The DUCTMATE Duct Access Door (SKU 3G-OTH-76970) is a 20 in x 20 in flat access door made of steel with fiberglass insulation, designed for rectangular ducts. It features a single cam, tab-in hinge, and a maximum…

SKU 3G-OTH-76970

Brand
DUCTMATE
Item
Duct Access Door: 20 in x 20 in, 24 ga, Steel, Single Cam, Tab-In Hinge
Category
Flat Access Doors
Available to Order
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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
GRFDH20GA
Type
24 ga, Steel, Single Cam, Tab-In Hinge
Material
Steel
For Duct Shape
Rectangular
Max Temp Rating
175°F
Insulation Material
Fiberglass

Technical Documents

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

Product Description

The DUCTMATE Duct Access Door (SKU 3G-OTH-76970) is a 20 in x 20 in flat access door made of steel with fiberglass insulation, designed for rectangular ducts. It features a single cam, tab-in hinge, and a maximum temperature rating of 175°F (MPN GRFDH20GA).

Frequently Asked Questions

What is a DUCTMATE duct access door used for?

A DUCTMATE duct access door provides maintenance access to rectangular HVAC ductwork. It is used in commercial and industrial ventilation systems for inspection, cleaning, and repairs. The steel construction with fiberglass insulation suits temperature-controlled environments up to 175°F.

What are the specifications of the DUCTMATE 20 in x 20 in duct access door?

The DUCTMATE duct access door (MPN GRFDH20GA) measures 20 in x 20 in, is made of steel with fiberglass insulation, and is designed for rectangular ducts. It features a single cam latch and tab-in hinge, with a maximum temperature rating of 175°F.

Where to buy DUCTMATE duct access doors worldwide?

3G Electric supplies DUCTMATE duct access doors worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 20 in x 20 in model (SKU 3G-OTH-76970).

How to install a DUCTMATE duct access door?

Install the DUCTMATE duct access door by cutting a rectangular opening in the ductwork, securing the frame with screws or rivets, and attaching the door via the tab-in hinge. Ensure the gasket seals properly and the single cam latch engages fully. Follow standard HVAC sheet-metal practices.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Duct Access Door: 22 in x 22 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH22GA)
DUCTMATE
Duct Access Door: 22 in x 22 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH22GA)
Duct Access Door: 18 in x 18 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH18GA)
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Duct Access Door: 18 in x 18 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH18GA)
Duct Access Door: 10 in x 10 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH10GA)
DUCTMATE
Duct Access Door: 10 in x 10 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH10GA)
Duct Access Door: 6 in x 6 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC6GA)
DUCTMATE
Duct Access Door: 6 in x 6 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC6GA)
Duct Access Door: 14 in x 14 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH14GA)
DUCTMATE
Duct Access Door: 14 in x 14 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH14GA)
Duct Access Door: 16 in x 16 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH16GA)
DUCTMATE
Duct Access Door: 16 in x 16 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH16GA)

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Duct Access Door: 18 in x 18 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC18GA)
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Duct Access Door: 18 in x 18 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC18GA)
Duct Access Door: 6 in x 6 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH6GA)
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Duct Access Door: 6 in x 6 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH6GA)
Duct Access Door: 12 in x 12 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH12GA)
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Duct Access Door: 12 in x 12 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH12GA)
Duct Access Door: 20 in x 20 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC20GA)
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Duct Access Door: 20 in x 20 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC20GA)
Duct Access Door: 14 in x 14 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC14GA)
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Duct Access Door: 14 in x 14 in, 24 ga, Steel, Double Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDC14GA)
Duct Access Door: 13 in x 13 in, 22 ga, Steel, Thumbscrews, 200°F Max Temp Rating, 2 Mounting Stud (MPN GRDCI12GA)
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Duct Access Door: 13 in x 13 in, 22 ga, Steel, Thumbscrews, 200°F Max Temp Rating, 2 Mounting Stud (MPN GRDCI12GA)
Duct Access Door: 8 in x 8 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH8GA)
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Duct Access Door: 8 in x 8 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH8GA)
Duct Access Door: 24 in x 24 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH24GA)
DUCTMATE
Duct Access Door: 24 in x 24 in, 24 ga, Steel, Single Cam, Tab-In Hinge, 175°F Max Temp Rating (MPN GRFDH24GA)