We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

DUCTMATE Curved Access Door - Curved Access Doors
DUCTMATECurved Access Doors

DUCTMATE Curved Access Door

The DUCTMATE Duct Access Door (SKU GRDRI12820GA, MPN GRDRI12820GA) is a curved access door for 19 in to 20 in round ducts. It is constructed from 22 ga steel with fiberglass insulation and has a maximum temperature…

SKU 3G-OTH-79089

Brand
DUCTMATE
Item
Curved Access Door
Category
Curved Access Doors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

DUCTMATE
Manufacturer Part Number
GRDRI12820GA
Type
8 in x 12 in, 22 ga, Steel, Knobs
Material
Steel
For Duct Shape
Round
Max Temp Rating
200°F
Insulation Material
Fiberglass

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 GRDRI12820GA, MPN GRDRI12820GA) is a curved access door for 19 in to 20 in round ducts. It is constructed from 22 ga steel with fiberglass insulation and has a maximum temperature rating of 200°F. The door features knob-style fasteners and measures 8 in x 12 in.

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

What is a DUCTMATE curved duct access door used for?

A DUCTMATE curved duct access door provides maintenance access to round HVAC ducts. It is designed for 19 in to 20 in round ducts, allowing technicians to inspect, clean, or repair internal components without cutting into the ductwork.

What are the specifications of the DUCTMATE GRDRI12820GA access door?

The DUCTMATE GRDRI12820GA is a curved access door for 19 in to 20 in round ducts. It is made of 22 ga steel with fiberglass insulation, measures 8 in x 12 in, and has a maximum temperature rating of 200°F. It uses knob-style fasteners for secure closure.

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 availability and lead time on the GRDRI12820GA model.

How to install a DUCTMATE curved access door on a round duct?

To install a DUCTMATE curved access door, cut an opening matching the door size in the round duct. Secure the door frame with screws or rivets, ensuring a tight seal. Use the knob fasteners for easy opening. Follow standard HVAC practices for insulation and sealing.

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 curved 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Duct Access Door: For 15 in_16 in Ducts, 8 in x 12 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI12816GA)
DUCTMATE
Duct Access Door: For 15 in_16 in Ducts, 8 in x 12 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI12816GA)
Duct Access Door: For 23 in_24 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI161224GA)
DUCTMATE
Duct Access Door: For 23 in_24 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI161224GA)
Duct Access Door: For 21 in_22 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI161222GA)
DUCTMATE
Duct Access Door: For 21 in_22 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI161222GA)
Duct Access Door: For 33 in_34 in_35 in_36 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161236GA)
DUCTMATE
Duct Access Door: For 33 in_34 in_35 in_36 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161236GA)

More from DUCTMATE

View all DUCTMATE parts
This curved steel access door is designed for round ducts with a diameter of 5 to 6 inches. It features a 4-inch by 8-inch opening, 22-gauge steel construction, and fiberglass insulation rated for temperatures up to 200°F. The door is secured with knobs for tool-free access, allowing inspection and maintenance of HVAC ductwork
DUCTMATE
This curved steel access door is designed for round ducts with a diameter of 5 to 6 inches. It features a 4-inch by 8-inch opening, 22-gauge steel construction, and fiberglass insulation rated for temperatures up to 200°F. The door is secured with knobs for tool-free access, allowing inspection and maintenance of HVAC ductwork
This curved access door is designed for round HVAC ducts with diameters of 17 to 18 inches. It features a 22-gauge steel construction with fiberglass insulation and an 8 x 12-inch opening secured by knob-style fasteners. Rated for a maximum temperature of 200°F, it provides entry for inspection, cleaning, and maintenance of duct interiors
DUCTMATE
This curved access door is designed for round HVAC ducts with diameters of 17 to 18 inches. It features a 22-gauge steel construction with fiberglass insulation and an 8 x 12-inch opening secured by knob-style fasteners. Rated for a maximum temperature of 200°F, it provides entry for inspection, cleaning, and maintenance of duct interiors
Curved access door designed for round HVAC ducts with diameters of 45 to 48 inches. Features an 18 in x 24 in opening, constructed from 18-gauge steel with fiberglass insulation, and secured with knob-style fasteners. Provides maintenance access for inspection, cleaning, and repair of duct interiors
DUCTMATE
Curved access door designed for round HVAC ducts with diameters of 45 to 48 inches. Features an 18 in x 24 in opening, constructed from 18-gauge steel with fiberglass insulation, and secured with knob-style fasteners. Provides maintenance access for inspection, cleaning, and repair of duct interiors
Duct Access Door: For 10 in_11 in Ducts, 8 in x 12 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI12811GA)
DUCTMATE
Duct Access Door: For 10 in_11 in Ducts, 8 in x 12 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI12811GA)
Duct Access Door: For 29 in_30 in_31 in_32 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161232GA)
DUCTMATE
Duct Access Door: For 29 in_30 in_31 in_32 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161232GA)
Duct Access Door: For 37 in_38 in_39 in_40 in Ducts, 18 in x 24 in, 18 ga, Steel, Knobs (MPN GRDRI241840GA)
DUCTMATE
Duct Access Door: For 37 in_38 in_39 in_40 in Ducts, 18 in x 24 in, 18 ga, Steel, Knobs (MPN GRDRI241840GA)
Duct Access Door: For 7 in_8 in_9 in Ducts, 4 in x 8 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI849GA)
DUCTMATE
Duct Access Door: For 7 in_8 in_9 in Ducts, 4 in x 8 in, 22 ga, Steel, Knobs, 200°F Max Temp Rating (MPN GRDRI849GA)
Duct Access Door: For 25 in_26 in_27 in_28 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161228GA)
DUCTMATE
Duct Access Door: For 25 in_26 in_27 in_28 in Ducts, 12 in x 16 in, 20 ga, Steel, Knobs (MPN GRDRI161228GA)