Best selling Customized size Galvanized steel flexible ductwork duct access door

$4.00 - $35.00
Min. Order
50 Pieces
Choose your specifications
Company Information

Hangzhou Qualpro Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 40,000+
7 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Ningbo or Shanghai
Payment Terms: L/C,T/T
Supply Ability: 10000 Perch/Perches per Month
Place of Origin: China
Brand Name: Qualpro
Model Number: AP7411
Open Style: Rolling
Position: Commercial
Surface Finishing: Finished
Type: Security Doors
Door Material: Stainless Steel
Product name: Duct Access Door
Material: Galvanized steel
Color: Silver
Size: 300mm*200mm
Advantage: High quality
OEM: Accept
Style: Classic
Opening direction: Outward
Function: Security System
Warranty: 5 Years
Packaging Detail: According to your requirement, always carton and pallet

Middle East Style Duct Access Door Zinc Plated Steel Curved Duct Access Door 


Curved Duct Access Door AP7411

This access door are widely used in duct system. Convenient for all kinds of valves in the piping, fittings and so on maintenance/repair work unit.
Access Doors for Round ducts are fabricated of galvanized steel. They have their own gaskets; no sealant is required, even for high-pressure applications  

-Easy to install with notched edges, to provide for a quick and simple installation
-Galvanized steel, rust-proof
-Widely used in duct system
-Flat & Curved frame
-With the gaskets
-OEM is available


Model No.Diameter
Nom Size
L*W (mm)
Duct Access Door 7411100


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Company File

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Qualpro Technology Co.,Ltd is specialized in the field of Access Panels & Doors,Air Grille & Diffuser, Air Duct & Fire Damper and HVAC products for more than 10 years.

Most of our products meet certain international quality standard, an excellent team which is experienced with market and has strong technical capability to customize cost effective and high quality products for customers at home and abroad.

Qualpro Technology has been keeping to make great efforts to update our management, techniques and efficiency, the user experience from quality, service, technology, appearance, structure, function, design, details, etc., so as to provide much better services for customers. 

Committed to long-term mutual beneficial cooperation, we cherish every business and friendship!


Products Showroom



Our Certifications



Famous Exhibitions


Workshop View


As the leader company in access panel for more than 10 years.

-10 years manufacture experiences with 2000 square meters factory in China.
-Export to over 45 countries around the world.
-About 20 different types Access Panel with Aluminum / Steel / Plastic FrameCustomized is available.
-4 Modern production lines and 150 experienced workers.

Production Flow

Production Flow

After 10 years' development,the area of our factory was expanded to 20000 square meters. Purchasing department, R&D department, QC department and Production department are independent, so that we could confirm the quality of all products, standard package and delivery just-in-time. What most important is that we have a team for after-sale service.
At the same time, welcome the cooperation sample, technical drawing or design concept provided!



Access Panel is widely used in ceilings,walls,plumbings,ducts,values,switches,cupboard units etc.
Access Panel applications for home renovation projects, contractors, builders and building supply retail:
-Wall Access - Use an access panel to access wires, valves, cables, conduits inside a wall by cutting an opening into the drywall or sheetrock and installing an access panel. Perfect for home security installations and home theater installations. 

-Ceiling Access - Use access panels to access vents, wiring, cable shafts, conduits inside a ceiling. Simply cut an opening into your ceiling, apply a bead of adhesive on the outer flange and press the access panel frame in place. Perfect for any application that requires a whole to access a ceiling. 

-Access Holes in Furniture - Access panels are perfect for hiding unsightly wiring. Cut an opening into closets or desks, install an access panel, and use the pre notched knock-outs in the access door to pull through wiring.

-Home Security Applications - Need to install a hidden valve or sprinkler control panels, outside camera wiring, or other home security applications? The access panel is your solution. Simply use the access door frame as a template to draw the size of the opening needed, use a saw to cut out the opening and insert the access panel.

-Outdor Pool and Hot Tub Installation - An access panel comes in handy when installing pool pump valve and pool filter related equipment. Access panels provides easy access. Simply use a screw driver or similar, insert it into one of the door release holes and pop out the access door. The high impact ABS Plastic material of the access panel is UF treated and does not fade and is water resistant. A real time saver for professional installers as well as do-it-yourselfers. 

-Bathroom Renovation Projects - Replacing your bath tub with a new whirlpool tub? Need access to your wall. Look no further. The access panel is easy to install and easy to use. Create a seamless look by installing the reversible access frame in a flush mount prior to building your wall. Simply nail the outer flange to the wood framing and build up the drywall to the lip of the frame to create a flush mount installation. Now you can even tile on the access panel door to create that seamless look.

Package & Delivery


Packing: Usually 10 pcs/carton or customized 
Lead Time: Within 20 days after order confirmed 
Loading Port: Wuhu, Shanghai, Ningbo 
Shipping: By sea; By air; By express 
Sample time: About 7 days 


1, Q: Are you a factory or a trading company?

A: We are a professional Idustrial and Trading Comany, and have more than 10 years production experience.


2, Q: Could you provide some sampes?

A: We will be happy to send you free existing samples if you need check the quality.


3, Q: How does your factory do regarding quality control?

A: "Quality is priority." We always attach great importance to quality control from the begining to the end.


4, Q: What is your MOQ?

A: Any quantity is acceptable for your order. And the price is negotiable for large quantity.


5, Could you give me customized products?

A: Yes, you can send us your design drawing or a sample and it will be produced according to your requst.


6, which kinds of service you can provide?

1). Free samples 
2). 12h online service
3). On-time delivery service
4). Direct manufacturer with competitive price
5). 8 years Experienced factory providing OEM&ODM service
6). Provide the best after-sales service


Any other questions, please contact us.   

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