Curved access door

Item code: CAD
Application :Curved access door for maintenance of circular ducts

· Item code: CAD

· Application :Curved access door for maintenance of circular ducts

· Material: Galvanized steel DX51 D+Z 275 and Galvanized steel DX51 D+Z 80 are available

· Bolts/nuts:Mild steel and Zn coating.

· Gasket: cellular sponge gasket

· Locking knob color: available in red & blue color

· Door sizes: 180x80mm, 200x100mm, 250x150mm, 300x200mm, 400x300mm, 500x400mm, 600x450mm

· Suitable for circular duct diameter from 80mm to 1250mm

· Installation:

· 1. Stick self adhesive template on to duct

2. Cut out aperture (there is a tolerance of +3mm)

3. Install door by unscrewing the hand knobs with top of bolt. Using both hands to place the door in the hole at an angle, turn straight and pull out slightly to align, then tighten knobs.





Established in 1997 & located in Yuyao Ningbo China, Yuyao Jingqiao Hardware Factory (also names as Ningbo Aier Ventilation Equipment Co., Ltd) has been a leading manufacturer of HVAC Accessories & Custom Metal Stamping Parts for over 20 years

Our advantages

Hydraulic Press Production Line
Progressive Die Pressing Production Line
Robot Arm Transfer Production Line
Fully Automatic Powder Coating Line
In-house Tooling Workshop
Assembling Lines
· Competitive Pricing

· Strict Quality Control

· Fast & Stable Delivery Time

· Comprehensive Range

· Strong R&D Support