The standard duct access door sizes have been selected after careful study of the needs of site

engineering and maintenance personnel. Each door allows a different degree of access, enabling the most appropriate unit to be specified, depending on the type of equipment installed in the ducting, and

the likely maintenance needs.

Features:

Choice of five ergonomic sizes.

Thermal, acoustic and fire retardant insulation.

Double skin, sandwich construction lift off doors.

Simple progressive camlock fastening.

Positive seal gasket.

Pre-punched flange holes for easy installation. 

Safety retaining chain as standard.

Oval shape for easy cut-out, template provided with each carton.

Suitable for plain and insulated ducting

Technical Specification :

Material and Specifications

Frame

Seamless one piece pressed 0.7mm galvanised mild steel

Door

Two section construction comprising an outer panel and an inner panel, both manufactured from 0.7mm galvanised mild steel

Insulation

20mminsulation, giving excellent thermal, accoustic and fire retardent characteristics

Seal

One piece, long memory,compression seal. )for use up to 80 degree C)

Fasteners

Progressive action zinc plated cam-lock fasteners

Retaining Chain

A safety retaining chain is fitted as standard to frame/door

Our main products and services as following,

Air Diffusers ,grilles and registers --All kinds of aluminum/metal/ABS/wooden air diffusers and air grilles, such as ceiling diffusers, floor registers, door grilles ,egg crate grilles,side wall registers, square/round air diffusers, deflection grilles, return air diffusers,jet diffusers ,swirl diffusers and linear slot diffusers, etc.

Ductwares –Access doors are designed to provide convenient, economical access to duct components.  such as ceiling access door ,duct  access door with panel, access door , etc.

Dampers—Many kinds of aluminum/metal air dampers,diffusers dampers and fire dampers ,etc.

Accessories---Corners, egg crate core,l kinds of filter screen,plug damper,duct clips,rapidkit,perforated strap,etc.