AccessShield - Duct Access Doors

P1000736.jpg
P1000736.jpg

AccessShield - Duct Access Doors

Key Features

Complies with the latest DW144 leakage specification.

Designed for inclusion into ductwork, for access to dampers, duct cleaning inspection and maintenance.

Options for square and rectangular ductwork




Range Overview

Series C 

Designed for inclusion into circular ductwork, for access to dampers, duct cleaning inspection and maintenance.

Features 

  • Choice of three sizes to suit circular ducts of between 80mm diameter to 1016mm diameter.
  • Quick installation.
  • Self-adhesive template.
  • Manufactured from galvanised steel pressing.
  • Fast removal and door replacement without the use of tools.

Series O

Designed for inclusion in insulated or uninsulated ductworkfor access to dampers, duct cleaning inspection and maintenance purposes.

Features

  • Choice of four sizes.
  • Suitable for flush fitting or surface mounting to the ductwork.
  • Positive cam and lock fastening.
  • Pre-punched holes for ease of installation.
  • Safety retaining chain.
  • Manufactured from galvanised steel

Series T

Designed for inclusion in ductwork, for access to dampers, duct cleaning inspection and maintenance purposes. (Square and rectangular access doors with Tab type fixing).

Features 

  • Choice of seventeen sizes.
  • Fast and simple installation.
  • Tab type fixing.
  • Double skin insulated construction.
  • Manufactured from galvanised sheet steel.
  • Positive cam and lock fastening.

Series C

Specification

The door comprises of two parts, an inner door and an outer door, held apart by two conical springs each around plated bolt.

Each bolt having a yellow captive plastic knob to compress the springs bringing the two parts together around the duct.

Each part is manufactured from pressed sheet steel with stiffening ribs.

The inner door includes a one joint gasket to provide a seal against the inside of the duct.

 

Product Range

Series Type – AS/C 080

Having a door size of 200mm x 80mm. (to suit circular duct sizes of 80mm dia, 100mm dia & 125mm dia).

Series Type – AS/C 150

Having a door size of 250mm x 150mm. (to suit circular duct sizes of 150mm dia, 180mm dia, 200mm dia, 224mm dia, 250mm dia, 280mm dia, 300mm dia, 315mm dia, 355mm dia, 400mm dia & 450mm dia).

Series Type – AS/C 300

Having a door size of 400mm x 300mm. (to suit circular duct sizes of 400mm dia, 450mm dia, 500mm dia, 560mm dia, 630mm dia, 711mm dia, 762mm dia, 813mm dia, 914mm dia & 1016mm dia).

Options

As an optional extra the Acess/Shield Series C type removable access doors for circular ductwork can be supplied with a rubber extrusion, to create a safe edge around the cut hole.


Series 0

Specification

Door

The door is a two panel design for a strong and robust assembly. The inner and outer panels are manufactured from pressed galvanised mild steel (0.56mm for Sizes AS/O 1, 2 and 3 and 0.7mm for Sizes AS/O 4 and 5).

The standard thickness is 25mm nominal.

Insulation

The insulation which is totally contained between the door panels, has excellent thermal, acoustic and fire resisting properties, with a thermal density of 40 kg/m3.

Seal

The extruded seal with welded seam incorporating an integral flexible “hollow tube”, ensures a low leakage performance and is fitted between the two door panels for strength and stability.

Frame

The pressed one piece combined flange/frame is manufactured from galvanised mild steel (0.56mm for Sizes AS/O 1, 2 and 3 and 0.7mm for Sizes AS/O 4 and 5).

Both the inner and outer flanges are pre-punched.

Latches

The Zinc plated steel progressive cam fasteners and clamps (two sets for Sizes AS/O 1 and 2, four sets for Sizes AS/O 3 and six sets for Sizes AS/O 4 and 5) positioned at strategic locations for optimum closure and low leakage.

Security Chain

A retaining safety chain is fitted to both door and frame.

Sizing

The product range includes five sizes of door in the following flat oval arrangements:–

Size (Approx Weight in kg)

200mm x 125mm (0.7)

300mm x 150mm (1.2)

460mm x 260mm (2.2)

550mm x 360mm (3.4)

650mm x 450mm (4.3)


Series T

Specification

Door

The door manufactured in galvanised sheet steel and of double skinned construction. 25mm thick.

Insulation

The insulation which is contained between the door panels, has excellent thermal and acoustic properties, with a thermal density of 45 kg/m3.

Seal

The frame incorporates a compression sealing gasket.

Frame

The frames comprise of a folded galvanised steel Z section with castellated edge tabs for folding over into the duct opening, thus there being no need for rivets in fitting the assembly.

Latches

The half turn cam fasteners are positioned at strategic locations for optimum closure, low leakage and quick release for access.

Options

Please contact Customer Service for information on the following options; external flanges to retain duct insulation edges, hinged doors and wire safety tie.

Sizing

Size/TypeDoor Size (mm)Weight (kg)
AS/T 1010100x1000.5
AS/T 1015100x1500.6
AS/T 1020100x2000.7
   
AS/T 1515150x1500.75
AS/T 1520150x2000.8
AS/T 1530150x3001
   
AS/T 2020200x2001
AS/T 2030200x3001.75
AS/T 2040200x4002
   
AS/T 2525250x2501.75
   
AS/T 3030300x3002
AS/T 3045300x4502.75
AS/T 3060300x6003
   
AS/T 4040400x4003.5
AS/T 4060400x6004
AS/T 4545450x4503.75
AS/T 6060600x6006

Product Documents

Title Type Added Link
AccessShield Series T - Removable Insulated Square and Rectangular. Access Doors with Tab type Fixing. Datasheets about 3 months ago Download >
AccessShield Series C - Removable Access Doors for Circular Ductwork. Datasheets about 3 months ago Download >
AccessShield Series O - Removable Insulated Access Doors. Datasheets about 3 months ago Download >
AccessShield Catalogue Brochure about 8 months ago Download >

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