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PERFORATED
FACE CEILING
DIFFUSER

A range of perforated face diffusers designed to provide an aesthetically pleasing answer to air distribution and to complement modern ceiling systems. Suitable for heating and cooling applications where the mounting height is less than 3 metres. Each diffuser has an hinged removable core and supply air models have site adjustable deflection
blades behind the perforation to modify the configuration of the diffuser or increase the discharge velocity.

STANDARD•
Code 0339. Perforated diffuser with flush face.

Code 0340. Perforated diffuser with a dropped face.

Code 0341. Perforated diffuser with a box face.

Code 0580. A tile replacer version of the Code 0339 with an overall flange size to fit into a `T´ bar ceiling system.

Code 0581. A tile replacer version of the Code 0339 with a square edge flange and overall size to fit a clip or
tegular type ceiling. Please provide details of ceiling.

Code 0582. A tile replacer version of the Code 0339 with a bevelled edge flange and overall size to fit a clip or
tegular type ceiling. Please provide details of ceiling.

Code 0583. A tile replacer version of the Code 0340 with an overall flange size to fit into a `T´ bar ceiling system.

Code 0584. A tile replacer version of the Code 0340 with a square edge flange and overall size to fit a clip or
tegular type ceiling. Please provide details of ceiling.

Code 0585. A tile replacer version of the Code 0340 with a bevelled edge flange and overall size to fit a clip or
tegular type ceiling. Please provide details of ceiling.

Code 0586. A tile replacer version of the code 0341 with an overall flange size to fit into a `T´ bar ceiling system.

 
Standard Specification

SIZES
Codes 0339, 0340 & 0341. 50mm increments in
square nominal size from 200mm to 450mm.
Codes 0580 to 0586. See table below.

CONSTRUCTION
Aluminium frame with mechanical joints to lock the mitred corners. Sheet steel deflectors and core. Hinged and removable core for access to the damper and for cleaning.

FINISH
Powder coated to RAL 9010 satin.

 

 

Standard Specification

FIXINGS
Codes 0339, 0340 & 0341. Screw fix through the neck of the diffuser into the duct or grille box.
Un-punched flanges. (Fixing type 0F7).
Codes 0580, 0583 & 0586. Lay-in to a `T´ bar
system. Un-punched borders. (Fixing type 0F9.
Codes 0581, 0582, 0583 & 0584. require the
addition of the appropriate clips or extended boader to lock into the system. Un-punched borders. (Fixing types 0F4 & 5). It is essential that any duct or grille box that is to be attached to any of the above
diffusers is in dependently supported.

PACKAGING
Each diffuser is shrink wrapped in polythene with additional cardboard support to the faces.

 

Tile Replacement Perforated Face Ceiling Diffusers

Opposed blade damper.
A clip on opposed blade damper (Code 0106) can be fitted to all the diffusers. Access to the damper is through the hinged core.

Circular flap damper.
A flap damper (Code 0531) can be fitted to the
circular neck of a pan adaptor.

Tile replacer plate.
Code 0368. An aluminium plate to convert a correctly sized diffuser to a tile replacer size, 595mm x 595mm overall. The plate is painted the same colour as the
diffuser.

Finishes.
Any BS, RAL or NCS colour. Code 0145. Please
specify the colour reference. We would recommend that the pattern controllers and core are manufactured from aluminium if this product is to be used in a swimming pool environment. We are able to do this provided the quantities are sufficient. Please
contact Head Office for details.

Fixings.
Codes 0581, 0582, 0584, 0585. Clips (Code 0430) for locating diffuser in a clip type ceiling system (Fixing type 0F4) or clips (Code 0432) for a tegular type ceiling system (Fixing type 0F5). These clips will fit ceiling systems such as Burgess, Armstrong, CAPL or others. Please specify type and make of ceiling. See page 22 for details.For other types of fixings,
including face screw fixing, (fixing type OF1) see Fixing Methods section.

TECHNICAL INFORMATION
Blanking plates on tile replacer units are not
necessary as the adjustable pattern blades can be closed to avoid dumping. See pages 22-25 inclusive for
performance data.

 

PAN ADAPTORS & PLENUM BOXES

(Un-insulated)
Top entry pan adaptor without flange, suitable for use on a
diffuser without an opposed blade damper (120mm high). Code 0334.Top entry pan adaptor without a flange, suitable for use on a diffuser without a damper (17mm high). Code 0338. This height of pan should only be used where the spigot diameter plus 50 is equal to or more than the smallest nominal dimension of the pan. Top entry pan adaptor without flange, suitable for use on a diffuser with an opposed blade damper (120mm high). Code 0333.Side entry plenum box without flange, suitable for use on a diffuser without an opposed blade damper. Code 0325.Side entry plenum box without flange,
suitable for use on a diffuser with an opposed blade damper. Code 0330. Details are shown in the Sheet Metal Work section along with codes covering insulated plenum boxes.

Pan adaptors and plenum boxes can be fitted with quadrant dampers in the spigot for either manual (Code 0483) or cord operated (Code 0484) control.

We can also design boxes with non standard heights where there is limited space above a ceiling. Please contact our technical staff at Head Office.

ORDERING DETAILS

• The Code for the basic product should have at least
13 digits. See page 1.
• Always give the core style required.
• Add codes for additions / alternatives as suffixes.
• Please note that the nominal size is the opening in the duct or grille box, not the opening in the ceiling.

EXAMPLE:
A 4 way blow perforated diffuser with flush face,
nominal size of 300mm x 300mm, painted RAL 9010 satin, with a side entry plenum box complete with cord operated damper in the spigot would be coded:- 0339/00300/0300E+0325+0484.

Applications. Supply * Extract * Ceiling *

CORE STYLES

PERFORATED PLATE DIFFUSER - TECHNICAL INFORMATION
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 
   
 
 
 
   
   
   
   
   
 
  SCOTTAIRE Davy Way, Llay Industrial Estate, Wrexham,LL12 0PG Tel: 01978 856555 Fax: 01978 856655 Email: sales@scottaire.com