Grilles and Diffusers

B Series - Floor Swirl Diffuser, T Series Grilles

The B series floor/swirl diffusers are designed for use in raised access flooring systems where the floor cavity is used as a pressurised supply air plenum.

Information on the T Series of Computer Floor Grilles and T Series Linear Bar Grilles is also available.

CB Series - Linear Slot Diffuser

Colman’s Model CB is a high capacity linear slot diffuser suited to a wide variety of applications. The advantages of using CB slot diffusers are its use for buildings which require large air change rates and on VAV applications where high turndown ratios are required.

CE Series - Linear Slot Diffusers

Colman’s Model CE is a multi-purpose linear slot diffuser suited to a wide variety of applications. Its simple and cost effective design, with adjustable blades and optional number of slots, means the diffuser will co-ordinate with most building environments, and ensures it can provide an attractive and economic solution to many air distribution requirements.

DWS Series - Swirl Diffusers

The DWS type swirl diffuser has been designed to supply cooled or warmed air to a wide range of commercial applications. A high level of induction is achieved due to the pitch of the radial outlet pattern combined with a high relative free area.

DWT Series - Swirl Diffusers

The DWT Series of swirl diffusers have been designed for the supply of cooled or warmed air to a wide range of commercial applications.

E Series - Eyelash Diffusers

Colman’s E Series range of aluminium curved blade diffusers have been designed to provide an attractive and flexible solution to a wide variety of air distribution requirements.

G Series - Return Air Grilles

Colman’s range of Return Air Grilles have been designed to complement our Supply Diffusers for both side wall and ceiling applications. The range is available in a wide variety of styles and sizes to suit individual application requirements.

G Series - Supply Grilles

Colman’s range of Supply Grilles have been designed to compliment our extensive range of Return Air Grilles. The range is suitable for side wall applications and is available in a wide variety of styles and sizes to suit individual application requirements.

G Series - Transfer Grilles

Colman’s range of Transfer Grilles are suitable for installation in Doors, Walls and Partitions, where the transfer of air from room to room is required.

L Series - Circular Diffusers

Colman’s L Series range of aluminium circular diffusers have been designed to provide an attractive and flexible solution to a wide variety of air distribution requirements. With adjustable cores, the range is suitable for most commercial or industrial applications.

L Series - Swirl Diffusers

Colman Moducel’s L series circular swirl diffusers constitutes a perfected solution to the problems of high comfort air conditioning of high rooms and in a wide variety of applications. In the air conditioning of high rooms e.g. factories, exhibition halls, theatres or sports centres, energy saving requirements call for highly controlled air supply systems.

Model AOOJ - Exhaust Valves

AOOJ Exhaust Valves are an aesthetically pleasing terminal device which combine good appearance with accurate control over exhaust air volumes. The careful aerodynamic and acoustic design of the unit ensures low sound levels even at high pressure drop settings.

Model AOOK - Supply Valves

AOOK Supply Valves are an aesthetically pleasing terminal device which combine good appearance with accurate control over supply air volumes. The careful aerodynamic and acoustic design of the unit ensures low sound levels even at high pressure drop settings.

Model CD - Linear Slot Diffusers

Colman Moducel’s model CD is a high capacity linear slot diffuser with a curved blade profile specifically designed for applications that require high air volumes with short throws. This makes it particularly suited to VAV systems where it’s ability to turndown to 20% of maximum air volume whilst still maintaining effective air distribution is crucial.

N Series - Nozzle Diffusers

‘N’ Series range of nozzle diffusers are based on a patented nozzle design that allows architects and consultants to have total flexibility when considering their air distribution requirements. The nozzles rotate so that any air pattern can be accommodated.

P Series - Laminar Flow Panels

Designed for use in specialist applications where the mixing of fresh and existing room air and the subsequent spreading of airborne particles cannot be tolerated, the Colman Moducel laminar flow systems provide very low turbulence fresh air in a vertical flow pattern, avoiding up-currents and providing a clean, germ-free air zone. They are therefore ideally suited for use in hospital operating theatres, laboratories, computer rooms and television studios amongst others.

P Series - Perforated Face Diffusers

Colman’s P Series range of perforated face diffusers have been designed to provide an attractive and flexible solution to a wide variety of air distribution requirements.

S Series - Louvre Face Diffusers

The S series range of aluminium louvre faced diffusers has been designed to give an attractive appearance combined with excellent air distribution characteristics. The range is available in a wide variety of styles and sizes and can be used for both supply and extract applications.

T Series - Linear Bar Grilles

Colman Moducel’s ‘T’ Series is a comprehensive range of supply and return air linear bar grilles suitable for incorporation in ceiling, sidewall, cill and floor applications. The range includes a wide variety of frames and core styles which will co-ordinate with most building environments and provide an aesthetic and cost effective solution to the air distribution requirements.

W Series - External Louvres

The Complete Service for: Colman Weather Louvres, Standard Range, Penthouse Louvres, Continuous Appearance Louvres

W Series - Site Assembled Clip-In Louvre System

Colman have been supplying and installing louvres for over 30 years and have developed a site assembled ‘clip-in’ system – ideal for fast-track projects and those where access can be a problem.