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	Home About Technical Systems Overview Technical Terms Principles of Air Diffusion Displacement Ventilation VAV System What is an Air Terminal Device - ATD Technical Tools & Selection Guides D-type diffuser - Blanking for 375 neck D-type diffuser - Blanking for 450 neck D-type diffuser - Blanking for 525 neck D-type diffuser - Blanking arrangement RAL colour chart Grille fixing selection Grille removable cores Grille nominal sizes Project Selection Template Rev A.xls Spigot Selection Tables Rev A.xls Installation Guides WFO-D Installation and Maintenance Manual CS Installation and Maintenance Manual LCS Installation and Maintenance Manual WFO-S Installation and Maintenance Manual WFO-T Installation and Maintenance Manual WVR1 Installation instructions WVK2 Installation Instructions Chilled Beams Installation,Operation,Maintenance DE Series Louvred Face Diffuser Installation and maintenance instructions DF Series (Lay-in) Louvred Face Diffuser Installation and Maintenance instructions DFA Series Louvred Face Diffuser installation and maintenance instructions DF & MD Series (Cut-In) Louvred Face Diffuser Installation and Maintenance Instructions WFO- P Series Floor Diffuser - Plenum Installation and Maintenance Instructions SDFC Series (Lay-in) Swirl Diffuser Installation and Maintenance Instructions SDFS Series (Lay-in) Swirl Diffuser Installation and Maintenance Instructions SDFC Series (Plasterboard) Installation and Maintenance instructions Data Sheets Plenum Insulation Specification WFO Checklist WVR1 Technical Data for Actuators WVK2 Technical Data for Actuators Powder Coating Film Thickness Certificate Environmental Considerations Waterloo and ISO14001 Environmental Policy Integrated Management System Accreditation ISO9001:2008 Quality Policy ISO9001:2008 Certificate Products Grilles Adjustable Blade Grilles 1H, 1V, 2H, 2V Single and Double Deflection Grilles 1RV, 2RV Adjustable Duct Grilles (R)RTC, 2(R)RTC Reversible Core Grilles Adjustable Blade Grille Photographs Fixed Blade Grilles 3HG, 3HJ, 3HF, GC5, PER Exhaust Grilles ALN, ALM, ALF, ALG, ALJ Airline Linear Grilles SG1, SG2, SG3 Security Grilles Fixed Blade Grille Photographs Door / Sidewall Grilles NS, DV, NSNL Air Transfer Grilles WFV,WFVG Fire Rated Transfer Grilles DSRX AcousticTransfer Grilles WPT Sidewall Grilles Door/Sidewall Grille Photographs Floor Grilles AFG Light Duty Floor Grilles HDFG Heavy Duty Floor Grilles Floor Grille Photographs Aircell Polymer Grilles Aircell S, D, G, A, T, E Aircell Polymer Grilles Aircell N Neck Reducers Aircell GO Opposed Blade Dampers OBSS Aluminium Opposed Blade Damper for E600 Aircell Polymer Grille Photographs Technical Information PBG, PBLG, PBSG Grille plenum boxes Grilles Fixings and Subframes Controls and Deflectors Diffusers Linear Diffusers CS-F, CS-P, CS-S&E, CS-WR Linear Slot Diffusers KCS-F, KCS-L Linear Slot Diffusers STKCS, STCS Linear Slot Diffusers DSL, DSL-D Linear Diffusers FCD1, FCD2 Linear Fan Coil Diffusers Plenum Chambers Linear Diffusers CSB Continuous Barrel Slot Diffuser Linear Diffuser Photographs Square Diffusers DF, DE, DFA Louvred Face Diffusers M300, M450, M500, M600, M625 Aircell Polymer Louvre Face Diffusers 2300, 2600 Aircell Polymer Diffusers LFF, LFM Laminar Flow Diffusers CPD, CPDE Perforated Face Diffusers KRCP, KRCPE Perforated Face Diffusers MWVP, MWVPD Perforated Face Diffusers WPD, MWPD Perforated Face Diffusers WID Perforated Face Diffusers Square Diffuser Photographs Luminaire Diffusers LUMDF Luminaire Diffusers Swirl Diffusers SDFC, SDFS Circular/Square Fixed Blade Swirl Diffusers SDFS-P Perforated Face Fixed Blade Swirl Diffusers SDFCH, SDICH, SDACH High Capacity Circular Swirl Diffusers SDVS, SDVC Vane Swirl Circular / Square Diffusers Swirl Diffuser Photographs Circular Diffusers RWI, RWI-R Circular Perforated Face Diffusers RWK, RWK-R Circular Plain Face Diffusers RWV, RWV-R Circular Plain Face Diffusers MC Small Format Circular Diffusers WR Large Format Circular Diffusers WFO, WFOV Aircell Polymer Floor Diffusers Circular Diffuser Photographs Jet Diffusers WDJ Drum Jet Diffusers VS3 Supply Air Nozzles RWH, RWH-P Hi-Flo Jet Diffusers VA, VB, VC Steel Supply and Exhaust Valves RPVB Aircell Polymer Supply and Exhaust Valves Jet Diffuser Photographs Louvres External Fixed Blade Louvres WG-EF, WG-RF Large Format Fixed Blade External Louvres YG-EF, YG-RF Small Format Fixed Blade External Louvres Bespoke Design External Fixed Blade Louvre Photographs Adjustable Louvres WGK-EF, WGK-RF Large Format Adjustable Louvres YGK-EF, YGK-RF Small Format Adjustable Louvres Adjustable Louvre Photographs Acoustic Louvres WGA Acoustic Louvres WSR Additional Straight Blade Acoustic Louvres Acoustic Louvre Photographs Penthouse Louvres WGD Premium Penthouse Louvres WGPH Penthouse Louvres Penthouse Louvre Photographs Sand Louvres SL-EF, SL-RF Sand Louvres Sand Louvre Photographs No Sight Louvres YGT-EF, YGT-RF No Sight Louvres No Sight Louvre Photographs Chilled Beams Active Beams ABM 300 Retangular Active Beam ABM 600x600 Square Active Beam ABM 300 Retangular Active Beam Options ABM 300 Selection Data - Standard Unit ABM 300 Selection Data - Reduced Pitch Option Active Beam Photographs Passive Beams Void Mounted Beam Surface Mounted Beam Passive Beam Photographs VAV Volume Flow Rate Controllers WVR1 WVR1 Volume Flow Rate Controllers WVR1 Volume Flow Rate Controllers Sound Power Volume Flow Rate Controllers WVR1 Photographs Rectangular Variable Air Volume Damper WLMS Rectangular Single Skin Air Volume Damper WLMD Rectangular Double Skin Air Volume Damper Rectangular Variable Air Volume Damper Photographs Round Variable Air Volume Damper WRS Round Single Skin Air Volume Damper WRD Round Double Skin Air Volume Damper Round Variable Air Volume Damper Photographs Variable Air Volume Damper with Sound Attenuator WVSV-S Variable Air Volume Damper with Sound Attenuator for Supply WVSV-E Variable Air Volume Damper with Sound Attenuator for Extract Variable Air Volume Damper with Sound Attenuator Photographs Volume Flow Rate Controllers WVK2 WVK2 Volume Flow Rate Controllers Sound Power WVK2 Volume Flow Rate Controllers Hot Water Heaters WHWQ Hot Water Heaters Displacement Displacement unit to be recessed in a wall EIO,EIC,EIR Displacement Technical Information Technical Information Displacement unit for floor assembly EBO Displacement unit for wall mounting APO,APC,APR Displacement unit to be recessed into walls EWO,EWC,EWR Semi circular displacement unit ARC Displacement unit for wall and ceilling mounting ATO,ATC,ATR Quarter round displacement unit AVC Hygiene unit HMO,HMC,HMR Displacement unit for auditoria GWR Circular displacement unit ABC Displacement unit for wall and floor mounting AKC,AKD,AKE Bow shaped displacement unit AWB Semi recessed wall unit ERC Displacement Ventilation General Projects Retail Marks and Spencer Pantheon Store Fortnum & Mason Esprit Commercial Hospitals Air Distribution Products for Hospitals and Medical Centres St Anna Hospital - 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