Air Handling Reference Catalogue
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- Rose Gaines
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1 Air Handling Reference Catalogue
2 Contents Double Deflection Grille... 4 Slimline Wall Grille... 9 Slimline Floor Grille Half Chevron Return Air Grille Eggcrate Grille Expanded Mesh Grille Car Park Mesh Grille Aluminium Door Grille Weather Louvre Double Trap Weather Louvre Slimline Weather Louvre Linear Slot Diffuser A Blade Linear Slot Diffuser U Blade Light Air Boots Directional Diffuser High Volume Swirl Diffusers Circular Diffusers Round Ceiling Diffuser Adjustable Jet Diffusers Perforated Square Diffusers Flanged Jet Diffuser Plenum Boxes Linear Plenum Box Grille Plenum Opposed Blade Damper Adjustable Stream Splitter Zero Poly Insulated Duct Superflex 3-Zero Poly Insulated Duct Aludec Nude Core Duct Bradflo reserves the right to make changes to product without prior notice V16.1 Page 2
3 SECTION A Grilles and Louvres Bradflo reserves the right to make changes to product without prior notice V16.1 Page 3
4 DOUBLE DEFLECTION GRILLE AUR SECTION A - GRILLES AND LOUVRES Description The Double Deflection Grille is designed for use in supply applications but equally suited to the return air installation. The grilles have adjustable blades fitted horizontal in the front and vertical in the rear. There is an optional removable grille core to facilitate ease of installation and cleaning. All grilles feature attractively designed extruded aluminium features. A single deflection grille is available fitted with front horizontal blades only. Standard finishes are in natural anodised or powdercoat white but other colours available upon request. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 4
5 DOUBLE DEFLECTION GRILLE AUR SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 12 x 12 (300mm x 300mm) grille with a removable core, the ordering code would be AURR1212. Note - Shaded areas indicate standard product. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 5
6 DOUBLE DEFLECTION GRILLE AUR SECTION A - GRILLES AND LOUVRES Application Free area for standard size double deflection grilles. Free Area Factor To calculate the free area, the grille s nominal area is multiplied by f1, where f1 is a correction factor and is determined by the graph. For single deflection the nominal size is the grille s Y dimension. For double deflection it is the grille s X dimension. Example: Size 300 x 150 single deflection. From the graph, f1 = 0.79 for the grille height of 150. The grille s free area is therefore: 300/1000 x 150/1000 x 0.79 = m 2. For a double deflection include the factor f1 for the grille length. The free area would therefore be: 300/1000 x 150/1000 x 0.79 x 0.80 = m 2. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 6
7 DOUBLE DEFLECTION GRILLE AUR SECTION A - GRILLES AND LOUVRES Performance Graphs Throws shown are to a terminal velocity of 0.60m/s and 0.30m/s respectively. Encountered air velocities will depend on room configurations and the occupant satisfaction depends on the location of the terminal air velocity in relation to the occupied zone. These graphs are for selection only and should not be used for commissioning. The throw data is based on isothermal air. Performance data: 0 deflection Performance data: 22 deflection Bradflo reserves the right to make changes to product without prior notice V16.1 Page 7
8 DOUBLE DEFLECTION GRILLE AUR SECTION A - GRILLES AND LOUVRES Performance data: 45 deflection Bradflo reserves the right to make changes to product without prior notice V16.1 Page 8
9 SLIMLINE WALL GRILLE AST, AAT SECTION A - GRILLES AND LOUVRES Description The Slimline Wall Grille is designed for use in supply, return or exhaust air applications. They are manufactured from high quality aluminium extrusion with a choice of two blade angles, 0 and 15 and supplied as standard with a flange. They are recommended for side wall, or bulkhead mounting. A variation on the standard Slimline is the flangeless type which is popular with architects which utilises an I frame to hold the bar assembly. All grille core assemblies are mounted in a sturdy frame and can be either fixed core for security purposes or removable core for easy access. For Y sizes over 500mm and X sizes over 1200mm the core is fixed. Note for ceiling applications the grille must have a fixed core. The standard finish is natural anodised or powdercoat white but other colours available upon request. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 9
10 SLIMLINE WALL GRILLE AST, AAT SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 12 x 8 (300mm x 200mm) standard 15 deflection grille, the ordering code would be AAT1208. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 10
11 SLIMLINE WALL GRILLE AST, AAT SECTION A - GRILLES AND LOUVRES Application Size Correction Table Grille length (m) Add to NR value Multiply throw by The free area ranges between 75 to 79% of the grille nominal area. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 11
12 SLIMLINE WALL GRILLE AST, AAT SECTION A - GRILLES AND LOUVRES Performance Graphs Throws shown are to a terminal velocity of 0.60m/s and 0.30m/s respectively. Encountered air velocities will depend on room configurations and the occupant satisfaction depends on the location of the terminal air velocity in relation to the occupied zone. The throw data is based on isothermal air. Reference for a grille height x 1000mm long. The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 12
13 SLIMLINE FLOOR GRILLE ASTF, AATF SECTION A - GRILLES AND LOUVRES Description The Slimline Floor Grille is reinforced and designed for trafficable locations and computer rooms. This grille core is manufactured from high quality aluminium extrusion and fixed into a sturdy frame for security; it is non-removable. There is a choice of between straight or angles blades, 0 and 15. There is also a heavy loading floor grille specifically design to take point loads up to 450kg. It is manufactured from cast iron and available in two sizes; to suit either 600 x 300mm or 600 x 600mm floor openings. The standard finish is natural anodised or powdercoat white but other colours available upon request. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 13
14 SLIMLINE FLOOR GRILLE ASTF, AATF SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 12 x 8 (300mm x 200mm) standard 15 deflection grille, the ordering code would be AATF1208. Dimensions Important! The AAF and ASF floor grilles have been designed to withstand an evenly distributed load of 70 kg with a built in safety factor of two (2). If the load on the grille is likely to exceed 70 kg then that load should be specified at the time of ordering for specific design and pricing. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 14
15 SLIMLINE FLOOR GRILLE ASTF, AATF SECTION A - GRILLES AND LOUVRES Application Size Correction Table Grille length (m) Add to NR value Multiply throw by The free area ranges between 75 to 79% of the grille nominal area. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 15
16 SLIMLINE FLOOR GRILLE ASTF, AATF SECTION A - GRILLES AND LOUVRES Performance Graphs Throws shown are to a terminal velocity of 0.60m/s and 0.30m/s respectively. Encountered air velocities will depend on room configurations and the occupant satisfaction depends on the location of the terminal air velocity in relation to the occupied zone. The throw data is based on isothermal air. Reference for a grille height x 1000mm long. The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 16
17 HALF CHEVRON RETURN AIR GRILLE ARG SECTION A - GRILLES AND LOUVRES Description The Half Chevron grilles are typically mounted in walls for exhaust and return air or in natural ventilation applications. For ceiling installations the grille must of fixed core specification. This grille is an attractive, robust unit manufactured from aluminium extrusion and powder coated to provide a long lasting finish. The standard finish is white electrostatic powdercoat. Air Filtration: An optional filter is offered for removable core grilles. It can be filter is easily removed to access for cleaning or replacement. The filter media is manufactured in a synthetic nonwoven material. It offers low air resistance, long life and satisfactory dust extraction efficiency. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 17
18 HALF CHEVRON RETURN AIR GRILLE ARG SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 18 x 24 (450 x 600) return air grille, the ordering code would be ARG1824. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 18
19 HALF CHEVRON RETURN AIR GRILLE ARG SECTION A - GRILLES AND LOUVRES Application Free Area Correction Factor To calculate the free area, the grille nominal area is multiplied by the correction factor as selected from the chart below. ARG Grille Free Area (m 2 ) Y/X Bradflo reserves the right to make changes to product without prior notice V16.1 Page 19
20 HALF CHEVRON RETURN AIR GRILLE ARG SECTION A - GRILLES AND LOUVRES Performance Graphs The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 20
21 EGGCRATE GRILLE AEC SECTION A - GRILLES AND LOUVRES Description The Eggcrate Grille is the most commonly used in ceiling mounted return air applications, they are not suitable for floor mounting. The grilles have extruded aluminium frames with a 13mm x 13mm x 13mm aluminium egg crate core. The standard inner core is removable with options to order either a push up type or alternatively a pull down type. Hinged models are available as standard and provide easy access to filters or other equipment. There is a spring retaining clip for easy fixing. The free area of the grille is >90% of the nominal area, providing maximum air flow with relatively low noise levels. The standard finish is in white powdercoat. Air Filtration: A filter is offered as a standard option in removable core grilles. This filter is easily removed for cleaning, easy access or replacement. The filter media is manufactured in a synthetic nonwoven material. It offers low air resistance, long life and satisfactory dust extraction efficiency. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 21
22 EGGCRATE GRILLE AEC SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 18 x 24 (450 x 600) egg crate grille, hinged with a filter, the ordering code would be AEHF1824. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 22
23 EGGCRATE GRILLE AEC SECTION A - GRILLES AND LOUVRES Performance Graphs The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 23
24 EXPANDED MESH GRILLE AMG SECTION A - GRILLES AND LOUVRES Description The Expanded Mesh Grilles are designed for use in exhaust, return or supply air applications and may be mounted into walls or ceilings. They are not suitable for floor mounting. The grilles have extruded aluminium frames with a steel expanded mesh core. A large range of sizes are available. The open area of the grille is in the range of 75-80% of the nominal area, providing maximum air flow and low noise levels. The standard finish is white electrostatic powdercoat. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 24
25 EXPANDED MESH GRILLE AMG SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 18 x 24 (450 x 600) expanded mesh grille, the ordering code would be AMG1824. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 25
26 EXPANDED MESH GRILLE AMG SECTION A - GRILLES AND LOUVRES Performance Graphs The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 26
27 CAR PARK MESH GRILLE ACPG SECTION A - GRILLES AND LOUVRES Bradflo reserves the right to make changes to product without prior notice V16.1 Page 27
28 Description The Car Park Mesh Grilles are typically mounted in walls or ceilings for exhaust and return air applications. They are not suitable for floor mounting. The grilles have extruded aluminium frames with a expanded mesh core. Grilles up to 600 x 600mm. The free area of the grille is >80% of the nominal area, providing maximum air flow and very low noise levels. The standard finish is in white electrostatic powdercoat. Selection Guide CAR PARK MESH GRILLE ACPG SECTION A - GRILLES AND LOUVRES Bradflo reserves the right to make changes to product without prior notice V16.1 Page 28
29 Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 18 x 24 (450 x 600) expanded mesh grille, the ordering code would be ACPG1824. Dimensions CAR PARK MESH GRILLE ACPG Bradflo reserves the right to make changes to product without prior notice V16.1 Page 29
30 SECTION A - GRILLES AND LOUVRES Performance Graphs The graph is for selection only and should not be used for commissioning. ALUMINIUM DOOR GRILLE AADR Bradflo reserves the right to make changes to product without prior notice V16.1 Page 30
31 SECTION A - GRILLES AND LOUVRES Description The Aluminium Door grille has horizontally mounted blades firmly fixed into a frame. An adjustable frame with spring clips fits into the rear of the door insert to affix the grille and provide a flush cosmetic finish. Screws are not required. All grilles are manufactured from natural anodised aluminium extrusion and fit doors from 30mm to 45mm thick. The louvre profiles ensure maximum air flows at minimum sound levels. The standard finish is natural anodised. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 31
32 ALUMINIUM DOOR GRILLE AADR SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 24 x 12 (600 x 300) aluminium door register, the ordering code would be AADR2412. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 32
33 ALUMINIUM DOOR GRILLE AADR SECTION A - GRILLES AND LOUVRES Application Free Area Factor The free area of standard sizes can be found in the table below. To calculate the free area the grille nominal area is multiplied by f1 as determined from the graph. Opening (mm) Free Area (m 2 ) 600 x x x x x x Bradflo reserves the right to make changes to product without prior notice V16.1 Page 33
34 ALUMINIUM DOOR GRILLE AADR SECTION A - GRILLES AND LOUVRES Performance Graphs The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 34
35 WEATHER LOUVRE 80 AWLF80 SECTION A - GRILLES AND LOUVRES Description This Weather Louvre 80 prevents water ingress under design conditions and generates low noise levels relative to the flow rate. The weather louvre is suited for fresh air intakes or exhaust applications. Standard weather louvres are manufactured with either flanged frame for surface mounting or channel frame for recess mounting. Bird wire is fitted to the rear of the weather louvre as standard. The louvres and frame are manufactured from extruded aluminium. The standard finish is natural anodised. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 35
36 WEATHER LOUVRE 80 AWLF80 SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 24 x 12 (600 x 300) weather louvre, the ordering code would be AWLF Dimensions \ Bradflo reserves the right to make changes to product without prior notice V16.1 Page 36
37 WEATHER LOUVRE 80 AWLF80 SECTION A - GRILLES AND LOUVRES Application For general selections ensure the face velocity remains <2.5m/s. Free Area Factor To calculate the free area the louvres nominal area is multiplied by the correction factor as determined from the chart below. Performance Graphs The graph is for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 37
38 DOUBLE TRAP WEATHER LOUVRE ADWLF80 ADWLF100 SECTION A - GRILLES AND LOUVRES Description The Double Trap Weather Louvre contains a step in each louvre to reduce surface water migration and facilitate slightly higher air flows. This product is available in two standard options either 80mm, or 100mm louvre depth. The weather louvre is suited for fresh air intakes or exhaust applications. Standard weather louvres are manufactured with either flanged frame for surface mounting or channel frame for recess mounting. Bird wire is fitted to the rear of the weather louvre as standard. The louvres and frame are manufactured from extruded aluminium. The standard finish is natural anodised. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 38
39 DOUBLE TRAP WEATHER LOUVRE ADWLF80 ADWLF100 SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 100mm deep, 24 x 12 (600 x 300) face mounted weather louvre, the ordering code would be ADWLF Dimensions 80mm Louvre Type 100mm Louvre Type Bradflo reserves the right to make changes to product without prior notice V16.1 Page 39
40 DOUBLE TRAP WEATHER LOUVRE ADWLF80 ADWLF100 SECTION A - GRILLES AND LOUVRES Application Maximum face velocity <3.5m/s. Free Area Factor To calculate the free area the louvres nominal area is multiplied by the correction factor as determined from the chart below. Performance Graphs Approximate flow resistance of the Double Trap Weather Louvre. The graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 40
41 SLIMLINE WEATHER LOUVRE 40 AWLSF SECTION A - GRILLES AND LOUVRES Description The Slimline Weather Louvre is a low profile version of the standard weather louvre. Standard weather louvres are manufactured with either flanged frame for surface mounting or channel frame for recess mounting. Bird wire is fitted to the rear of the weather louvre as standard. The louvres and frame are manufactured from extruded aluminium. The standard finish is natural anodised. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 41
42 SLIMLINE WEATHER LOUVRE 40 AWLSF40 SECTION A - GRILLES AND LOUVRES Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: If your requirement is for a 24 x 12 (600 x 300) slimline flange mounted weather louvre, the ordering code would be AWLSF2412. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 42
43 SLIMLINE WEATHER LOUVRE 40 AWLSF40 SECTION A - GRILLES AND LOUVRES Application For general selections ensure the face velocity remains <2.5m/s. Free Area Factor To calculate the free area the louvres nominal area is multiplied by the correction factor as determined from the chart below. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 43
44 SECTION B Diffusers Bradflo reserves the right to make changes to product without prior notice V16.1 Page 44
45 LINEAR SLOT DIFFUSER A BLADE ALDA ALDA25 SECTION B - DIFFUSERS Description The Linear Slot Diffuser is available with 20 or 25mm slots. It can be used for supply or return air and available in one up to eight slots. The term A-blade describes the damper profile as viewed from the end cross section. Either blade in each slot can be fully open or closed to achieve the desired flow and discharge angle. The design incorporates concealed aligning keyways for continuous application. It can be installed into plenums or linear ducts in sections or continuous lengths. Centre T-rails are easily removed to simplify installation. The blades are adjustable to direct the air pattern. Corner sections are available and the maximum length of each individual piece is 2700mm. Flangeless versions are also available but note that alters the neck and face dimensions slightly. Also available on request are easy installation saddles and plasterboard mounting frames. Standard finish is natural anodised or white electrostatic powder-coat. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 45
46 LINEAR SLOT DIFFUSER A BLADE ALDA ALDA25 SECTION B - DIFFUSERS Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: : To order a 2 x 25mm slot linear diffuser with one end and 48 (1200mm) long, the ordering code would be ALDA25-1E For a 2 slot 90 corner the ordering code would be ALDA Dimensions Dimensions of flanged type units. Slots A B C D 1 x 20mm x 20mm x 20mm x 20mm x 20mm x 20mm x 20mm x 20mm x 25mm x 25mm x 25mm x 25mm x 25mm x 25mm x 25mm x 25mm A = Neck B = Depth C = Face D = Ceiling Opening Bradflo reserves the right to make changes to product without prior notice V16.1 Page 46
47 LINEAR SLOT DIFFUSER A BLADE ALDA ALDA25 SECTION B - DIFFUSERS Linear Diffuser Dimensions Application Discharge Profiles Side View End View (one blade closed per slot) Bradflo reserves the right to make changes to product without prior notice V16.1 Page 47
48 LINEAR SLOT DIFFUSER A BLADE ALDA ALDA25 SECTION B - DIFFUSERS Performance Graphs Reference for nominal 1000mm with 25mm slots. Graphs are for selection only and should not be used for commissioning. Size Correction Table Diffuser length (m) Add to NR value Multiply throw by Bradflo reserves the right to make changes to product without prior notice V16.1 Page 48
49 LINEAR SLOT DIFFUSER U BLADE ALD SECTION B - DIFFUSERS Description The Linear Slot Diffuser - U blade profile fits into a 20mm slot and can be used for supply or return air applications. It is available in one up to eight slots. The U-blade can be adjusted by toggling the damper from a median position to an offset position which increases the flow through one side of each slot and changes the angle of discharge. The design incorporates concealed aligning keyways for continuous application. It can be installed into plenums or linear ducts in sections or continuous lengths. Centre T-rails are easily removed to simplify installation. The blades are adjustable to direct the air pattern. Corner sections are available and the maximum length of each individual piece is 2700mm. Standard finish is natural anodised or white electrostatic powder-coat. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 49
50 LINEAR SLOT DIFFUSER U BLADE ALD SECTION B - DIFFUSERS Ordering Procedure Product range selections are based on the nominal neck size X & Y. Example: To order a 2 slot linear diffuser with one end and 1200mm long, the ordering code would be ALD1E482. For a 2 slot 90 corner the ordering code would be ALD902. Dimensions Slots A C Bradflo reserves the right to make changes to product without prior notice V16.1 Page 50
51 LINEAR SLOT DIFFUSER U BLADE ALD SECTION B - DIFFUSERS Application Discharge Profiles Side View End View (one blade closed per slot) Performance Graphs Pressures based on flange fitted plenum with side entry spigot. Graphs are for selection only and should not be used for commissioning. Size Correction Table Diffuser length (m) Add to NR value Multiply throw by Bradflo reserves the right to make changes to product without prior notice V16.1 Page 51
52 LIGHT AIR BOOTS AABS AABD SECTION B - DIFFUSERS Description The Light Air boots are available as single or double discharge units. They are designed to be fitted onto fluorescent light units or used in conjunction with a ceiling T-bar system. Light fixture specifications will be required for correct fitting. There are three types of diffuser blade options depending on the discharge angles and flow rates required. Al diffusers are manufactured from galvanised sheet steel with aluminium blades which can be adjusted via the outlet slot. Partially insulated versions are available which have bare end plates. These diffusers comply with AS 2946 for the interface requirements and c compatibility. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 52
53 LIGHT AIR BOOTS AABS AABD SECTION B - DIFFUSERS Ordering Procedure The standard product sizes are listed below, special sizes are also available. Example: A 1200mm long diffuser with a 200 dia. inlet, 12mm slot 90 blow with 300mm between the diffusers, the ordering code would be AAB-D-B Bradflo reserves the right to make changes to product without prior notice V16.1 Page 53
54 LIGHT AIR BOOTS AABS AABD SECTION B - DIFFUSERS Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 54
55 LIGHT AIR BOOTS AABS AABD SECTION B - DIFFUSERS Application. Dimensions for keyhole slot fitting. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 55
56 LIGHT AIR BOOTS AABS AABD SECTION B - DIFFUSERS Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 56
57 DIRECTIONAL DIFFUSER ACT, ACB SECTION B - DIFFUSERS Description The square-cone-type Directional Diffuser standard frame is constructed from extruded aluminium. It has a flat outer border or alternatively there is bevelled type border which lowers the diffuser face 50mm proud of the ceiling. The standard frame can slot into a T-bar or be mounted into a plaster ceiling. The core is removable and there are five different styles to choose from depending on the air distribution requirements, see application section. If a standard 4-way core is preferred for the overall aesthetics then blanking plates can be ordered to distribute the air in any of the five different patterns; 1 way, 2 way, 2 way corner blow, 3 way or 4 way. The standard finish is powdercoat white and baked at a temperature of 180 C to help resist impacts and abrasions. Selection Guide 4 way pattern. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 57
58 DIRECTIONAL DIFFUSER ACT, ACB SECTION B - DIFFUSERS Ordering Procedure Identify the options of frame type and the desired discharge pattern then make the a performance selection as identified by the nominal neck size. Example: If your requirement is for a 12 x 12 (300mm x 300mm) 2 Way Corner blow diffuser, the ordering code would be ACT2C1212. Dimensions Standard Frame Bevel Frame Bradflo reserves the right to make changes to product without prior notice V16.1 Page 58
59 DIRECTIONAL DIFFUSER ACT, ACB SECTION B - DIFFUSERS Application Blanking plate arrangements to effect discharge pattern. Performance Graphs 4-way pattern Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 59
60 HIGH VOLUME SWIRL DIFFUSERS PHVSD SECTION B - DIFFUSERS Description The High Volume Swirl Diffuser provides a uniform radial pattern of air across the ceiling to provide a good temperature distribution with minimal draughts in the occupied zones. The design ensures comfort can be maintained across a broad range of flow rates. It is designed to be either flush ceiling mounted in a grid section or plasterboard mounted. The plenum is fitted with an internal diffuser plate to improve the pressure distribution. The diffuser is secured by a single centre screw and hidden from view behind a push-on decorative cap. For lower flow rates, restriction rings (#1 to 5) are available for the PHVSD and aesthetically hides inside the neck behind diffuser face. Square or round face swirl diffusers are available with size details on the next page. The standard finish is a white (RAL9016) powder-coat but other colours are available. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 60
61 HIGH VOLUME SWIRL DIFFUSERS PHVSD SECTION B - DIFFUSERS Ordering Procedure The available sizes are detailed below. Model Dimension "A" Diameter "B" PHVSD PHVSD675R PHVSD PHVSD595R PHVSD600R PHVSD PHVSD PHVSD470R PHVSD PHVSD Rear View PHVSD Letter R denotes a round diffuser. There are five sizes of ring insert available to downsize PHVSD for lower flow outlets. Rings are identified using a suffix e.g. / 5 for the smallest aperture ring. Dimensions Application This type of diffuser utilises the coanda effect to efficiently traverse the ceiling and envelope the occupied space with a supply of conditioned air. It is important to separate the units adequately to avoid undesirable collision velocities. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 61
62 HIGH VOLUME SWIRL DIFFUSERS PHVSD SECTION B - DIFFUSERS Performance Graphs These graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 62
63 CIRCULAR DIFFUSERS ACDSC, ACDRA SECTION B - DIFFUSERS Description The Circular Diffuser is available as a Cone type or a Plate type construction and fabricated from steel. These diffusers are commonly used in foyers, lobbies or arenas. They are designed to accommodate a range of flow rates using an adjustable core to supply diffused air in the horizontal plane. The Cone type unit can be adjusted to increase the vertical throw which reduces ceiling stratification during heating mode. The standard installation is ceiling mounted or fixed to exposed duct work. The core of the diffuser is easily removed for fitting and cleaning. The standard finish is white powder coated paint applied to a pre-treated surface and baked at 180 C to ensure a tough surface that resists damage, fading and discolouration. Selection Guide Ordering Procedure Example: If your requirement is for a 200 mm diameter ceiling diffuser, the ordering code would be ACDSC200. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 63
64 CIRCULAR DIFFUSERS ACDSC, ACDRA SECTION B - DIFFUSERS Dimensions Circular Plate Diffuser - ACDSC Dia. X Dia. B Dia. C D Circular Cone Diffuser - ACDRA Dia. X Dia. B Dia. C D G H Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 64
65 ROUND CEILING DIFFUSER ARCD SECTION B - DIFFUSERS Description The Round Ceiling Diffuser is fabricated from spun aluminium and typically used for supply air diffusion but alternatively can be considered as an attractive alternative for bathroom exhaust applications. The core is adjustable and acts as both a balancing damper and pattern control. The diffuser can be fixed into position using the fixing clips provided. The standard finish is white electrostatic powdercoat. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 65
66 ROUND CEILING DIFFUSER ARCD SECTION B - DIFFUSERS Ordering Procedure Dimensions Product A B C ARCD ARCD ARCD ARCD Bradflo reserves the right to make changes to product without prior notice V16.1 Page 66
67 ROUND CEILING DIFFUSER ARCD SECTION B - DIFFUSERS Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 67
68 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Description The Adjustable Jet Diffusers are available in either of two designs 1) AJD - image left, 2) AJA image right. They can deliver high flow rates and depending on the required discharge profile be adjusted from a jet to a diffuse air pattern by rotating the nozzle through 360. This makes them suitable for applications such as the air conditioning or ventilation of large venues such as sports centres, theatres and industrial areas. The diffuser core is manufactured from spun aluminium and the outer case is steel. The entire assembly is powder coated and available in a range of standard colours. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 68
69 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Ordering Procedure Select between to two types, the available sizes, the quantity and colour. Dimensions Mounting Arrangement Diffuser dimensions are detailed on the next page. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 69
70 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Design Dimensions AJD No of Jets Dim. X H L W W W W AJA No of Jets Dim. X A B C H W W W W Bradflo reserves the right to make changes to product without prior notice V16.1 Page 70
71 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Application Isothermal air patterns. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 71
72 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 72
73 ADJUSTABLE JET DIFFUSERS AJD, AJA SECTION B - DIFFUSERS Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 73
74 PERFORATED SQUARE DIFFUSERS APD, APDE SECTION B - DIFFUSERS Description The Perforated Square Diffuser can be used for supply or exhaust air applications. The standard units can slot into a T-bar suspended ceiling or be flush ceiling mounted. For supply air applications there are two optional extras 1) neck adapter for easy connection to a spigot, 2) various discharge plates for 1, 2, 3, or 4-way configuration. It is constructed from aluminium with a 50% free area, perforated galvanised core. The standard colour is white in a powdercoat finish although other colours are available. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 74
75 PERFORATED SQUARE DIFFUSERS APD, APDE SECTION B - DIFFUSERS Ordering Procedure Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 75
76 PERFORATED SQUARE DIFFUSERS APD, APDE SECTION B - DIFFUSERS Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 76
77 FLANGED JET DIFFUSER DJD SECTION B - DIFFUSERS Description The Bradflo Flanged Jet Diffuser is designed to efficiently project large volumes in large venue applications such sports halls and auditoriums. The jet profile of the discharged air can be reduced to a more diffuse profile by rotating the centre part. It is constructed from spun aluminium segments making it very lightweight and corrosion resistant. The standard finish is powdercoated paint with optional colours available. Selection Guide Sound Level DJD200P DJD250P DJD300P DJD350P DJD400P NC Flow Rate (L/s) Bradflo reserves the right to make changes to product without prior notice V16.1 Page 77
78 FLANGED JET DIFFUSER DJD SECTION B - DIFFUSERS Ordering Procedure Select between to two types, the available sizes, the quantity and colour. Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 78
79 Static Pressure (Pa) FLANGED JET DIFFUSER DJD SECTION B - DIFFUSERS Performance Graphs Throws are based on isothermal conditions, sidewall mounted, 2.0m from floor and with the diffuse setup. If discharge setup for jet profile multiple throws by 2. Flanged Jet Diffuser Sound Level NC DJD200P DJD250P DJD300P DJD350P DJD400P Flow Rate (L/s) 8 9 Throw L (m) Terminal Velocity 0.25m/s Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 79
80 SECTION C Plenum Boxes Bradflo reserves the right to make changes to product without prior notice V16.1 Page 80
81 PLENUM BOXES ADC ADCI SECTION C - PLENUMS Description The standard plenum box is manufactured from galvanised steel and designed to be used with Bradflo grilles and diffuser products for supply or return/exhaust air. For temperature controlled applications a standard insulated plenum is available with internally fitted black faced glasswool. Other insulation types are also available including externally applied polyurethane foam. Ordering Procedure Bradflo reserves the right to make changes to product without prior notice V16.1 Page 81
82 PLENUM BOX ADC ADCI SECTION C - PLENUMS Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 82
83 LINEAR PLENUM BOX ASA SECTION C - PLENUMS Description The ASA is a plenum suitable for use with all types of linear grilles and diffusers. It is manufactured from galvanised steel. Ordering Procedure Standard unit sizes are tabulated below. Special sizes are also available. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 83
84 LINEAR PLENUM BOX ASA SECTION C - PLENUMS Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 84
85 GRILLE PLENUM ASAG SECTION C - PLENUMS Description The Grille Plenum is suitable for use with all types of grilles and diffusers. It is manufactured from Zincalume or galvanised steel with optional insulation in 13mm or 25mm. Ordering Procedure Bradflo reserves the right to make changes to product without prior notice V16.1 Page 85
86 GRILLE PLENUM ASAG SECTION C - PLENUMS Dimensions Bradflo reserves the right to make changes to product without prior notice V16.1 Page 86
87 SECTION D Fittings & Accessories Bradflo reserves the right to make changes to product without prior notice V16.1 Page 87
88 OPPOSED BLADE DAMPER AOB SECTION D FITTINGS & ACCESSORIES Description The Opposed Blade Damper is designed to fit onto grilles. Adjustment is carried out through the face of the grille. The damper is manufactured from extruded aluminium and painted in matt black. Selection Guide Bradflo reserves the right to make changes to product without prior notice V16.1 Page 88
89 OPPOSED BLADE DAMPER AOB SECTION D FITTINGS & ACCESSORIES Ordering Procedure Dimensions Note. Maximum X size is 450 mm per section. For larger grilles, dampers must be made in sections to suit. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 89
90 OPPOSED BLADE DAMPER AOB SECTION D FITTINGS & ACCESSORIES Application Free Area (m 2 ) for standard sizes. X/Y Performance Graphs Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 90
91 ADJUSTABLE STREAM SPLITTER ASSD SECTION D FITTINGS & ACCESSORIES Description The Adjustable Stream Splitter is designed for use on large duct take offs in industrial or low cost commercial systems. The stream splitter damper has a screw adjustment through the face of the grille or diffuser. It is constructed from galvanised steel and finished in matt black paint. Ordering Procedure Bradflo reserves the right to make changes to product without prior notice V16.1 Page 91
92 ADJUSTABLE STREAM SPLITTER ASSD SECTION D FITTINGS & ACCESSORIES Dimensions Where: C = X + 30 Bradflo reserves the right to make changes to product without prior notice V16.1 Page 92
93 SECTION E Flexible Ducting Bradflo reserves the right to make changes to product without prior notice V16.1 Page 93
94 4-ZERO POLY INSULATED DUCT DIS SECTION E FLEXIBLE DUCTING Description The 4-Zero insulated flexible ducting offers a fire rated grade. Both the inner core and outer sleeves are aluminium/polyester laminated composition. The core is supported with a coated helix wire spring which is secured with a solvent based adhesive and surrounded by polyester insulation. Ordering Procedure 4-Zero Insulated Flexible Duct Options: Type 4-Zero Length 6m Diameter Range 150, 200, 250, 300, 350, 400, 450 or 500mm (6 to 20 ) Insulation Resistance R1.0, 1.35, 1.5m 2 K/W Application The 4-Zero flexible ducting has been designed for high and low pressure heating, ventilation and cooling. It is supplied in standard diameters and a standard length of 6m. Ratings: Maximum Air velocity: 30m/s Airflow temperature: range -20 C to 1200 C (External temperature should not exceed 80 C) Maximum Working Pressure: Fire Hazard Performance: 2500 Pa (plain core) 750 Pa (acoustic core) (When installed in accordance with good practice guidelines.) Complies with AS1668.1, AS4254 and the Australian building codes. It meets the UL181 standard for factory made air ducts and the 4-zero rating in AS/NZS for resistance to ignition, flame propagation, heat and Smoke emission. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 94
95 Static Insertion Loss (db) 4-ZERO POLY INSULATED DUCT DIS SECTION E FLEXIBLE DUCTING Performance Graphs Typical flexible duct resistances. Graphs are for selection only and should not be used for commissioning. Static Insertion Loss; 3m length, 80mm insulation (R1.35) 35 Dia. 200mm Dia. 250mm Dia. 300mm Frequency Band (Hz) Bradflo reserves the right to make changes to product without prior notice V16.1 Page 95
96 SUPERFLEX 3-ZERO POLY INSULATED DUCT DPDFR SECTION E FLEXIBLE DUCTING Description The standard Superflex Polyester flexible ducting meets 3-zero fire rating. The core material is a polyester film laminate with polyester insulation. It is supported with a coated helix wire spring and secured with a black water based adhesive. The outer sleeve is a laminated metallised polyester film. Ordering Procedure Insulated Flexible Duct Options: Type 3-Zero Length 6m Diameter Range 150, 200, 250, 300, 350, 400, 450 or 500mm (6 to 20 ) Insulation Resistance R1.0, 1.35, 1.5 and 2.0m 2 K/W Application This 3-Zero flexible ducting has been designed for high and low pressure heating, ventilation and cooling. It is supplied in standard diameters with a standard length of 6m. Ratings: Maximum air velocity: Airflow temperature: Maximum Working pressure: Fire hazard performance:. 30 m/s Range: -10 C C 2500 Pa (When installed in accordance with good practice guidelines.) Complies with AS1668.1, AS4254 and the Australian building codes. It meets the UL181 standard for factory made air ducts and the 3-zero rating in AS/NZS for resistance to ignition, flame propagation, heat and Smoke emission. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 96
97 Static Insertion Loss (db) SUPERFLEX 3-ZERO POLY INSULATED DUCT DPDFR SECTION E FLEXIBLE DUCTING Performance Graphs Typical flexible duct resistances. Graphs are for selection only and should not be used for commissioning. Static Insertion Loss; 3m length, 80mm insulation (R1.35) 35 Dia. 200mm Dia. 250mm Dia. 300mm Frequency Band (Hz) Bradflo reserves the right to make changes to product without prior notice V16.1 Page 97
98 ALUDEC NUDE CORE DUCT DEC SECTION E FLEXIBLE DUCTING Description The duct core is an aluminium/polyester film laminate, incorporating a coated helix wire spring and solvent based adhesive. The duct holds an effective full diameter around bends and when correctly installed the flow resistance is reasonable. Ordering Procedure Insulated Flexible Duct Options: Type Length Diameter Range Nude Core 6m 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500mm. Application Aludec is designed for high and low pressure heating, ventilation and cooling. It is supplied in standard diameters from 125mm to 500mm. Ratings: Maximum air velocity: Airflow temperature: Maximum Working pressure: 30 m/s Range: -20 C C 2500 Pa (When installed in accordance with good practice guidelines.) Fire hazard performance: This duct meets the requirements of the Building Code of Australia and AS 4254 when tested to AS , UL181 and AS/NZS Bradflo reserves the right to make changes to product without prior notice V16.1 Page 98
99 ALUDEC NUDE CORE DUCT DEC SECTION E FLEXIBLE DUCTING Performance Graphs Typical flexible duct resistances. Graphs are for selection only and should not be used for commissioning. Bradflo reserves the right to make changes to product without prior notice V16.1 Page 99
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