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Filter Return Grilles51F Series Aluminium
1Innovation in Action
The Advanced Air Model Series 51F Filter Return Grilles are a convenient and economical means of filtering primary return air locally. They are especially suited to recirculating air systems such as fan powered terminal units, fan coils and heat pumps. They have been designed to match and compliment their respective base models in appearance.
Type S Surface Mountl Installed with colour matched Ø38mm screws or sheet metal screws (or similar by others) through the neck of the outer frame. Provides an aesthetically clean visual appearance. Type A countersunk screw holes are an available option.
Type L Lay-in T-barl Frames and sub-frames are mechanically interlocked with reinforced mitred corners.l Inner core is hinged on one side and secured on the opposite side with convenient 1/4 turn fasteners. l Accepts standard 25mm thick, throw-away type filters (by others).
Extruded aluminium
White polyester powder finish RAL9010 semi-gloss is standard. Other finishes are available.
Refer to the appropriate base model and add pressure drop for the installed filter.
51FBS45 Fixed 45° Deflection, 19mm Spacing, Surface Mount
51FBL45 Fixed 45° Deflection, 19mm Spacing, Lay-in T-bar
51FBSS Fixed 0° Deflection, 19mm Spacing, Surface Mount
51FBLS Fixed 0° Deflection, 19mm Spacing, Lay-in T-bar
51FES Eggcrate Grid Core, Surface Mount
51FEL Eggcrate Grid Core, Lay-in T-bar
51FPS Perforated Face Core, Surface Mount
51FPL Perforated Face Core, Lay-in T-bar
l Accommodates 25mm standard filter.l Available with fixed blade, eggcrate or perforated core styles.
Filter Return Grilles51F Series Aluminium
Features:
Material:
Finish:
Performance Data:
Selection Guide:
2
Fixed blade deflectionType S (surface mount) is available in nominal sizes 150mm x 100mm to 1200mm x 900mm in 25mm increments.
Core is hinged on width dimension at top as standard (HT).
For other hinging requirements, specify HB Hinged bottom, HL Hinged left, HR Hinged right.
Type L (lay-in mount) is available in ceiling modules sizes: 300mm x 300mm, 600mm x 300, 600mm x 600mm, 900mm x 300mm, 900mm x 600mm and 1200mm x 600mm.
A = 51mm for 25mm filter. Standard.
Dimensional Data Filter Return Grilles
Advanced Air
TYPE
S D
UCT
= LI
STED
SIZ
E +
6mm
TYPE
L D
UCT
= CE
ILIN
G M
ODUL
E - 9
5mm
TYPE
S =
LIS
TED
SIZE
- 19
mm
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
21m
m
TYPE S = LISTED SIZE + 95mm
TYPE L = CEILING MODULE - 6mm
TYPE
S =
LIS
TED
SIZE
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
02m
mA A
TYPE
S =
LIS
TED
SIZE
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
02m
m
TYPE
S D
UCT
= LI
STED
SIZ
E +
6mm
TYPE
L D
UCT
= CE
ILIN
G M
ODUL
E - 9
5mm
32mm
13mmOR
19mm
MODELS:51FBS45, 51FBL45, 51FBS55 & 51FBL55
MODELS:51FBSS & 51FBLS
19mm
3Innovation in Action
Eggcrate Core 12mm x 12mm x 12mm Aluminium CoreType S (surface mount) is available in nominal sizes 150mm x 100mm to 1200mm x 900mm in 25mm increments.
Core is hinged on width dimension at top as standard (HT).
For other hinging requirements, specify HB Hinged bottom, HL Hinged left, HR Hinged right.
Type L (lay-in mount) is available in ceiling modules sizes: 300mm x 300mm, 600mm x 300mm, 600mm x 600mm, 900mm x 300mm, 900mm x 600mm and 1200mm x 600mm.
Perforated Face 5mm dia. holes on 6mm centresType S (surface mount) is available in nominal sizes 150mm x 100mm to 1200mm x 900mm in 25mm increments.
Core is hinged on width dimension at top as standard (HT).
For other hinging requirements, specify HB Hinged bottom, HL Hinged left, HR Hinged right.
Type L (lay-in mount) is available in ceiling modules sizes: 300mm x 300mm, 600mm x 300mm, 600mm x 600mm, 900mm x 300mm, 900mm x 600mm and 1200mm x 600mm.
Dimensional Data Filter Return Grilles
TYPE S = LISTED SIZE + 95mm
TYPE L = CEILING MODULE - 6mm
TYPE
S =
LIS
TED
SIZE
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
02m
m
TYPE
S D
UCT
= LI
STED
SIZ
E +
6mm
TYPE
L D
UCT
= CE
ILIN
G M
ODUL
E - 9
5mm
A
13mm
32mm
TYPE
S =
LIS
TED
SIZE
- 19
mm
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
21m
m
MODELS:51FES & 51FEL
TYPE
S =
LIS
TED
SIZE
- 19
mm
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
21m
m
TYPE
S =
LIS
TED
SIZE
TYPE
L =
CEI
LIN
G M
ODUL
E - 1
02m
m
TYPE
S D
UCT
= LI
STED
SIZ
E +
6mm
TYPE
L D
UCT
= CE
ILIN
G M
ODUL
E - 9
5mm
A
5mm
32mm
TYPE S = LISTED SIZE + 95mm
TYPE L = CEILING MODULE - 6mm
MODELS:51FPS & 51FPL
How To Specify or To Order
Accessories- Standard (default) None —- Foam Gasket GK
OptionsCore Fastening:- Knurled Knob KK- 1/4 Turn Slotted QT
Hinge- Standard (default) Top HT Bottom HB Left HL Right HR
Fastening(only for frame/border type S)- Standard (default) None N- Screw Holes in Outer Frame A
Finish- RAL 9010 semi gloss white AW- Aluminium AL- Mill M- Special custom colour S
Frame/Border Type- Surface Mount S
(Show complete Model Number and Size, unless “Default” is desired)
Notes:1. For Type S, duct size is listed size + 6mm.2. For Type L, duct size is ceiling module size - 95mm.3. Core Fastening: Standard Core is hinged and secured with 1/4 turn latches.
Example: Filter Return Grilles • Model Series 51F
Model- Aluminium 51F
Core- Fixed Blades B- Eggcrate E- Perforated P
Blade Deflection(Core B only)- 45° 19mm Spacing 45- 0° 19mm Spacing S
Widthmm
Heightmm
For surface mount, W x H = Duct SizeFor lay-in type, W x H = Ceiling Module Size
51F B 45 - 400 x 400 - S - AW - N - HT - —
4 Advanced Air
Advanced Air Opposed Blade Dampers are manufactured from extruded aluminium blades and frame with miscellaneous steel components.
The gang operated multi-blade design with blades closing at 45 degrees permits fine volume control for accurate balancing with minimum disturbance to the airflow pattern. Blades are individually pivoted on 25mm centres.
The Opposed Blade Damper mounts directly on the neck of the grille and fits most Advanced Air grilles. Steel barbed S-clips are used for easy site mounting or removal when ordered separately. Supplied as standard with a screwdriver slot operator (Type SL) on supply grilles and a screwdriver pivot lever operator (Type PL) on fixed, angled deflection return grille. Type SL operator is standard if damper is ordered separately from grille.
Can be specified as an integral part of the grille by adding a OA suffix to the grille model.
Min. Size = 100mm x 64mm Max. Size = 600 x 600mm
The SL Operator incorporates a screwdriver slot, which adjusts from the face of the grille. This operator is the standard supplied with supply air grilles such as the single and double deflection adjustable blade.
The PL Operator is a concealed pivot lever, which is adjusted from the face of the grille using a screwdriver. This operator is for use only on fixed blade, angled deflection, return air grilles. When specifying, the blade orientation of the damper must be opposite of the grille.
Air Balancing Devices
Opposed Blade Dampers
Type SL Operator
Type PL Operator
Model OBD Type SL (Screwdriver Slot) Type PL (Pivot Lever)Grille Mount – Face Operator
WIDTH = LISTED DUCT SIZE - 10mm
HEIG
HT =
LIS
TED
DUCT
SIZ
E - 1
0mm
51mm
Innovation in Action
Plenum boxes are designed to give even airflow across the Advanced Air range of grilles and diffusers.
Manufactured from 0.6 to 0.8mm galvanised mild steel, the plenum boxes come with a range of spigots suitable for rectangular, circular or flat oval duct connections in either side or top entry applications. Plenums are supplied flangeless as standard. Flanges and fixing angles for drop rod/hanging support are optional extras. Concealed fixed plenums are also available on certain products, please contact Advanced Air sales for further details.
Plenums can also be supplied with optional balancing devices and thermal/acoustic lining where required. Plenum internals are natural finish as standard but optional matt black internal finish is available.
Please contact Advanced Air Sales for further details, or for bespoke solutions.
l Rectangular, Circular or Flat Oval Duct Connectionsl Flanges & Fixing Angles Availablel Thermal/Acoustic Lining Optionl Variety of Finishes Available
Plenums • For Grilles and Diffusers
Top Entry
Side Entry
Note: As standard side entry plenum height is determined by specified spigot size, alternatively, overall height can be specified. Please contact Advanced Air sales for more details.
25.0
75.0
100,
200
or
300
mm
Neck Size
Duct
Siz
e
50.0 N
eck
Size
Neck Size
50.0
Ø25
.075
.0
100,
200
or
300
mm
Neck Size
Duct
Siz
e
50.0 N
eck
Size
Neck Size
50.0
Ø
Neck Size
Neck Size
Neck Size
Neck Size
Flanges15mm wide flanges are available.
6 Advanced Air