Ceiling Supply Diffuser - Metalflex

Ceiling Supply Diffuser
Description
Ceiling Supply Diffuser
LFR-T / LFR-F
Removable Louvre Face - Fixed air pattern
Constructed in Aluminium Extrusion and Zinc
coated steel, supplied in a range of square and
rectangular face sizes. Fitted with transitions
to provide a comprehensive range square and
round neck sizes.
1,2,3 and 4 way blow.
Air Flow Pattern
This series of Cone type diffusers have been
designed to meet all modern building
requirements.
Three standard frame configurations are
available which are suitable for T-bar, Tile or
Plaster ceilings whilst other shapes can be
supplied as a special project requirement.
Core sections in all units are easily removable
for easy fitting.
This diffuser offers:
- consulting or contracting engineer the best
possible air flow characteristics whilst
maintaining low noise levels of operations.
- standard finish is white powder coat.
Product Guide
Recommended use Good Avr. Poor
Cooling surface
Cooling Freeblowing
Heating
VAV
Spot ventilation
Page 1 of 4

Pressure (Press) in Pascals
LOUVRE FACE (4 Way Blow) Throw in Meters
Sound Level dB (A)
Face Size mm × mm
300×300 300×300 450×450 600×300 450×450 600×600 600×600 600×600 600×600
Flow Neck Size mm × mm
(l/s) 150×150 200×200 250×250 450×150 300×300 350×350 400×400 450×450 500×500
25 Press. 1.4 0.4 0.2 0.2
Throw 0.9-0.6 0.6-0.4 0.5-0.3 0.4-0.3
dB(A) - - - -
50 Press. 6.2 2.0 0.8 0.7 0.4 0.2 0.1
Throw 1.8-1.1 1.2-0.7 0.9-0.5 0.9-0.5 0.7-0.4 0.6-0.3 0.5-0.3
dB(A) 20 13
75 Press. 15 4.9 2.0 1.7 1.0 0.5 0.3 0.2 0.1
Throw 2.7-1.6 1.8-1.1 1.3-0.8 1.3-0.8 1.0-0.6 0.8-0.5 0.7-0.4 0.6-0.4 0.5-0.3
dB(A) 26 20 15 14 10
100 Press. 28.2 9.1 3.8 3.3 1.9 1.0 0.6 0.4 0.2
Throw 3.6-2.1 2.4-1.4 1.8-1.1 1.7-1.0 1.4-0.8 1.1-0.7 0.9-0.5 0.8-0.5 0.7-0.4
dB(A) 31 24 19 18 15 11 - - -
125 Press. 46.0 14.9 6.2 5.3 3 1.6 1.0 0.6 0.4
Throw 4.4-2.7 3.0-1.8 2.2-1.3 2.1-1.2 1.7-1.0 1.4-0.8 1.1-0.7 1.0-0.6 0.8-0.5
dB(A) 35 28 23 22 19 15 12 - -
150 Press. 68.6 22.1 9.2 7.9 4.5 2.5 1.5 0.9 0.6
Throw 5.3-3.2 3.5-2.1 2.6-1.6 2.5-1.5 2.0-1.2 1.6-1.0 1.3-0.8 1.1-0.7 1.0-0.6
dB(A) 38 31 26 25 22 18 15 12 -
Average Neck Velocity 2.5 m/s
Page 2 of 4

Pressure (Press) in Pascals
LOUVRE FACE (4 Way Blow) Throw in Meters
Sound Level dB (A)
Face Size mm × mm
300×300 300×300 450×450 600×300 450×450 600×600 600×600 600×600 600×600
Flow Neck Size mm × mm
(l/s) 150×150 200×200 250×250 450×150 300×300 350×350 400×400 450×450 500×500
200 Press. 128.8 41.6 17.3 14.9 8.4 4.6 2.7 1.7 1.1
Throw 6.9-4.2 4.6-2.8 3.4-2.0 3.2-1.9 2.6-1.6 2.1-1.3 1.8-1.1 1.5-0.9 1.3-0.8
dB(A) 42 36 31 30 26 23 20 17 14
250 Press. 67.7 28.2 24.2 13.8 7.5 4.4 2.8 1.8
Throw 5.8-3.5 4.2-2.5 4.0-2.4 3.3-2.0 2.6-1.6 2.2-1.3 1.9-1.1 1.6-1.0
dB(A) 39 34 33 30 26 23 21 18
300 Press. 101.0 42.0 36.1 20.5 11.2 6.6 4.2 2.8
Throw 6.9-4.1 5.0-3.0 4.8-2.9 3.9-2.3 3.1-1.9 2.6-1.6 2.2-1.3 1.9-1.2
dB(A) 42 37 36 33 29 26 23 21
350 Press. 141.5 58.9 50.6 28.7 15.7 9.3 5.8 3.9
Throw 7.9-4.8 4.8-3.5 5.5-3.3 4.5-2.7 3.6-2.2 3.0-1.8 2.6-1.5 2.2-1.3
dB(A) 45 40 39 35 32 29 26 24
400 Press. 78.8 67.8 38.5 21.0 12.4 7.8 5.2
Throw 6.6-4.0 6.3-3.8 5.1-3.1 4.1-2.5 3.4-2.1 2.9-1.8 2.5-1.5
dB(A) 42 41 38 34 31 28 26
450 Press. 102.0 87.7 49.8 27.2 16.1 10.1 6.7
Throw 7.4-4.4 7.0-4.2 5.8-3.5 4.6-2.8 3.9-2.3 3.3-2.0 2.8-1.7
dB(A) 44 43 39 36 33 30 28
500 Press. 128.5 110.5 62.8 34.2 20.3 12.7 8.4
Throw 8.2-4.9 7.8-4.7 6.4-3.8 5.1-3.1 4.3-2.6 3.6-2.2 3.1-1.9
dB(A) 45 45 41 38 35 32 29
Average Neck Velocity 2.5 m/s
Page 3 of 4

Pressure (Press) in Pascals
LOUVRE FACE (4 Way Blow) Throw in Meters
Sound Level dB (A)
Face Size mm × mm
300×300 300×300 450×450 600×300 450×450 600×600 600×600 600×600 600×600
Flow Neck Size mm × mm
(l/s) 150×150 200×200 250×250 450×150 300×300 350×350 400×400 450×450 500×500
600 Press. 93.5 51.0 30.2 19.0 12.6
Throw 7.6-4.5 6.1-3.7 5.1-3.0 4.3-2.6 3.7-2.2
dB(A) 44 41 37 35 32
700 Press. 131.1 71.5 42.3 26.6 17.6
Throw 8.8-5.3 7.1-4.3 5.9-3.5 5.0-3.0 4.3-2.6
dB(A) 47 43 40 37 35
800 Press. 95.8 56.7 35.7 23.6
Throw 8.1-4.8 6.7-4.0 5.7-3.4 4.9-2.9
dB(A) 45 42 39 37
900 Press. 124.0 73.3 46.2 30.5
Throw 9.0-5.4 7.5-4.5 6.4-3.8 5.5-3.3
dB(A) 47 44 41 39
1000 Press. 92.4 58.1 38.4
Throw 8.3-5.0 7.0-4.2 6.1-3.6
dB(A) 46 43 41
1100 Press. 113.8 71.6 47.3
Throw 9.1-5.4 7.7-4.6 6.7-4.0
dB(A) 47 45 42
1200 Press. 137.7 86.6 37.3
Throw 9.9-5.9 8.4-5.0 7.2-4.3
dB(A) 49 46 44
Average Neck Velocity 2.5 m/s
Page 4 of 4

Ceiling Supply Diffuser
450 x 450
Description
CODE: SD 595
Removable core, louvre face fixed air pattern
supply diffuser.
Manufactured from high impact fire retardant
A.B.S. plastic.
Available in 595 – 610 face / 450 square neck.
Suitable for installation into metric or imperial
t/bar, Gyprock or hard plaster ceilings.
Fitted with integrated mounting clips.
Suitable for installation with plastic neck adaptor
or cushion head box.
T-Bar
Mounting
595 - 610
Suit metric or imperial
Snap off tabs for metric ceiling
LFR-E
Exposed frame for
lay on applications
Test Certificate No. 1
LFR-T
T-bar applications
Acoustic and airflow performance tests of various outlets
Supplied by: Metalflex (SA) Pty Ltd
Tested by: VIPAC Engineers & Scientists Ltd
Test date: June 2010
Client: Metalflex (SA) Pty Ltd
Unit: Square ceiling diffuser
Size: 595mm x 595mm
TEST CONDITIONS
Qs Ps T
(L/s) (Pa) (m)
SOUND POWER LEVEL, dB re 1E-12 W
OCTAVE BAND CENTRE FREQUENCY (Hz)
NC 125 250 500 1000 2000 4000 8000
228 3.3 4.3 20

Ceiling Swirl Diffuser
Description
CODE: SW 595
Swirl diffusers are designed to supply
conditioned air to rooms with ceiling heights
from 2.5 to 4.0 metres.
The swirling motion of the supply air is set
by the aerodynamic blades, constantly
discharging conditioned air more rapidly to
the conditioned space.
Swirl diffusers are recommended for both
commercial office or industrial application.
350 o
595 SQ
85
17
Test Certificate No. 2
Acoustic and airflow performance tests of various outlets
Supplied by: Metalflex (SA) Pty Ltd
Tested by: VIPAC Engineers & Scientists Ltd
Test date: June 2010
Client: Metalflex (SA) Pty Ltd
Unit: Swirl diffuser
Size: 595mm x 595mm
TEST CONDITIONS
Qs Ps T
(L/s) (Pa) (m)
SOUND POWER LEVEL, dB re 1E-12 W
OCTAVE BAND CENTRE FREQUENCY (Hz)
NC 125 250 500 1000 2000 4000 8000
181 15.0 2.5 22