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- 2 Slot Ac Grill Size
- 2 Slot Ac Grille
- 2 Slot Ac Grilles
LINEAR DIFFUSERS AND GRILLES The METALAIRE line of Linear Diffusers and Grilles is designed to satisfy the most discerning architect's design concept without compromising engineering performance. Linear slot diffusers and grilles can be divided into three categories: Formations, Linear Slot Diffusers and Linear Bar Grilles. Grilles, Registers and Diffusers No one satisfies the demands for air distribution solutions better than Hart & Cooley. Our wide selection of grilles, registers, diffusers, and accessories includes a variety of shapes and sizes to meet any application and budget requirement.
Model LSDLSD
Polyaire Linear Slot Diffusers are an attractive alternative to the ceiling or high sidewall supply diffusers. Slot diffusers can be installed individually in set lengths or in a continuous line. They can also be installed in any type of ceiling application.
The modules are available with a 20mm or 25mm Slot with the number of slots ranging from 1 to 8 slots and are further available as fixed or removable core. (Fixed Core - Model LSD-FC, Removable Core – LSD-RC.
The air pattern control is adjustable from the diffuser face and is achieved by means of an adjustable pattern control with each slot, enabling a full 180º air pattern adjustment. The suggested volume control should be from the main duct run take-off, or from a butterfly damper fitted to the inlet of the cushion head box.
Construction is from extruded aluminium and the recommended maximum length for each section is 3 metres. Standard finish is powder coat white while other finishes are available to suit the interior and architectural design requirements.
Fixed Core Linear Model LSD |
Sizes Available/Dimensions |
20mm slot | 25mm slot |
No of slots | Neck size | Face size | Box size | Neck size | Face size | Box size |
1 | 34mm | 81mm | 45mm | 39mm | 86mm | 50mm |
2 | 67mm | 114mm | 79mm | 77mm | 124mm | 89mm |
3 | 100mm | 147mm | 111mm | 115mm | 162mm | 127mm |
4 | 133mm | 180mm | 145mm | 153mm | 200mm | 165mm |
5 | 167mm | 214mm | 176mm | 192mm | 239mm | 205mm |
6 | 200mm | 247mm | 212mm | 230mm | 277mm | 241mm |
7 | 233mm | 280mm | 245mm | 268mm | 315mm | 280mm |
8 | 267mm | 314mm | 279mm | 308mm | 355mm | 318mm |
Removable Core Linear Model LSD-RC |
Sizes Available/Dimensions |
20mm slot | 25mm slot |
No of slots | Neck size | Face size | Box size | Neck size | Face size | Box size |
1 | 45mm | 85mm | 55mm | 50mm | 90mm | 60mm |
2 | 78mm | 118mm | 89mm | 88mm | 128mm | 99mm |
3 | 111mm | 151mm | 123mm | 126mm | 166mm | 137mm |
4 | 144mm | 184mm | 150mm | 164mm | 204mm | 175mm |
5 | 178mm | 218mm | 189mm | 203mm | 243mm | 214mm |
6 | 211mm | 251mm | 222mm | 241mm | 281mm | 252mm |
7 | 244mm | 284mm | 255mm | 279mm | 319mm | 290mm |
8 | 278mm | 318mm | 289mm | 319mm | 359mm | 329mm |
![2 Slot Ac Grill 2 Slot Ac Grill](https://www.madel.com/wp-content/uploads/2015/07/LOOK_studio-Web.jpg)
Slot Type Diffusers
Type LSD - Selection Data
Two Way Blow |
L/s per metre | 2 slots wide | 4 slots wide | 6 slots wide | 8 slots wide |
31 | Blow in m. | 1.83 | - | - | - |
Pressure drop (Pa) | 2.5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
47 | Blow in m. | 2.74 | - | - | - |
Pressure drop (Pa) | 5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
62 | Blow in m. | 3.35 | 2.13 | - | - |
Pressure drop (Pa) | 10 | 2 | - | - |
Suitable N/C level | 25 | less than 25 | - | - |
78 | Blow in m. | 3.96 | 2.74 | - | - |
Pressure drop (Pa) | 20 | 2.5 | - | - |
Suitable N/C level | 30 | less than 25 | - | - |
93 | Blow in m. | 4.88 | 3.05 | 2.13 | - |
Pressure drop (Pa) | 2 | 5 | 2.5 | - |
Suitable N/C level | 32 | less than 25 | less than 25 | - |
108 | Blow in m. | 5.8 | 3.66 | 2.44 | - |
Pressure drop (Pa) | 32.4 | 7.5 | 2.5 | - |
Suitable N/C level | 35 | less than 25 | less than 25 | - |
124 | Blow in m. | 6.7 | 3.96 | 2.74 | 2.44 |
Pressure drop (Pa) | 40 | 10 | 5 | 2.5 |
Suitable N/C level | 38 | less than 25 | less than 25 | less than 25 |
139 | Blow in m. | - | 4.57 | 3.05 | 2.44 |
Pressure drop (Pa) | - | 12.5 | 5 | 2.5 |
Suitable N/C level | - | less than 25 | less than 25 | less than 25 |
155 | Blow in m. | - | 4.88 | 3.66 | 2.74 |
Pressure drop (Pa) | - | 17.4 | 7.5 | 2.5 |
Suitable N/C level
| - | 25 | less than 25 | less than 25 |
170 | Blow in m. | - | 5.5 | 3.96 | 3.05 |
Pressure drop (Pa) | - | 27.4 | 7.5 | 5 |
Suitable N/C level | - | 30 | 25 | less than 25 |
186 | Blow in m. | - | 6.1 | 4.26 | less than 25 |
Pressure drop (Pa) | - | 34.9 | 10 | 5 |
Suitable N/C level | - | 30 | 25 | 25 |
217 | Blow in m. | - | - | 4.88 | 3.96 |
Pressure drop (Pa) | - | - | 12.5 | 7.5 |
Suitable N/C level | - | - | 30 | 25 |
248 | Blow in m. | - | - | 5.5 | 4.57 |
Pressure drop (Pa) | - | - | 17.4 | 10 |
Suitable N/C level | - | - | 30 | 28 |
279 | Blow in m. | - | - | 6.7 | 5.5 |
Pressure drop (Pa) | - | - | 22.4 | 12.5 |
Suitable N/C level | - | - | 32 | 30 |
310 | Blow in m. | - | - | 7.62 | 6.1 |
Pressure drop (Pa) | - | - | 25 | 14.9 |
Suitable N/C level | - | - | 35 | 32 |
Slot Type Diffusers
Type LSD - Selection Data
One Way Blow |
L/s per metre | 1 slots wide | 2 slots wide | 3 slots wide | 4 slots wide |
16 | Blow in m. | 1.83 | - | - | - |
Pressure drop (Pa)
| 2.5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
31 | Blow in m. | 3.4 | 2.1 | - | - |
Pressure drop (Pa) | 10 | 10 | - | - |
Suitable N/C level | less than 25 | less than 25 | - | - |
47 | Blow in m. | 4.9 | 3.0 | 2.1 | - |
Pressure drop (Pa) | 25 | 7.5 | 2.5 | - |
Suitable N/C level | 25 | less than 25 | less than 25 | - |
62 | Blow in m. | 6.7 | 4.0 | 2.7 | 2.4 |
Pressure drop (Pa) | 40 | 10 | 5 | 2.5 |
Suitable N/C level | 30 | less than 25 | less than 25 | less than 25 |
78 | Blow in m. | - | 5.2 | 3.7 | 2.7 |
Pressure drop (Pa) | - | 15 | 7.5 | 2.5 |
Suitable N/C level | - | less than 25 | less than 25 | less than 25 |
93 | Blow in m. | - | 6.1 | 4.3 | 3.4 |
Pressure drop (Pa) | - | 22 | 10 | 5 |
Suitable N/C level | - | 25 | less than 25 | less than 25 |
108 | Blow in m. | - | 7.3 | 4.9 | 4.0 |
Pressure drop (Pa) | - | 30 | 12.5 | 7.5 |
Suitable N/C level | - | 30 | less than 25 | less than 25 |
124 | Blow in m. | - | - | 5.5 | 4.6 |
Pressure drop (Pa) | - | - | 17.5 | 10 |
Suitable N/C level | - | - | 25 | less than 25 |
139 | Blow in m. | - | - | 6.7 | 5.5 |
Pressure drop (Pa) | - | - | 22 | 12.5 |
Suitable N/C level | - | - | 30 | less than 25 |
155 | Blow in m. | - | - | 7.6 | 6.1 |
Pressure drop (Pa) | - | - | 25 | 15 |
Suitable N/C level | - | - | 32 | 30 |
![Grill Grill](https://www.coolingandheatinginpalmbeach.com/wp-content/uploads/2019/01/air-slot-diffuser-w-logo-updated.jpg)
Model LSDLSD
Polyaire Linear Slot Diffusers are an attractive alternative to the ceiling or high sidewall supply diffusers. Slot diffusers can be installed individually in set lengths or in a continuous line. They can also be installed in any type of ceiling application.
The modules are available with a 20mm or 25mm Slot with the number of slots ranging from 1 to 8 slots and are further available as fixed or removable core. (Fixed Core - Model LSD-FC, Removable Core – LSD-RC.
The air pattern control is adjustable from the diffuser face and is achieved by means of an adjustable pattern control with each slot, enabling a full 180º air pattern adjustment. The suggested volume control should be from the main duct run take-off, or from a butterfly damper fitted to the inlet of the cushion head box.
Construction is from extruded aluminium and the recommended maximum length for each section is 3 metres. Standard finish is powder coat white while other finishes are available to suit the interior and architectural design requirements.
2 Slot Ac Grill Size
Fixed Core Linear Model LSD |
Sizes Available/Dimensions |
20mm slot | 25mm slot |
No of slots | Neck size | Face size | Box size | Neck size | Face size | Box size |
1 | 34mm | 81mm | 45mm | 39mm | 86mm | 50mm |
2 | 67mm | 114mm | 79mm | 77mm | 124mm | 89mm |
3 | 100mm | 147mm | 111mm | 115mm | 162mm | 127mm |
4 | 133mm | 180mm | 145mm | 153mm | 200mm | 165mm |
5 | 167mm | 214mm | 176mm | 192mm | 239mm | 205mm |
6 | 200mm | 247mm | 212mm | 230mm | 277mm | 241mm |
7 | 233mm | 280mm | 245mm | 268mm | 315mm | 280mm |
8 | 267mm | 314mm | 279mm | 308mm | 355mm | 318mm |
Removable Core Linear Model LSD-RC |
Sizes Available/Dimensions |
20mm slot | 25mm slot |
No of slots | Neck size | Face size | Box size | Neck size | Face size | Box size |
1 | 45mm | 85mm | 55mm | 50mm | 90mm | 60mm |
2 | 78mm | 118mm | 89mm | 88mm | 128mm | 99mm |
3 | 111mm | 151mm | 123mm | 126mm | 166mm | 137mm |
4 | 144mm | 184mm | 150mm | 164mm | 204mm | 175mm |
5 | 178mm | 218mm | 189mm | 203mm | 243mm | 214mm |
6 | 211mm | 251mm | 222mm | 241mm | 281mm | 252mm |
7 | 244mm | 284mm | 255mm | 279mm | 319mm | 290mm |
8 | 278mm | 318mm | 289mm | 319mm | 359mm | 329mm |
![Slot Slot](https://designscad.com/wp-content/uploads/2017/01/c_c_t_v_camera____quatar_2d_dwg_block_for_autocad_28473.gif)
Slot Type Diffusers
Type LSD - Selection Data
Two Way Blow |
L/s per metre | 2 slots wide | 4 slots wide | 6 slots wide | 8 slots wide |
31 | Blow in m. | 1.83 | - | - | - |
Pressure drop (Pa) | 2.5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
47 | Blow in m. | 2.74 | - | - | - |
Pressure drop (Pa) | 5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
62 | Blow in m. | 3.35 | 2.13 | - | - |
Pressure drop (Pa) | 10 | 2 | - | - |
Suitable N/C level | 25 | less than 25 | - | - |
78 | Blow in m. | 3.96 | 2.74 | - | - |
Pressure drop (Pa) | 20 | 2.5 | - | - |
Suitable N/C level | 30 | less than 25 | - | - |
93 | Blow in m. | 4.88 | 3.05 | 2.13 | - |
Pressure drop (Pa) | 2 | 5 | 2.5 | - |
Suitable N/C level | 32 | less than 25 | less than 25 | - |
108 | Blow in m. | 5.8 | 3.66 | 2.44 | - |
Pressure drop (Pa) | 32.4 | 7.5 | 2.5 | - |
Suitable N/C level | 35 | less than 25 | less than 25 | - |
124 | Blow in m. | 6.7 | 3.96 | 2.74 | 2.44 |
Pressure drop (Pa) | 40 | 10 | 5 | 2.5 |
Suitable N/C level | 38 | less than 25 | less than 25 | less than 25 |
139 | Blow in m. | - | 4.57 | 3.05 | 2.44 |
Pressure drop (Pa) | - | 12.5 | 5 | 2.5 |
Suitable N/C level | - | less than 25 | less than 25 | less than 25 |
155 | Blow in m. | - | 4.88 | 3.66 | 2.74 |
Pressure drop (Pa) | - | 17.4 | 7.5 | 2.5 |
Suitable N/C level
| - | 25 | less than 25 | less than 25 |
170 | Blow in m. | - | 5.5 | 3.96 | 3.05 |
Pressure drop (Pa) | - | 27.4 | 7.5 | 5 |
Suitable N/C level | - | 30 | 25 | less than 25 |
186 | Blow in m. | - | 6.1 | 4.26 | less than 25 |
Pressure drop (Pa) | - | 34.9 | 10 | 5 |
Suitable N/C level | - | 30 | 25 | 25 |
217 | Blow in m. | - | - | 4.88 | 3.96 |
Pressure drop (Pa) | - | - | 12.5 | 7.5 |
Suitable N/C level | - | - | 30 | 25 |
248 | Blow in m. | - | - | 5.5 | 4.57 |
Pressure drop (Pa) | - | - | 17.4 | 10 |
Suitable N/C level | - | - | 30 | 28 |
279 | Blow in m. | - | - | 6.7 | 5.5 |
Pressure drop (Pa) | - | - | 22.4 | 12.5 |
Suitable N/C level | - | - | 32 | 30 |
310 | Blow in m. | - | - | 7.62 | 6.1 |
Pressure drop (Pa) | - | - | 25 | 14.9 |
Suitable N/C level | - | - | 35 | 32 |
Slot Type Diffusers
Type LSD - Selection Data
2 Slot Ac Grille
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2 Slot Ac Grilles
One Way Blow |
L/s per metre | 1 slots wide | 2 slots wide | 3 slots wide | 4 slots wide |
16 | Blow in m. | 1.83 | - | - | - |
Pressure drop (Pa)
| 2.5 | - | - | - |
Suitable N/C level | less than 25 | - | - | - |
31 | Blow in m. | 3.4 | 2.1 | - | - |
Pressure drop (Pa) | 10 | 10 | - | - |
Suitable N/C level | less than 25 | less than 25 | - | - |
47 | Blow in m. | 4.9 | 3.0 | 2.1 | - |
Pressure drop (Pa) | 25 | 7.5 | 2.5 | - |
Suitable N/C level | 25 | less than 25 | less than 25 | - |
62 | Blow in m. | 6.7 | 4.0 | 2.7 | 2.4 |
Pressure drop (Pa) | 40 | 10 | 5 | 2.5 |
Suitable N/C level | 30 | less than 25 | less than 25 | less than 25 |
78 | Blow in m. | - | 5.2 | 3.7 | 2.7 |
Pressure drop (Pa) | - | 15 | 7.5 | 2.5 |
Suitable N/C level | - | less than 25 | less than 25 | less than 25 |
93 | Blow in m. | - | 6.1 | 4.3 | 3.4 |
Pressure drop (Pa) | - | 22 | 10 | 5 |
Suitable N/C level | - | 25 | less than 25 | less than 25 |
108 | Blow in m. | - | 7.3 | 4.9 | 4.0 |
Pressure drop (Pa) | - | 30 | 12.5 | 7.5 |
Suitable N/C level | - | 30 | less than 25 | less than 25 |
124 | Blow in m. | - | - | 5.5 | 4.6 |
Pressure drop (Pa) | - | - | 17.5 | 10 |
Suitable N/C level | - | - | 25 | less than 25 |
139 | Blow in m. | - | - | 6.7 | 5.5 |
Pressure drop (Pa) | - | - | 22 | 12.5 |
Suitable N/C level | - | - | 30 | less than 25 |
155 | Blow in m. | - | - | 7.6 | 6.1 |
Pressure drop (Pa) | - | - | 25 | 15 |
Suitable N/C level | - | - | 32 | 30 |