Ac Slot Grill
Model LSDLSD
SteelCrest Gold Series Custom Metal Grilles and Registers. Huge selection of designs and finishes! Laser cut from 1/8-inch thick steel (11 gauge). Supply grilles include an attached air control damper. What are some of the most reviewed registers & grilles? Some of the most reviewed registers & grilles are the Everbilt 10 in. 3-Way Wall/Ceiling Register with 707 reviews and the Everbilt 12 in. White Return Air Grille with 586 reviews.
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 |
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
Ac Slot Grill Picture
| 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 | |