Perforated Face Swirl Diffuser - Square

Model PSW - SquarePSW

Perf Swirl Square
Perf Swirl Square

The Polyaire Square Perforated Swirl Diffuser are suitable for supply of air with a large temperature differential, making these units ideal for Fan Coil Units, VAV and VRF Systems. The rotating supply air pattern provides a high degree of induction making these diffusers well suited to supply both warm and cool air.

Manufactured from galvanised steel.

Standard finish RAL 9010. Other RAL colours available to your requirements.

Non-stock - Made To Order

Lay-in Ceiling Type

Size A (mm) C (mm)
160 595 x 595 157 10
200 595 x 595 197 10
250 595 x 595 247 10
300 595 x 595 297 10
315 595 x 595 312 10
400 595 x 595 397 10
450 595 x 595 447 10

Hinged Face Type

Size A (mm) C (mm) D (mm)
160 595 x 595 157 40 540 x 540
200 595 x 595 197 40 540 x 540
250 595 x 595 247 40 540 x 540
300 595 x 595 297 40 540 x 540
315 595 x 595 312 40 540 x 540
400 595 x 595 397 40 540 x 540
450 595 x 595 447 105 540 x 540

Order Selection

Item # Description
248108 NF 595 x 595mm Perforated Face Swirl Diffuser 160mm Ø (Fixed c/w No frame)
TBC 595 x 595mm Perforated Face Swirl Diffuser 200mm Ø (Fixed c/w No frame)
248109 NF 595 x 595mm Perforated Face Swirl Diffuser 250mm Ø (Fixed c/w No frame) 
TBC 595 x 595mm Perforated Face Swirl Diffuser 300mm Ø (Fixed c/w No frame)
248110 NF 595 x 595mm Perforated Face Swirl Diffuser 315mm Ø (Fixed c/w No frame)
248111 NF 595 x 595mm Perforated Face Swirl Diffuser 400mm Ø (Fixed c/w No frame) 
248112 NF 595 x 595mm Perforated Face Swirl Diffuser 450mm Ø (Fixed c/w No frame) 
   
248108 595 x 595mm Perforated Face Swirl Diffuser 160mm Ø (Fixed c/w frame)
TBC 595 x 595mm Perforated Face Swirl Diffuser 200mm Ø (Fixed c/w frame)
248109 595 x 595mm Perforated Face Swirl Diffuser 250mm Ø (Fixed c/w frame) 
TBC 595 x 595mm Perforated Face Swirl Diffuser 300mm Ø (Fixed c/w frame) 
248110 595 x 595mm Perforated Face Swirl Diffuser 315mm Ø (Fixed c/w frame) 
248111 595 x 595mm Perforated Face Swirl Diffuser 400mm Ø (Fixed c/w frame) 
248112 595 x 595mm Perforated Face Swirl Diffuser 450mm Ø (Fixed c/w frame) 
   
248113 595 x 595mm Perforated Face Swirl Diffuser 160mm Ø / Hinged
TBC 595 x 595mm Perforated Face Swirl Diffuser 200mm Ø / Hinged
248114 595 x 595mm Perforated Face Swirl Diffuser 250mm Ø / Hinged
TBC 595 x 595mm Perforated Face Swirl Diffuser 300mm Ø / Hinged
248115 595 x 595mm Perforated Face Swirl Diffuser 315mm Ø / Hinged 
248116 595 x 595mm Perforated Face Swirl Diffuser 400mm Ø / Hinged 
248117 595 x 595mm Perforated Face Swirl Diffuser 450mm Ø / Hinged

Performance Details

160mm Dia l/s 20 25 30 35 40 45 50 55 60
Throw (m) 0.3-0.5 0.4-0.7 0.5-0.9 0.6-1.1 0.6-1.3 0.7-1.4 1.0-1.6 1.0-1.7 1.2-1.9
Pa 6 10 14 20 26 33 40 49 58
NC - 18 23 28 31 35 38 40 43
250mm Dia l/s 40 50 60 70 80 90 100 110 120
Throw (m) 0.5-0.9 0.6-1.2 0.7-1.4 0.9-1.9 1.0-2.1 0.9-2.3 1.2-2.4 1.3-2.6 1.4-2.9
Pa 5 8 12 16 21 26 32 39 47
NC - 18 23 27 31 34 37 40 42
315mm Dia l/s 70 80 90 100 120 140 160 180 200
Throw (m) 0.8-1.5 0.8-1.7 1.0-1.9 1.1-2.1 1.2-2.5 1.4-2.9 1.8-3.4 2.0-3.8 2.4-4.2
Pa 6 8 10 12 18 24 35 40 49
NC - 15 18 21 26 31 34 38 41
450mm Dia l/s 150 175 200 225 250 275 300 325 350
Throw (m) 1.0-2.1 1.2-2.5 1.3-2.8 1.5-3.2 1.6-3.5 2.0-3.9 2.0-4.2 2.3-4.6 2.5-4.9
Pa 5 7 9 11 14 17 20 23 27
NC - 17 21 24 27 30 32 34 42