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 60
250 595 x 595 247 60
315 595 x 595 312 60
400 595 x 595 397 60
450 595 x 595 447 60

Hinged Face Type

Size A (mm) C (mm)
160 595 x 595 157 105
250 595 x 595 247 105
315 595 x 595 312 105
400 595 x 595 397 105
450 595 x 595 447 105

Order Selection

Item # Description
248108 NF 595 x 595mm Perforated Face Swirl Diffuser 160mm Ø (Fixed c/w No frame)
248109 NF 595 x 595mm Perforated Face Swirl Diffuser 250mm 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)
248109 595 x 595mm Perforated Face Swirl Diffuser 250mm 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
248114 595 x 595mm Perforated Face Swirl Diffuser 250mm 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