Perforated Face Swirl Diffuser - Round

Model PSW - RoundPSW

Perf Swirl Round
Perf Swirl Round

The Polyaire Round 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

Dimensions

Size Aø Bø C (mm)
160 280 157 90
250 380 247 90
315 440 312 90
400 540 397 90
450 590 447 90

Order Selection

Item # Description
248103 160mm dia Round Perforated Face Swirl Diffuser (280mm Ø Face Size) 
248104 250mm dia Round Perforated Face Swirl Diffuser (380mm Ø Face Size) 
248105 315mm dia Round Perforated Face Swirl Diffuser (440mm Ø Face Size) 
248106 400mm dia Round Perforated Face Swirl Diffuser (540mm Ø Face Size) 

Performance Data

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