WS400

Square swirl diffuser with fixed blades

The swirl diffuser type WS400 is equipped with fixed blades. It is designed for installation in modular ceiling systems but can also be surface mounted. A high induction is obtained through the excellent swirl effect. The diffuser has a strong coanda effect over a wide temperature range (also at low flow rates) which makes it optimally suited for VAV applications.

Ceiling
Swirl
Rectangular execution

Specifications

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m³/h

l/s

dB(A)

			L_wL_w			L_wL_w
Code	Type	Size	25 dB(A)	30 dB(A)	35 dB(A)	NR20	NR25	NR30
WS400S	-	125 mm	122 m³/h 34 l/s	142 m³/h 40 l/s	167 m³/h 46 l/s	122 m³/h 34 l/s	142 m³/h 40 l/s	167 m³/h 46 l/s
WS400S	-	160 mm	197 m³/h 55 l/s	230 m³/h 64 l/s	269 m³/h 75 l/s	197 m³/h 55 l/s	230 m³/h 64 l/s	269 m³/h 75 l/s
WS400S	-	200 mm	248 m³/h 69 l/s	296 m³/h 82 l/s	355 m³/h 99 l/s	248 m³/h 69 l/s	296 m³/h 82 l/s	355 m³/h 99 l/s
WS400S	-	250 mm	392 m³/h 109 l/s	463 m³/h 128 l/s	546 m³/h 152 l/s	392 m³/h 109 l/s	463 m³/h 128 l/s	546 m³/h 152 l/s
WS400S	-	315 mm	483 m³/h 134 l/s	573 m³/h 159 l/s	680 m³/h 189 l/s	483 m³/h 134 l/s	573 m³/h 159 l/s	680 m³/h 189 l/s
WS400T	-	125 mm	141 m³/h 39 l/s	164 m³/h 46 l/s	192 m³/h 53 l/s	141 m³/h 39 l/s	164 m³/h 46 l/s	192 m³/h 53 l/s
WS400T	-	160 mm	238 m³/h 66 l/s	276 m³/h 77 l/s	319 m³/h 89 l/s	238 m³/h 66 l/s	276 m³/h 77 l/s	319 m³/h 89 l/s
WS400T	-	200 mm	299 m³/h 83 l/s	356 m³/h 99 l/s	426 m³/h 118 l/s	299 m³/h 83 l/s	356 m³/h 99 l/s	426 m³/h 118 l/s
WS400T	-	250 mm	493 m³/h 137 l/s	575 m³/h 160 l/s	671 m³/h 186 l/s	493 m³/h 137 l/s	575 m³/h 160 l/s	671 m³/h 186 l/s
WS400T	-	315 mm	512 m³/h 142 l/s	605 m³/h 168 l/s	715 m³/h 199 l/s	512 m³/h 142 l/s	605 m³/h 168 l/s	715 m³/h 199 l/s

WS400

Square swirl diffuser with fixed blades

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