Project Description

Round Plaque Diffuser

Curvaceous designed air diffuser, beautifully integrates with interior decor. Simple and convenient supply air volume control. Custom colors available for all steel diffusers.

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PRODUCT > Diffuser > Round Plaque Diffuser

Adjustable Screw Action Core for
Air Volume Control.

Curvaceous designed air diffuser with maximum air pressure and minimum noise. Infinite adjustable screw action core for simple air volume control.

Specification

Model No. ΦA W B D C
RPD 3100 95 320 260 60 50
RPD 3125 120 320 260 60 50
RPD 3150 145 320 260 60 50
RPD 3200 195 320 260 60 50
PRD 4220 200 420 390 60 63
RPD 4225 250 420 390 60 63
RPD 4825 250 480 445 60 69
RPD 4830 300 480 445 60 69

Performance Chart

Model No Neck Velocity (m/sec) 2 2.5 3 3.5 4 4.5 5 6 7
RPD 3150 Air Volume(CMH) 117 146 175 205 234 263 292 351 409
Static Pressure Loss(Pa) 9 15 22 30 40 50 63 90 125
Noise (dBA) 25 30 34 38 41 46 52
Air Throw(m) 2.2 2.8 3.3 3.9 4.4 5 5.5 6.5 7.7
RPD 3200 Air Volume(CMH) 217 271 325 379 434 488 542 650 759
Static Pressure Loss(Pa) 9 15 22 30 40 50 63 90 125
Noise (dBA) 21 26 30 35 38 40 46 52
Air Throw(m) 3.2 4 4.8 5.6 6.4 7 8 9.5 11
Model No Neck Velocity (m/sec) 2 2.5 3 3.5 4 4.5 5 6 7
RPD 4220 Air Volume(CMH) 217 271 325 379 434 488 542 650 759
Static Pressure Loss(Pa) 9 15 22 30 40 50 63 90 125
Noise (dBA) 21 26 30 35 38 40 46 52
Air Throw(m) 3.2 4 4.8 5.6 6.4 7 8 9.5 11
RPD 4225 Air Volume(CMH) 342 427 512 598 683 769 854 1,025 1,196
Static Pressure Loss(Pa) 10 16 23 31 42 52 64 91 127
Noise (dBA) 23 28 33 36 40 43 48 54
Air Throw(m) 4 5 6.1 7.2 8.2 9.2 10.3 11.4 12.8
Model No Neck Velocity (m/sec) 2 2.5 3 3.5 4 4.5 5 6 7
RPD 4825 Air Volume(CMH) 342 427 512 598 683 769 854 1,025 1,196
Static Pressure Loss(Pa) 10 16 23 31 42 52 64 91 127
Noise (dBA) 23 28 33 36 40 43 48 54
Air Throw(m) 4 5 6.1 7.2 8.2 9.2 10.3 11.4 12.8
RPD 4830 Air Volume(CMH) 495 618 742 866 990 1,113 1,237 1,484 1,732
Static Pressure Loss(Pa) 10 16 23 31 42 52 64 91 127
Noise (dBA) 24 29 34 39 42 45 50 58
Air Throw(m) 5.3 6.6 8 9.3 10.6 12 13.2 16 19.6

※ Distance of Air throw is measured up to 0.5m/sec. Noise level below 20dB(A) are not listed.
※ Temperature difference of air throw during the test is at ±10ºC, 80% on heating 14% on cooling.
※ Multiply 1.6 for air throw distance of 0.25m/sec.