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Address: Room 1502, Building 2, No. 39, Shangyi Road, Minhang District, Shanghai
Phone:021-64130068
Mobile:18221910198(same as WeChat)
Fax:021-64135086
Email:asli@shinelong.com
RF Perforate Faced Return Air Grille
- Commodity name： RF Perforate Faced Return Air Grille
- Product Description
- Technical parameters
-
Made of aluminum plate or galvanized steel plate, the surface is oxidized, and can also be anodized, electrostatically sprayed, or baked according to decorative requirements.
A 5mm thick foam filter is attached to the back of the return air grille.
It can be directly installed on light steel keel. If installed on a concealed frame ceiling, it is ideal to use with B-T type frame or B-L type frame.
Optional accessories: R2 nylon filter, R3 aluminum alloy filter, B-T type frame, B-L type frame. -
RF Performance Table of Decorative Return Air Grilles
Area m² 2
Neck Size mm
Air Velocity m/s
2
3
4
5
6
Dynamic Pressure pa
2.5
5.5
10
15.5
22
Static Pressure Loss
16
33
58
90
128
0.025
250x100
200x125
Air Volume CMH
180
270
360
450
540
NC
29
34
37
39
40
0.03
300x100
200x150
Air Volume CMH
216
324
432
540
648
NC
29
34
36
39
40
0.04
400x100
250x150
Air Volume CMH
288
432
576
720
864
NC
29
34
36
39
40
0.045
350x125
300x150
Air Volume CMH
324
486
648
810
972
NC
29
33
36
38
40
0.05
350x150
250x200
Air Volume CMH
360
540
720
900
1080
NC
28
32
35
37
39
The NC value is based on an indoor absorption attenuation of 10dB and 10-12 watts
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Room 1502, Building 2, No. 39, Shangyi Road, Minhang District, Shanghai
