0086-571-81603539
Home
Company
Product
Download Center
Contact us
Telephone
Telephone:0086-571-81603539
Back to Top
Current location: Home > Product > Ventilation > Duct Fitting > Sound Attenuators >
Circular sound attenuators
Release time:2020-03-09 16:54
Circular sound attenuators

SA



Dimensions
Type ΦD[mm] Φd[mm] L[mm]
SA100 L=900 200 100 900
SA125 L=600 200 125 600
SA125 L=900 200 125 900
SA150 L=600 250 150 600
SA150 L=900 250 150 900
SA160 L=600 250 160 600
SA160 L=900 250 160 900
SA180 L=600 315 180 600
SA180 L=900 315 180 900
SA200 L=900 315 200 900
SA250 L=900 400 250 900
SA315 L=900 500 315 900
SA355 L=900 500 355 900
SA400 L=900 630 400 900
SA450 L=900 630 450 900
SA500 L=1200 630 500 1200
SA560 L=1200 800 560 1200
SA630 L=1200 800 630 1200
Sound attenuation
Type Attenuation dB
125[Hz] 250[Hz] 500[Hz] 1k[Hz] 2k[Hz] 4k[Hz] 8k[Hz]
SA100 L=900 8 15 27 36 42 47 24
SA125 L=600 6 12 22 28 37 38 22
SA125 L=900 9 18 30 40 48 43 24
SA150 L=600 4 9 17 2 32 29 18
SA150 L=900 7 15 20 35 45 36 20
SA160 L=600 5 10 18 23 33 30 19
SA160 L=900 8 16 27 36 48 37 21
SA180 L=600 6 90 17 22 32 29 18
SA180 L=900 9 15 26 35 46 36 20
SA200 L=900 7 13 24 31 44 31 20
SA250 L=900 8 15 29 34 47 33 17
SA315 L=900 6 12 22 24 36 26 19
SA355 L=900 7 13 21 25 37 27 21
SA400 L=900 6 12 20 26 32 28 24
SA450 L=900 6 9 14 23 21 24 14
SA500 L=1200 7 11 15 24 22 25 16
SA560 L=1200 7 13 16 24 21 24 15
SA630 L=1200 7 14 18 25 21 21 15

Circular sound attenuator in galvanized steel with insulation shell thickness between 50 and 100 mm
Composition
Circular silencers are designed with an external galvanised duct
system
Inner casing is made of perforated sheet steel
Cavity is filled with soundabsorbent mineral wool

Mounting
The attenuators should be mounted using duct suspension
clamps, around the duct connection Ød The outside diameter
ØD of these attenuators may have small deviations in size



Related Information
Circular sound attenuators Sound Attenuators
Flexible silencer Sound Attenuators
Copyright (C) HANGZHOU LIFENG IMPORT&EXPORT CO.,LTD.All rights reserved. Power by DedeCms Record number:浙ICP备06048519号