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silencer is suitable in the wind speed low air conditioning, in ventilation system's main pipe lineThe introduction of silencer
The YVKW micro perforation plate noise elimination bender introduces theYVKW noise elimination bender is one kind of new muffler which improves in the original similar products' foundation. After the strict test and the widespread use proof, this noise elimination bender has the good noise elimination performance and the wide frequency band, the air current resistance is small, the regeneration voice is low. It uses the small perforation plate to take the sound absorber, has cancelled the resistive sound absorber, enabled the structure to obtain the big simplification, was suitable in moist, the high temperature, the high-velocity current and the ultra purification and so on the special environment air conditioning, the well ventilated project uses.
The composition and structure YVKW the noise elimination bender, the interior fixes for the micro perforation plate by the channel steel skeleton on the outer covering steel plate. And: YVKW-1 is Shan Qiangwei the perforation plate structure (single-layer perforation plate); YVKW-2 is the pair micro perforation plate structure (double-decked perforation plate); the micro perforation plate uses the galvanization steel plate machinery to stamp out
Selects ordering notice 1, YVKW-1 micro perforation plate noise elimination bender, its noise elimination frequency band mainly by intermediate frequency primarily; the YVKW-2 micro perforation plate noise elimination bender, its noise elimination frequency band is wide. when user shaping order should indicate according to the operation requirements.
Because interaction between bender's, its noise elimination effect for single 1.5 times. Therefore, when long-term usage noise elimination bender, should enlarge its connection distance as far as possible, guarantees the noise elimination bender's application effect
NO |
Wind speed |
Resistance loss mm(H2O) |
Sound grading |
|||||||
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
A |
|||
VKW-1 |
5 |
2.4 |
3 |
9 |
13 |
15 |
12 |
7 |
4 |
10 |
10 |
3.6 |
4 |
14 |
17 |
9 |
6 |
12 |
|||
15 |
7.2 |
10 |
13 |
14 |
13 |
7 |
13 |
|||
20 |
3.5 |
5 |
12 |
12 |
13 |
14 |
12 |
10 |
14 |
|
VKW-2 |
5 |
2.5 |
8 |
13 |
14 |
10 |
8 |
5 |
10 |
|
10 |
4 |
7 |
13 |
15 |
15 |
12 |
9 |
8 |
11 |
|
15 |
8.2 |
10 |
16 |
13 |
10 |
7 |
13 |
|||
20 |
12.8 |
6 |
14 |
16 |
15 |
12 |
||||
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