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Anonymous users2024-01-24Low-noise cabinet centrifugal fan, the static pressure can definitely meet the length of the pipe, and the specific parameters need to be known in detail
At present, the processing price is about 100 yuan per square meter.
Yes, the nest is made of this, and here in Wuhan, the only name and number needed is Wei.
In order to ensure the purification effect, in the actual design, the exhaust air volume is required to be calculated according to the suction wind speed of the exhaust hood, and the suction air speed of the hood is usually not lower. The minimum exhaust airflow is usually calculated using the following formula: l=2000ph >>>More
It is possible to make a hole above the end of the exterior wall, but this may be negotiated with the property. >>>More
No way! Try the return air valve. Normal flue can't go down the gutter! The smoke can't be discharged, and the resistance is too great.