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Noise reduction effect: 20-25 dB(A) - details see: https://www.machineto.com/bdfz-sound-proof-enclosure-10360159

About BDFZ:

BDFZ type sound-insulation enclosure is a high-tech product specially designed for blowers. It can effectively reduce the blower noise by 20-25dB(A).

Features:

1. Using steel plate for sound insulation, and with sound absorbing material embedded in it.

2. There are four doors, and each side can open thoroughly, which is convenient for daily maintenance.

3. Except the noise reduction, it can indicate running pressure and bearing temperature, alarm when excess pressure and temperature, and output the control information.

Materils:

Composed of different materials (4 layers):

The fist layer: steel plate (thickness 2mm)

The second and third layer: 2×40mm rock-wool of different density

The forth layer: galvanized punch plate