top exhaust louver from China for air conditioning

Back Draught Damper

Applications:

Ventilation damper the type back draught damper is a non-return damper for extract air. Made of galvanized sheet, for installation into round ducts, to shut the duct automatically when extraction of air stops. Prevent the outside air flow back.

Descriptions:

● Nominal sizes: 100, 125, 150, 200, 250, 315.

● For non-return air control.

● Fame made of galvanized sheet 0.8mm, inner shutter made of aluminum 0.3mm.

● For installation into round ducts.

● Specially designed springs allow accurate control of the shutter.

top exhaust louver from China for air conditioning-1

top exhaust louver from China for air conditioning-2

v******r

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q******e

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d******p

[企业简称] insists on selecting high-quality rubber and plastic materials, and adopts exquisite craftsmanship to produce exhaust louver. The produced exhaust louver has stable performance and reliable quality, and has won wide acclaim.

i******a

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s******r

Experiment indicates that exhaust louver is exhaust louver,which could serve as an ideal exhaust louver. The product has the advantage of easy installation

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