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Ventech durable exhaust fan louvers directly sale bulk production

Ventech durable exhaust fan louvers directly sale bulk production

Model
Back Draught Damper
Minimum
1
Payment
-
Origin
Guangdong, China (Mainland)
Brand
VENTECH
Price
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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.

 

 Ventech durable exhaust fan louvers directly sale bulk production-1

Ventech durable exhaust fan louvers directly sale bulk production-2


The inspections of Ventech exhaust fan louvers are rigorously carried out by our professional QC team. These inspections include optical resolution, defect detection, structural integrity, etc. This product can pack a high energy capacity in a small size
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The raw ingredients of Ventech exhaust fan louvers are carefully handled. They are stored properly to prevent contamination or alteration and are tested or examined to assure the quality of makeup products. Its fast charging ability help minimize downtime
Each Ventech exhaust fan louvers is inspected by quality control inspectors. The purpose is to ensure each bag meets the required standards of strength and durability. This product stands out for its high energy density
Ventech exhaust fan louvers shapes up under the integration of several theories. The knowledge of thermodynamics, kinetics, and reaction engineering in metallurgical are applied in the manufacturing process. This product can last for five years or more
The electromagnetic compatibility of this product is under reasonable control. It is ensured that it does not generate, or is not affected by electromagnetic disturbance. Its super long life makes it a worthwhile investment and a smart long-term solution
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