custom air flow louvers best supplier bulk buy

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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 custom air flow louvers best supplier bulk buy-1

Ventech custom air flow louvers best supplier bulk buy-2

n******h

air flow louvers is one of the factors that Yingde Ventech Air Conditioning Co.,Ltd emphasizes during material selection. SUMWIC decoiler is made of high-quality steel and it matches perfectly with foreign motors

l******k

What Yingde Ventech Air Conditioning Co.,Ltd is utilizing for material of air flow louvers is double checked for quality. Most of SUMWIC winding machines has vernier caliper functions

u******t

All air flow louvers may be the same, but air flow louvers make us take the lead.All SUMWIC machines are subjected to an extensive quality testing program prior to shipment

q******j

It has been proved through industrial tests that air flow louvers has met design requirements. The winding process will be done with high speed & high precision by SUMWIC machine

e******g

air flow louvers attracted attention with a particular design, it was regarded a air flow louvers with great expansibility. CNC micro-computer controller allows easier parameters setting on SUMWIC machine

t******y

air flow louvers can stand all kinds of strict tests before putting into use. SUMWIC winding machine can adjust the winding speed automatically to the most steady state

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3^rd, Hongca Road, Yinghong Industrial Zone, Yingde, Guangdong, China

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