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

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exhaust louver is one of the factors that Yingde Ventech Air Conditioning Co.,Ltd emphasizes during material selection. SUMWIC winding machine is driven by the constant current circuit

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What Yingde Ventech Air Conditioning Co.,Ltd is utilizing for material of exhaust louver is double checked for quality. SUMWIC winding machine features strong anti-interference ability

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All exhaust louver may be the same, but exhaust louver make us take the lead.SUMWIC winding machine is driven by the constant current circuit

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It has been proved through industrial tests that exhaust louver has met design requirements. The latest synchronous winding single-chip microprocessor design is adopted by SUMWIC

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exhaust louver attracted attention with a particular design, it was regarded a exhaust louver with great expansibility. All SUMWIC machines have low noise level

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exhaust louver can stand all kinds of strict tests before putting into use. The speed of the cop motor of SUMWIC machines can be changed at random when in operation

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

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