Shutter type ventilation fan
·reasonable design of the blade shape combine with the high-quality electrical motor,and unique designed flow channel ,which make the product do have any noise nearly.
·High quality plastic board and frame with succinct design,which is Resilient , corrosion-resistant, easy to clean and can keep the original color and shape Continuously .
·When the Shutter is closed and opened,the power can be disconnected and put through at the same time ,so we can operates it flexibly.Furthermore,it can reliable cut off the external pollution.
·Extremely big circular radian and high-performance engineering ABS plastic board combines with Spacious fuel tank,so that the products can Absorp Greasy dirt and dust extensively,without any pollution.
· Face guard is integrative designed, so the machine can combine with it Perfectly,which make the whole machine more Thin, Compact and beautiful.
Install size Instruction chart

Unit:mm
Model

A	B	C	D	E	F	G
KTD-20	Φ200	310×310	245×245	95	50	220	275

Main technical parameters
Type

model

Applicable power(V)

Applicable power(Hz)

Power(W)

wind amount (m3/min)

Noise(dB)

Available area(m2)

Outer packing(cm)

case

Total weight(kg)

In

Out

Double

luxury

KTD-20

220-

50

40

8

6

≤42

20~25

53x33x66

6

17