6 Inch 150mm Bathroom Window Ventilation Fan

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Packaging Detail:	Bathroom window ventilation fan CTN/QTY:12 pcs MEAS:64.3X22.2X43.7 cm
Delivery Detail:	20-25 days after receive buyer's deposit

Bathroom window ventialtion fan
1)Long life shaed pole motor
2)Material:high quality PP
3)Low noise,energy efficient

Q: How to make the electric fan in the house to achieve the best results?: Place the fan on the doorway or window sill to increase the speed of air convection

Q: What is the difference between the natural wind and the sleeping wind?: Both natural and sleeping winds are simulated by programmed interruption of the fan's opening and stopping. The difference is that the opening and stopping times are slightly different. Of course, should not be aware of the use.

Q: Why does the electric fan always rotate clockwise?: The fan blade of a conventional fan has a tilt angle (the steering is designed from the angle of the tilt angle). The motor causes the fan to rotate and the space-time is compressed, causing air flow (resulting in wind). The direction of flow is related to the direction of the fan's rotation and the inclination of the fan blade.

Q: What is the principle of a vaneless fan?: No leaf fan operation, the motor base in the first air inhaled from many hole edge, then the air pushed upward into the hollow pipe ring, the pipe on the side of the thick, with a ring of narrow slit, the air ejected from the slot; at the Bainuliding law, these the air flow will produce a lower pressure in the middle ring, thus driving the rear ring, on the surrounding air flows toward the front of the ring together, blowing.

Q: What is the function of the fan blade?: Fewer leaves are likely to produce greater wind pressure, but the noise is greater, while the number of leaves is the opposite

Q: What is the problem of slow fan speed?: The capacitive value of the starting capacitor is caused by a decrease in the capacitance

Q: How to measure the speed of an electric fan conveniently and precisely?: If you have a variable frequency light, you can gradually increase the frequency until the first fan page is almost stationary, and then multiply by three to calculate the speed

Q: Why do most fans only have 3 blades?: We usually use the fan for axial fan, the blade is odd, this is because if the even shape symmetrical blades, and no adjustment of balance, it is easy to make the system resonance occurs, if the blade material is unable to resist fatigue due to vibration, will cause the blade or the spindle is broken, so odd pieces of the fan blade design on asymmetric multi axis design

Q: How do you use an electric fan to set up an air distribution system in an air tight room?: In contrast, outdoor, room because of the enclosure, radiation and heat inside the reasons, in most cases, the temperature will be higher than the outdoor level. In the temperature stratification under the condition of the same, because the overall warmer indoor air temperature smaller, resulting in a lesser level of indoor air pressure difference outside the same distance.