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Sanniu Roots Fan Saniu Machinery Roots Fan Manufacturing Expert

400-6531-228
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Difference between negative pressure roots fan and positive pressure roots fan

Post time: 2020-01-02 16:29 [Large Middle Small]
The basic structure and principle of positive-pressure Roots fan and negative-pressure Roots fan (Roots vacuum pump) are similar, but Roots vacuum pump and Roots fan are different. Roots vacuum pump is used for suction, commonly used As a negative pressure environment, Roots blowers are commonly used for positive pressure environment. Therefore, they are also Roots equipment, their inlets and outlets are opposite. One pressure gauge is a positive pressure gauge and the other is a negative pressure gauge. That is to say, the two are essentially the same when used in a positive pressure fan, and used in a negative pressure system is a negative pressure fan, as long as the flow pressure can be reached.
The working principle of positive pressure Roots wind: under the drive of the motor, the two impellers will rotate towards each other. After the impeller rotates through the air inlet, a sealed chamber will be formed between the two impellers and the wall plate and the casing, and the impeller continues Rotate, the air in the sealed chamber will be pressed into the exhaust port, and then repeatedly pass through the intake port and exhaust port to deliver the outside air to the destination.
The working principle of Roots vacuum pump: The airframe of the fan is driven by the motor to discharge air outside. The air pressure inside the airframe is reduced to form a negative pressure zone, which causes air pressure difference. The external air enters the airframe through the air inlet and passes through the exhaust. Mouth into the outside world.
The difference between the above positive pressure and negative pressure Roots fans. When selecting Roots fans, it is necessary to determine with the technicians whether it is suction or supply air, to avoid unnecessary trouble when purchasing. For more details, call the phone below, we will Give you professional service.
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Contact Sanniu Roots Fan

Phone: 400-6531-228

Name: Shandong Sanniu Machinery Co., Ltd.

Phone: 400-6531-228

Customer Service: 0531-83826888

Mobile: 13853133798

Fax: 0531-83288555

Address: North Industrial Park, Xianggongzhuang Town, Zhangqiu City

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