Deflection Test For Grp Pipes

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FAQ

What kinds of fans can be divided according to the use of material classification?
5. Fan in the form of pressure can also be divided into single, double or multi-stage pressure fan
How to determine the direction of centrifugal fan?
When the impeller is clockwise rotation and the fan outlet in the lower left to the horizontal direction when the gas is called the right 0 degrees
How to change the fan flow ah?
Valve adjustment, will increase the loss of resistance, but the most used method, the wind pressure, including static pressure and dynamic pressure, the two can be transformed into each other, should be selected according to the needs of fans. The world's first N (station contact TA) Roots blower mainly rely on frequency and bypass regulation of air volume, centrifugal fan generally adjust the intake valve to adjust the air volume, rarely with frequency.
Is the centrifugal fan plugging the air inlet motor?
Centrifugal fan to block the air inlet, this time because the motor load to reduce, can indeed reduce the amount of electricity waste
What are the ventilation ducts for wind turbines?
8.5.7 Insulation materials, silencers and adhesives for pipes and equipment shall be non-combustible materials or refractory materials.
What is the critical speed of the fan?
This speed is equal to the natural frequency of the rotor, when the speed continues to increase, close to 2 times the natural frequency amplitude will increase,
What types of fans are usually divided into?
Fan classification can be divided into centrifugal, axial, oblique flow (mixed flow) and cross flow type according to the direction of gas flow.
What is the difference between an axial fan and a DC fan?
DC fan is through the input of DC power, so that the DC motor to drive the fan wheel rotation