Comparison of frequency conversion constant pressure water supply and non negative pressure water supply 1、 The difference between the two devices is mainly in the operation principle The biggest difference seen from the appearance of variable frequency constant pressure water supply and non...

Safety tips for pump industry! 1. Ventilation Pump experts know that pumps need to be ventilated to prevent overheating. Therefore, the location of the pump must ensure adequate ventilation and prevent fire risk. This means that all pump types except submersible pumps must be installed at least...

Explosion-proof motor is a kind of motor that can be used in flammable and explosive plants, and it does not generate sparks during operation. Explosion-proof motors are mainly used in coal mines, petroleum and natural gas, petrochemical and chemical industries. In addition, it is also widely...

W ater pump moving equipment overhaul knowledge Scheduled overhaul According to the production equipment management experience and equipment condition, make the plan, and carry out the overhaul according to the plan. According to the overhaul content, period and requirements of the different can...

Why is there abnormal noise in the bearing? Bearings are the main components of mechanical equipment, and the performance quality during operation will directly affect the normal operation of mechanical equipment. It is inevitable that abnormal conditions occur during bearing operation. Common...

Floating ball level switch of centrifugal pump Working principle When the floating ball is in a certain angle with the rise or fall of the liquid level under the action of liquid buoyancy, the driving mechanism in the floating ball drives the large capacity microswitch, so as to output the on or...

Impeller knowledge, how much do you know? The concept of the impeller: the impeller not only refers to the wheel disk equipped with moving blades, which is a component of the impulse steam turbine rotor, but also refers to the general name of the wheel disk and the rotating blades installed on...

What are the advantages and disadvantages of high-voltage motors compared with low-voltage motors? For AC motors, those with a rated voltage of 1000V and above are high-voltage motors; those with a rated voltage of less than 1000V are low-voltage motors (the limit in some materials is 1140V)....

What's wrong with the abnormal noise of the water pump bearing? Bearings are the main components of the water pump, and the performance quality during operation will directly affect the normal operation performance of the water pump. It is inevitable that abnormal conditions occur during...