China Professional Two-Phase AC Asynchronous Squirrel-Cage Induction Electric Motor for Water Pump vacuum pump adapter

Product Description

Product Description

eatures and Applications
Series VHS vertical hollow-shaft motors, the latest product of our factory, are 3 phase squirrel cage induction motors specially for driving vertical deep-vell turbine pumps.
The motors are of high efficiency, high starting torque, quiet-running, low vibration, low temperature rise, can sustain heavy axial thrust load, have compact and reliable structure with easy maintenance etc. The rated output grades conform to the IEC standard.
After being fitted with vertical pumps, the motors are widely in pumping underground water in mines, city, farm and factories etc.The degree of protection is weather-protected type1(drip-proof).
When marking an enquiry or ordering a motor, please give the following information:
Horsrpower or kW output        
-Speed              -Voltage
-Frequency          -Insulation class
-Ambient temperature
-Non-reverse backstop, if required
-Method of starting
-Unless specified otherwise at the time of ordering, the downthrust load of the motor would be of standard.
Motors of Special Purpose
We also provide VHS motors of different applications, namely with rated voltage below 600v, frequency of 60Hz, class of insulation either B or F etc.
We can also supply other supply other special purpose motors, if required please contact us directly.
We are willing to serve you with pleasure.

We are willing to serve you with pleasure.


Model Rated
Down Thrust
Degree of
(N) (Ib)
VHS160-1-2 15/11 22.5/22 380 50 3000 9800 2200 B,F IP23
VHS160-2-2 20/15 30
VHS160-1-4 15/11 23/22.5 1500 12740 2860
VHS160-2-4 20/15 30
VHS180-1-2 25/18.5 36 380 50 3000 12740 2860 B,F IP23
VHS180-2-2 30/22 43/42.5
VHS180-1-4 25/18.5 37 1500 15680 3520
VHS180-2-4 30/22 43.5/43
VHS200-1-2 40/30 58 380 50 3000 16660 3740 B,F IP23
VHS200-2-2 50/37 70.5/70
VHS200-1-4 40/30 58.5 1500 21560 4850
VHS200-2-4 50/37 72/71
VHS200-3-4 60/45 85/85.5
VHS250-1-4 75/55 105.5/103.5 380 50 1500 28420 6390 B,F IP23
VHS250-2-4 100/75 139.5/140
VHS250-3-4 125/90 173/167.5
VHS280-1-4 150/110 205.5/202 380 50 1500 39200 8810 B,F IP23
VHS280-2-4 175/132 238/241
VHS280-3-4 200/150 275/276
VHS280-4-4 250/185 348/345
VHS280-5-4 270/200 374/371
VHS280-6-4 300/220 415/408
VHS355-1-4 380/280 500 380 50 1500 63560 14000 F IP23
VHS355-2-4 400/300 526/536
VHS355-3-4 430/315 565/563 1 0571 0 24000
VHS355-4-4 450/335 591/598
VHS355-5-4 480/355 630/634
VHS355-6-4 500/370 657/661
VHS132-1-2 7.5/5.5 11/0.8 380 50 3000 7840 1760 F IP54
VHS132-2-2 10/7.5 14.4/14.5
VHS180-1-2 15/11 22.5./22 380 50 3000 9800 2200 F IP54
VHS180-2-2 20/15 30
VHS180-1-4 15/11 23/22.5 1500 12740 2860
VHS180-2-4 20/15 30
VHS200-1-2 25/18.5 36 380 50 3000 12740 2860 F IP54
VHS200-2-2 30/22 43/42.5
VHS200-1-4 25/18.5 37 1500 15680 3520
VHS200-2-4 30/22 43.5/43
VHS225-1-2 40/30 56.8/58 380 50 3000 16660 3740 F IP54
VHS225-2-2 50/37 70.5/70
VHS225-3-2 60/45 83/85
VHS225-1-4 40/30 58/58.5 1500 21560 4850
VHS225-2-4 50/37 72/71
VHS225-3-4 60/45 85/85.5
VHS280-1-4 75/55 105.5/103.5 380 50 1500 28420 6390 F IP54
VHS280-2-4 100/75 139.5/140
VHS280-3-4 125/90 173/167.5
VHS315-1-4 150/110 205.5/202 380 50 1500 39200 8810 F IP54
VHS315-2-4 175/132 238/241
VHS315-3-4 200/150 275/276
VHS315-4-4 250/185 348/345 62720 14094
VHS315-5-4 270/200 374/371
VHS355-1-4 300/220 405.9/405 380 50 1500 74620 16770 F IP54
VHS355-2-4 350/260 480/475
VHS355-3-4 380/280 513.6/515
VHS355-4-4 400/300 539.2/550
VHS355-5-4 430/315 576.9/575
VHS355-6-4 450/335 614/615
VHS355-7-4 480/355 645.9/650
VHS355-8-4 500/375 671.3/685


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Application: Industrial
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Ylb Series Three-Phase
Rotor Structure: Squirrel-Cage
Casing Protection: Closed Type


electric motor

What maintenance practices are essential for prolonging the lifespan of an electric motor?

Maintaining electric motors is crucial for prolonging their lifespan and ensuring optimal performance. Proper maintenance practices help prevent failures, minimize downtime, and maximize the efficiency and reliability of electric motors. Here’s a detailed explanation of essential maintenance practices for prolonging the lifespan of an electric motor:

  1. Regular Inspections: Conduct regular visual inspections of the motor to identify any signs of wear, damage, or loose connections. Inspect the motor’s external components, such as the housing, bearings, cooling fans, and cables. Look for any unusual noise, vibration, or overheating during operation, as these can indicate potential issues that require attention.
  2. Lubrication: Proper lubrication is vital for the smooth operation and longevity of electric motors. Follow the manufacturer’s guidelines for lubrication intervals and use the recommended lubricants. Apply lubrication to bearings, shafts, and other moving parts as specified. Over-lubrication or using incompatible lubricants can cause overheating and premature wear, so it’s essential to follow the recommended practices.
  3. Cleaning: Keep the motor clean and free from dirt, dust, and debris that can accumulate over time. Regularly clean the motor’s exterior using a soft brush or compressed air. Ensure that cooling vents and fans are clear of any obstructions to maintain proper airflow and prevent overheating. Cleanliness helps prevent insulation damage and improves heat dissipation.
  4. Alignment and Balance: Misalignment or imbalance in the motor’s shaft and coupling can lead to excessive vibrations and premature wear. Regularly check and correct any misalignment or imbalance issues using precision alignment tools. Proper alignment and balance reduce stress on bearings and extend their lifespan, contributing to the overall longevity of the motor.
  5. Temperature Monitoring: Monitor the motor’s temperature during operation using temperature sensors or thermal imaging techniques. Excessive heat can damage insulation, bearings, and other components. If the motor consistently operates at high temperatures, investigate the cause and take corrective actions, such as improving ventilation, reducing loads, or addressing any cooling system issues.
  6. Electrical Connections: Inspect and tighten electrical connections regularly to ensure secure and reliable connections. Loose or corroded connections can lead to voltage drops, increased resistance, and overheating. Check terminal blocks, wiring, and motor leads for any signs of damage or degradation. Properly torquing electrical connections and addressing any issues promptly helps maintain electrical integrity.
  7. Vibration Analysis: Perform regular vibration analysis to detect any abnormal vibration patterns that could indicate underlying issues. Vibration analysis tools and techniques can help identify unbalanced rotors, misalignment, bearing wear, or other mechanical problems. Addressing vibration issues early can prevent further damage and improve motor performance and longevity.
  8. Periodic Testing and Maintenance: Conduct periodic testing and maintenance based on the manufacturer’s recommendations and industry best practices. This may include insulation resistance testing, winding resistance testing, bearing lubrication checks, and other diagnostic tests. Such tests help identify potential problems before they escalate and allow for timely maintenance and repairs.
  9. Training and Documentation: Ensure that maintenance personnel are properly trained in electric motor maintenance practices. Provide training on inspection techniques, lubrication procedures, alignment methods, and other essential maintenance tasks. Maintain comprehensive documentation of maintenance activities, including inspection reports, maintenance schedules, and repair records.

By implementing these maintenance practices, motor owners can significantly prolong the lifespan of electric motors. Regular inspections, proper lubrication, cleaning, alignment, temperature monitoring, electrical connection maintenance, vibration analysis, periodic testing, and training contribute to the motor’s reliability, efficiency, and overall longevity.

electric motor

How do electric motors contribute to the precision of tasks like robotics?

Electric motors play a critical role in enabling the precision of tasks in robotics. Their unique characteristics and capabilities make them well-suited for precise and controlled movements required in robotic applications. Here’s a detailed explanation of how electric motors contribute to the precision of tasks in robotics:

  1. Precise Positioning: Electric motors offer precise positioning capabilities, allowing robots to move with accuracy and repeatability. By controlling the motor’s speed, direction, and rotation, robots can achieve precise position control, enabling them to perform tasks with high levels of accuracy. This is particularly important in applications that require precise manipulation, such as assembly tasks, pick-and-place operations, and surgical procedures.
  2. Speed Control: Electric motors provide precise speed control, allowing robots to perform tasks at varying speeds depending on the requirements. By adjusting the motor’s speed, robots can achieve smooth and controlled movements, which is crucial for tasks that involve delicate handling or interactions with objects or humans. The ability to control motor speed precisely enhances the overall precision and safety of robotic operations.
  3. Torque Control: Electric motors offer precise torque control, which is essential for tasks that require forceful or delicate interactions. Torque control allows robots to exert the appropriate amount of force or torque, enabling them to handle objects, perform assembly tasks, or execute movements with the required precision. By modulating the motor’s torque output, robots can delicately manipulate objects without causing damage or apply sufficient force for tasks that demand strength.
  4. Feedback Control Systems: Electric motors in robotics are often integrated with feedback control systems to enhance precision. These systems utilize sensors, such as encoders or resolvers, to provide real-time feedback on the motor’s position, speed, and torque. The feedback information is used to continuously adjust and fine-tune the motor’s performance, compensating for any errors or deviations and ensuring precise movements. The closed-loop nature of feedback control systems allows robots to maintain accuracy and adapt to dynamic environments or changing task requirements.
  5. Dynamic Response: Electric motors exhibit excellent dynamic response characteristics, enabling quick and precise adjustments to changes in command signals. This responsiveness is particularly advantageous in robotics, where rapid and accurate movements are often required. Electric motors can swiftly accelerate, decelerate, and change direction, allowing robots to perform intricate tasks with precision and efficiency.
  6. Compact and Lightweight: Electric motors are available in compact and lightweight designs, making them suitable for integration into various robotic systems. Their small size and high power-to-weight ratio allow for efficient utilization of space and minimal impact on the overall weight and size of the robot. This compactness and lightness contribute to the overall precision and maneuverability of robotic platforms.

Electric motors, with their precise positioning, speed control, torque control, feedback control systems, dynamic response, and compactness, significantly contribute to the precision of tasks in robotics. These motors enable robots to execute precise movements, manipulate objects with accuracy, and perform tasks that require high levels of precision. The integration of electric motors with advanced control algorithms and sensory feedback systems empowers robots to adapt to various environments, interact safely with humans, and achieve precise and controlled outcomes in a wide range of robotic applications.

electric motor

What is an electric motor and how does it function?

An electric motor is a device that converts electrical energy into mechanical energy. It is a common type of motor used in various applications, ranging from household appliances to industrial machinery. Electric motors operate based on the principle of electromagnetism and utilize the interaction between magnetic fields and electric current to generate rotational motion. Here’s a detailed explanation of how an electric motor functions:

  1. Basic Components: An electric motor consists of several key components. These include a stationary part called the stator, which typically contains one or more coils of wire wrapped around a core, and a rotating part called the rotor, which is connected to an output shaft. The stator and the rotor are often made of magnetic materials.
  2. Electromagnetic Fields: The stator is supplied with an electric current, which creates a magnetic field around the coils. This magnetic field is typically generated by the flow of direct current (DC) or alternating current (AC) through the coils. The rotor, on the other hand, may have permanent magnets or electromagnets that produce their own magnetic fields.
  3. Magnetic Interactions: When an electric current flows through the coils in the stator, it generates a magnetic field. The interaction between the magnetic fields of the stator and the rotor causes a rotational force or torque to be exerted on the rotor. The direction of the current and the arrangement of the magnetic fields determine the direction of the rotational motion.
  4. Electromagnetic Induction: In some types of electric motors, such as induction motors, electromagnetic induction plays a significant role. When alternating current is supplied to the stator, it creates a changing magnetic field that induces voltage in the rotor. This induced voltage generates a current in the rotor, which in turn produces a magnetic field that interacts with the stator’s magnetic field, resulting in rotation.
  5. Commutation: In motors that use direct current (DC), such as brushed DC motors, an additional component called a commutator is employed. The commutator helps to reverse the direction of the current in the rotor’s electromagnets as the rotor rotates. By periodically reversing the current, the commutator ensures that the magnetic fields of the rotor and the stator are always properly aligned, resulting in continuous rotation.
  6. Output Shaft: The rotational motion generated by the interaction of the magnetic fields is transferred to the output shaft of the motor. The output shaft is connected to the load, such as a fan blade or a conveyor belt, allowing the mechanical energy produced by the motor to be utilized for various applications.

In summary, an electric motor converts electrical energy into mechanical energy through the interaction of magnetic fields and electric current. By supplying an electric current to the stator, a magnetic field is created, which interacts with the magnetic field of the rotor, causing rotational motion. The type of motor and the arrangement of its components determine the specific operation and characteristics of the motor. Electric motors are widely used in numerous devices and systems, providing efficient and reliable mechanical power for a wide range of applications.

China Professional Two-Phase AC Asynchronous Squirrel-Cage Induction Electric Motor for Water Pump   vacuum pump adapter	China Professional Two-Phase AC Asynchronous Squirrel-Cage Induction Electric Motor for Water Pump   vacuum pump adapter
editor by CX 2024-04-30