Product Description

 

Product Description

Motor and Pump

Single-phase: 220V-240V/50Hz
Three-phase: 380V-415V/50Hz
Power range: 0.25kW~7.5kW (4″)
Equip with start control box and thermal protector.
Pumps are designed by casing stressed
According to NEMA dimension standard.
Curve tolerance according to ISO 9906
Speed :  2850 rpm
Insulation class :  F
Protection Grade :  IP68
Minimum well diameter :  4″
Maximum fluid temperature up to :  +50 ºC
Component  Picture

 

Performance Data

Performance Data

Model Power Rated Speed(Rpm)
KW HP
H4-033 0.25 0.33 2850
H4-055 0.37 0.5
H4-075 0.55 0.75
H4-085 0.63 0.85
H4-100 0.75 1
H4-125 0.92 1.25
H4-150 1.1 1.5
H4-180 1.3 1.8
H4-200 1.5 2
H4-250 1.8 2.5
H4-300 2.2 3
H4-350 2.6 3.5
H4-400 3 4
H4-500 3.7 5
H4-550 4 5.5
H4-630 4.7 6.3
H4-750 5.5 7.5
H4-1000 7.5 10

Flow of Pumps Suitable for 4-inch Motor

MODEL POWER DELIVERY                                                                                         n ≈2850 r/min
50HZ KW HP

Q  m3/h

     l/min

0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3
0 5 10 15 20 25 30 35 40 45 50 55
4SD2-6 0.25 0.33

H(m)/

outlet(inch)

1/4
1/2”

46 44 43 42 41 39 37 34 31 27 23 19
4SD2-8 0.37 0.5 60 58 57 56 54 52 50 46 42 36 30 25
4SD2-11 0.55 0.75 80 79 78 77 75 72 68 63 57 50 42 34
4SD2-14 0.63 0.85 102 101 100 98 95 92 87 80 73 64 53 43
4SD2-16 0.75 1 116 115 114 112 109 105 99 92 83 73 61 50
4SD2-19 0.92 1.25 138 137 135 133 129 124 118 109 99 86 72 59
4SD2-22 1.1 1.5 160 159 157 154 150 144 136 126 114 100 84 68
4SD2-25 1.3 1.8 182 180 178 175 170 164 155 144 130 114 95 77
4SD2-28 1.5 2 204 202 200 196 191 183 173 161 145 127 107 87
4SD2-33 1.8 2.5 240 238 235 231 225 216 204 189 171 150 126 102
4SD2-37 2.2 3 271 266 263 259 251 242 230 213 193 168 140 114
4SD2-42 2.6 3.5 306 301 298 294 284 273 263 243 221 191 158 129
4SD2-47 3 4 341 336 333 329 317 306 296 273 249 214 176 144
4SD2-52 3.7 5 378 371 368 364 349 338 328 303 277 242 194 159
4SD2-58 4 5.5 421 413 410 406 388 377 367 339 310 275 214.5 177
4SD2-64 4.7 6.3 465 455 452 448 427 416 406 375 343 308 236 195
4SD2-70 5.5 7.5 507 497 494 490 466 455 445 411 376 341 257 213

 

MODEL POWER DELIVERY                                                                                 n ≈2850 r/min
50HZ KW HP

Q  m3/h

     l/min

0 0.6 1.2 1.8 2.4 3 3.6 4.2 4.8
0 10 20 30 40 50 60 70 80
4SD3-5 0.25 0.33

H(m)/

outlet(inch)

1/4
1/2”

36 35 34 32 30 27 22 17 11
4SD3-7 0.37 0.5 51 49 47 45 42 37 31 23 15
4SD3-9 0.55 0.75 65 63 61 58 54 48 40 30 19
4SD3-11 0.63 0.85 80 77 74 71 66 59 49 37 23
4SD3-13 0.75 1 94 91 88 84 78 69 58 43 27
4SD3-15 1.9 1.25 108 105 102 97 90 80 67 50 32
4SD3-18 1.1 1.5 130 126 122 116 108 96 80 60 38
4SD3-20 1.3 1.8 145 140 135 129 120 107 89 67 42
4SD3-22 1.5 2 159 154 149 142 132 117 98 73 47
4SD3-26 1.8 2.5 188 182 176 168 156 139 116 87 55
4SD3-30 2.2 3 217 210 203 193 180 160 133 100 63
4SD3-35 2.6 3.5 253 245 237 225 210 186 155 116 74
4SD3-40 3 4 289 280 271 258 240 213 178 133 85
4SD3-45 3.7 5 325 315 305 290 270 240 200 150 95
4SD3-50 4 5.5 361 350 339 322 300 266 222 166 106
4SD3-56 4.7 6.3 405 392 379 361 336 298 249 186 118
4SD3-62 5.5 7.5 448 434 420 400 372 331 276 207 131

 

MODEL POWER DELIVERY                                                                                               n ≈2850 r/min
50HZ KW HP

 m3/h

     l/min

0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6
0 10 20 30 40 50 60 70 80 90 100
4SD4-5 0.37 0.5

H(m)/

outlet(inch)
1/4”

1/2

39 37 36 35 34 32 29 26 23 18 14
4SD4-7 0.55 0.75 54 52 51 49 48 45 41 37 32 26 19
4SD4-8 0.63 0.85 62 59 58 56 54 51 47 42 36 29 22
4SD4-9 0.75 1 70 67 65 63 61 57 53 48 41 33 25
4SD4-11 0.9 1.25 85 82 80 77 75 70 65 58 50 40 30
4SD4-13 1.1 1.5 101 97 94 91 88 83 76 69 59 48 36
4SD4-15 1.3 1.8 116 111 108 105 102 96 88 79 68 55 41
4SD4-17 1.5 2 131 126 123 120 116 109 100 90 77 62 46
4SD4-21 1.8 2.5 162 156 152 148 143 134 124 111 95 77 57
4SD4-24 2.2 3 186 178 174 169 163 153 141 127 109 88 66
4SD4-28 2.6 3.5 217 208 203 197 190 179 165 148 127 103 77
4SD4-32 3 4 247 238 231 225 218 204 188 170 145 117 87
4SD4-36 3.7 5 278 268 260 253 245 230 212 191 163 132 98
4SD4-40 4 5.5 309 297 289 281 272 255 235 212 181 147 109
4SD4-45 4.7 6.3 348 335 326 317 306 287 265 239 204 165 123
4SD4-50 5.5 7.5 387 372 362 352 340 319 294 265 227 183 137
4SD4-55 6.3 8.5 425 409 398 387 374 351 324 291 249 202 150
4SD4-60 7.5 10 464 446 434 422 408 383 353 318 272 220 164

 

MODEL POWER DELIVERY                                                                                n ≈2850 r/min
50HZ KW HP

Q  m3/h

     l/min

0 1.2 2.4 3.6 4.8 6.0 7.2 8.4
0 20 40 60 80 100 120 140
4SD6-5 0.37 0.5

H(m)/

outlet(inch)
11/2

2”

32 31 29 27 25 21 16 11
4SD6-7 0.55 0.75 45 44 41 38 35 30 23 15
4SD6-8 0.63 0.85 52 50 47 43 40 34 26 17
4SD6-9 0.75 1 58 57 53 49 45 38 30 19
4SD6-10 0.9 1.25 64 63 58 54 50 42 33 21
4SD6-12 1.1 1.5 77 75 70 65 60 51 39 25
4SD6-13 1.3 1.8 84 82 76 70 65 55 43 27
4SD6-15 1.5 2 97 94 88 81 75 64 49 32
4SD6-18 1.8 2.5 116 113 105 98 90 76 59 38
4SD6-21 2.2 3 135 132 123 114 105 89 69 44
4SD6-23 2.6 3.5 149 145 134 125 115 97 75 49
4SD6-28 3 4 180 176 164 152 139 119 92 59
4SD6-32 3.7 5 206 201 187 174 159 136 105 68
4SD6-36 4 5.5 232 226 210 195 179 153 118 76
4SD6-40 4.7 6.3 258 252 234 217 199 170 132 85
4SD6-44 5.5 7.5 283 277 257 239 219 187 145 93
4SD6-48 6.3 8.5 309 302 281 260 239 204 158 102
4SD6-52 7.5 10 335 327 304 282 259 221 171 110

 

MODEL POWER DELIVERY                                                                                          n ≈2850 r/min
50HZ KW HP

 m3/h

      l/min

0 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8
0 20 40 60 80 100 120 140 160 180
4SD8-5 0.55 0.75

H(m)/

outlet(inch)

2”

33 30 28 26 25 24 21 18 14 9
4SD8-6 0.63 0.85 38 37 34 32 30 28 26 22 17 11
4SD8-7 0.75 1 44 43 40 37 35 33 30 26 20 13
4SD8-8 0.9 1.25 50 49 46 42 40 38 34 29 23 15
4SD8-9 1.1 1.5 56 55 51 48 45 42 39 33 26 17
4SD8-10 1.3 1.8 63 61 57 53 50 47 43 37 28 18
4SD8-12 1.5 2 75 73 68 63 60 57 51 44 34 22
4SD8-15 1.8 2.5 94 92 85 79 75 71 64 55 43 28
4SD8-18 2.2 3 113 110 103 95 90 85 77 66 51 33
4SD8-21 2.6 3.5 131 110 103 95 90 85 77 66 51 33
4SD8-24 3 4 150 147 137 127 120 113 103 88 68 44
4SD8-27 3.7 5 169 165 154 143 135 127 116 99 77 50
4SD8-30 4 5.5 188 183 171 158 150 142 128 110 85 55
4SD8-34 4.7 6.3 213 208 194 180 170 160 146 124 97 63
4SD8-38 5.5 7.5 238 232 216 201 190 179 163 139 108 70
4SD8-42 6.3 8.5 263 257 239 222 210 198 180 153 120 78
4SD8-46 7.5 10 288 281 262 243 230 217 197 168 131 85

 

MODEL POWER DELIVERY                                                                                         n ≈2850 r/min
50HZ KW HP

m3/h

   l/min

0 1.8 3.6 5.4 7.2 9.0 10.8 12.6 14.4
0 30 60 90 120 150 180 210 240
4SD10-4 0.63 0.85

H(m)/

outlet(inch)

2”

25 24 23 21 20 18 14 10 6
4SD10-5 0.75 1 31 30 28 27 25 22 18 13 7
4SD10-6 0.9 1.25 37 36 34 32 30 26 22 16 9
4SD10-7 1.1 1.5 43 42 40 37 35 31 25 18 10
4SD10-8 1.3 1.8 49 48 45 43 40 35 29 21 12
4SD10-10 1.5 2 62 59 56 54 50 44 36 26 14
4SD10-12 1.8 2.5 74 71 68 64 60 53 43 31 17
4SD10-14 2.2 3 86 83 79 75 70 62 51 36 20
4SD10-16 2.6 3.5 99 95 90 86 80 71 58 41 23
4SD10-18 3 4 111 107 102 96 90 79 65 47 26
4SD10-20 3.7 5 124 119 113 107 100 88 72 52 29
4SD10-22 4 5.5 136 131 124 118 110 97 80 57 32
4SD10-25 4.7 6.3 154 149 141 134 125 110 90 65 36
4SD10-28 5.5 7.5 173 166 158 150 140 124 101 72 40
4SD10-31 6.3 8.5 191 184 175 166 155 137 112 80 45
4SD10-34 7.5 10 210 202 192 182 170 150 123 88 49

 

MODEL POWER DELIVERY                                                                                             n ≈2850 r/min
50HZ KW HP

Q  m3/h

     l/min

0 1.8 3.6 5.4 7.2 9.0 10.8 12.6 14.4 16.2
0 30 60 90 120 150 180 210 240 270
4SD12-4 0.9 1.25

H(m)/

outlet(inch)

2”

26 24 23 22 20 18 16 13 10 6
4SD12-5 1.1 1.5 32 31 29 27 25 22 20 16 12 7
4SD12-6 1.3 1.8 38 37 34 32 30 27 24 20 15 9
4SD12-7 1.5 2 45 43 40 38 35 31 28 23 17 10
4SD12-10 1.8 2.5 63 61 58 53 50 44 39 32 24 15
4SD12-12 2.2 3 76 73 69 64 60 53 47 39 29 18
4SD12-14 2.6 3.5 89 85 80 75 70 62 55 46 34 21
4SD12-16 3 4 102 98 92 86 79 71 63 52 39 24
4SD12-18 3.7 5 114 110 103 96 89 80 71 63 52 39
4SD12-20 4 5.5 127 122 115 107 99 89 79 65 49 30
4SD12-22 4.7 6.3 153 146 138 129 119 106 94 78 58 35
4SD12-25 5.5 7.5 160 153 143 135 124 112 98 82 62 36
4SD12-28 6.3 8.5 179 171 160 151 139 125 110 92 69 41
4SD12-31 7.5 10 197 189 178 166 154 137 122 101 75 46

 

MODEL POWER DELIVERY                                                                                 n ≈2850 r/min
50HZ KW HP

m3/h

    l/min

0 3 6 9 12 15 18 21
0 50 100 150 200 250 300 350
4SD16-4 1.1 1.5

H(m)/

outlet(inch)

2”

24 23 22 20 18 15 12 9
4SD16-5 1.3 1.8 30 29 28 25 22 19 15 11
4SD16-6 1.5 2 36 35 33 30 26 22 18 13
4SD16-8 1.8 2.5 47 46 44 40 35 30 24 17
4SD16-9 2.2 3 53 52 50 45 40 33 27 19
4SD16-11 2.6 3.5 65 64 61 55 48 41 33 24
4SD16-12 3 4 71 70 66 60 53 45 36 26
4SD16-14 3.7 5 83 81 77 70 62 52 42 30
4SD16-16 4 5.5 95 93 88 80 70 60 48 35
4SD16-18 4.7 6.3 107 104 99 90 79 67 54 39
4SD16-20 5.5 7.5 118 116 110 100 88 74 60 43
4SD16-23 6.3 8.5 136 133 127 115 101 86 69 50
4SD16-25 7.5 10 148 145 138 125 110 93 75 54

 

 

Prodution Corner

 

Production of this serie

Packaging & Shipping

Optional package

Transport Line

Company Profile

  Introduction

CHINAMFG has been operating in the water pump industry for years. It is a company that is committed to study, develop, manufacture and integrate  and industrialize the superior of various manufacturers.  
We offer to customers a big and specific range of submersible pumps for a large variety of uses: domestic and civil applications for deep water level, agricultural irrigation for big flow and heavy sand demand, industrial fields for chemical rast request, waste water and sewage applications driven by AC electricity and DC solar energy. We are 1 of earliest and most professional in building solar pumping systems and household solar system for customers. 

We devote to provide people the best quality and the best cost-effective water pumps and water solutions. We have professional engineering and strict QC team. We have rich experiences in different markets and professional knowleges of pumps and environment. All these gurantees our promises with our customers.
Our company has the purpose to contribute to the transformation from “Made in China” to ” Intelligence of China”. To satisfy the needs of customers who choose us and trust us, we have been and will be keeping on improving.

 
 

   Certificates
 

Exhibition
 

 Workshop Corner

 

FAQ

FAQ

1. Q: What is your warranty?

A: 12-18 months’ warrantv, depending on product and market

2. Q: What is your MOQ?
A: Sample order is acceptable.

3.Q: What’s your payment terms?
A: T/T, L/C, D/P…

4.Q: What’s the delivery time?
A: 10-30 days after receiving deposit payment.

5.Q: Can you do OEM brand?
A: Yes, we welcome OEM order.

6.Q:Can you accept customized products?
A: Yes, we accept special requirement.

7.Q:How about your service?
A: We have pre-sale service, in-sale service and after-sale service, Our slogan is steady quality and continuous service.

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Application: Industrial
Speed: 2850 R/Min
Number of Stator: 1~/3~
Function: Driving
Starting Mode: Direct on-line Starting
Suitable Well Size: 4 Inches
Customization:
Available

|

induction motor

How do variable frequency drives (VFDs) impact the performance of AC motors?

Variable frequency drives (VFDs) have a significant impact on the performance of AC motors. A VFD, also known as a variable speed drive or adjustable frequency drive, is an electronic device that controls the speed and torque of an AC motor by varying the frequency and voltage of the power supplied to the motor. Let’s explore how VFDs impact AC motor performance:

  • Speed Control: One of the primary benefits of using VFDs is the ability to control the speed of AC motors. By adjusting the frequency and voltage supplied to the motor, VFDs enable precise speed control over a wide range. This speed control capability allows for more efficient operation of the motor, as it can be operated at the optimal speed for the specific application. It also enables variable speed operation, where the motor speed can be adjusted based on the load requirements, resulting in energy savings and enhanced process control.
  • Energy Efficiency: VFDs contribute to improved energy efficiency of AC motors. By controlling the motor speed based on the load demand, VFDs eliminate the energy wastage that occurs when motors run at full speed even when the load is light. The ability to match the motor speed to the required load reduces energy consumption and results in significant energy savings. In applications where the load varies widely, such as HVAC systems, pumps, and fans, VFDs can provide substantial energy efficiency improvements.
  • Soft Start and Stop: VFDs offer soft start and stop capabilities for AC motors. Instead of abruptly starting or stopping the motor, which can cause mechanical stress and electrical disturbances, VFDs gradually ramp up or down the motor speed. This soft start and stop feature reduces mechanical wear and tear, extends the motor’s lifespan, and minimizes voltage dips or spikes in the electrical system. It also eliminates the need for additional mechanical devices, such as motor starters or brakes, improving overall system reliability and performance.
  • Precision Control and Process Optimization: VFDs enable precise control over AC motor performance, allowing for optimized process control in various applications. The ability to adjust motor speed and torque with high accuracy enables fine-tuning of system parameters, such as flow rates, pressure, or temperature. This precision control enhances overall system performance, improves product quality, and can result in energy savings by eliminating inefficiencies or overcompensation.
  • Motor Protection and Diagnostic Capabilities: VFDs provide advanced motor protection features and diagnostic capabilities. They can monitor motor operating conditions, such as temperature, current, and voltage, and detect abnormalities or faults in real-time. VFDs can then respond by adjusting motor parameters, issuing alerts, or triggering shutdowns to protect the motor from damage. These protection and diagnostic features help prevent motor failures, reduce downtime, and enable predictive maintenance, resulting in improved motor reliability and performance.
  • Harmonics and Power Quality: VFDs can introduce harmonics into the electrical system due to the switching nature of their operation. Harmonics are undesirable voltage and current distortions that can impact power quality and cause issues in the electrical distribution network. However, modern VFDs often include built-in harmonic mitigation measures, such as line reactors or harmonic filters, to minimize harmonics and ensure compliance with power quality standards.

In summary, VFDs have a profound impact on the performance of AC motors. They enable speed control, enhance energy efficiency, provide soft start and stop capabilities, enable precision control and process optimization, offer motor protection and diagnostic features, and address power quality considerations. The use of VFDs in AC motor applications can lead to improved system performance, energy savings, increased reliability, and enhanced control over various industrial and commercial processes.

induction motor

How do AC motors contribute to the functioning of household appliances?

AC motors play a crucial role in the functioning of numerous household appliances by converting electrical energy into mechanical energy. These motors are used in a wide range of devices, powering various components and performing essential tasks. Let’s explore how AC motors contribute to the functioning of household appliances:

  • Kitchen Appliances: AC motors are found in various kitchen appliances, such as refrigerators, freezers, dishwashers, and blenders. In refrigerators and freezers, AC motors drive the compressor, which circulates the refrigerant and maintains the desired temperature. Dishwashers use AC motors to power the water pumps, spray arms, and the motorized detergent dispenser. Blenders utilize AC motors to rotate the blades and blend ingredients.
  • Laundry Appliances: AC motors are integral to laundry appliances like washing machines and clothes dryers. Washing machines rely on AC motors to power the agitator or the drum, facilitating the washing and spinning cycles. Clothes dryers use AC motors to rotate the drum and operate the blower fan, facilitating the drying process.
  • Vacuum Cleaners: Vacuum cleaners utilize AC motors to generate suction and drive the motorized brush or beater bar. These motors power the fan or impeller, creating the necessary airflow for effective cleaning.
  • Fans and Air Circulation: AC motors are employed in various types of fans, including ceiling fans, table fans, and pedestal fans. These motors drive the fan blades, producing airflow and facilitating air circulation to provide cooling or ventilation in rooms. Additionally, AC motors power exhaust fans used in kitchens, bathrooms, and range hoods to remove odors, smoke, or excess moisture.
  • Air Conditioning and Heating Systems: AC motors are critical components in air conditioning and heating systems. They power the compressor, condenser fan, and blower fan, which are responsible for circulating refrigerant, dissipating heat, and delivering conditioned air throughout the house. AC motors enable the regulation of temperature and humidity levels, ensuring comfort in residential spaces.
  • Garage Door Openers: AC motors are utilized in garage door openers to drive the mechanism responsible for opening and closing the garage door. These motors generate the necessary torque to lift or lower the door smoothly and efficiently.
  • Other Appliances: AC motors are also found in a variety of other household appliances. For instance, they power pumps in water heaters, swimming pool filters, and sump pumps. AC motors are used in dehumidifiers, humidifiers, and air purifiers to drive the fans and other internal components. They are also present in audiovisual equipment, such as DVD players, record players, and fans used for cooling electronics.

In summary, AC motors are essential components in household appliances, enabling their proper functioning and delivering the mechanical energy required for various tasks. From kitchen appliances to laundry machines, fans, air conditioning systems, and more, AC motors provide the necessary power and functionality to enhance our daily lives.

induction motor

What are the key advantages of using AC motors in industrial applications?

AC motors offer several key advantages that make them highly suitable for industrial applications. Here are some of the main advantages:

  1. Simple and Robust Design: AC motors, particularly induction motors, have a simple and robust design, making them reliable and easy to maintain. They consist of fewer moving parts compared to other types of motors, which reduces the likelihood of mechanical failure and the need for frequent maintenance.
  2. Wide Range of Power Ratings: AC motors are available in a wide range of power ratings, from small fractional horsepower motors to large industrial motors with several megawatts of power. This versatility allows for their application in various industrial processes and machinery, catering to different power requirements.
  3. High Efficiency: AC motors, especially modern designs, offer high levels of efficiency. They convert electrical energy into mechanical energy with minimal energy loss, resulting in cost savings and reduced environmental impact. High efficiency also means less heat generation, contributing to the longevity and reliability of the motor.
  4. Cost-Effectiveness: AC motors are generally cost-effective compared to other types of motors. Their simple construction and widespread use contribute to economies of scale, making them more affordable for industrial applications. Additionally, AC motors often have lower installation and maintenance costs due to their robust design and ease of operation.
  5. Flexible Speed Control: AC motors, particularly induction motors, offer various methods for speed control, allowing for precise adjustment of motor speed to meet specific industrial requirements. Speed control mechanisms such as variable frequency drives (VFDs) enable enhanced process control, energy savings, and improved productivity.
  6. Compatibility with AC Power Grid: AC motors are compatible with the standard AC power grid, which is widely available in industrial settings. This compatibility simplifies the motor installation process and eliminates the need for additional power conversion equipment, reducing complexity and cost.
  7. Adaptability to Various Environments: AC motors are designed to operate reliably in a wide range of environments. They can withstand variations in temperature, humidity, and dust levels commonly encountered in industrial settings. Additionally, AC motors can be equipped with protective enclosures to provide additional resistance to harsh conditions.

These advantages make AC motors a popular choice for industrial applications across various industries. Their simplicity, reliability, cost-effectiveness, energy efficiency, and speed control capabilities contribute to improved productivity, reduced operational costs, and enhanced process control in industrial settings.

China Best Sales 4inch Oil Filled Submersible Pump AC Motor   vacuum pump engine	China Best Sales 4inch Oil Filled Submersible Pump AC Motor   vacuum pump engine
editor by CX 2024-05-08