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The IS horizontal single-stage centrifugal pump is a highly efficient and reliable clean water pump, widely used in factories, mines, municipal water supply, drainage, and agricultural irrigation. It features simple structure, large flow capacity, medium head, and easy maintenance, making it suitable for transferring clean water or liquids with similar physical and chemical properties.
Single-stage single-suction design: The IS type centrifugal pump adopts a single-stage single-suction structure, with a compact pump body and easy installation, suitable for medium and low flow and low pressure water pump systems.
High efficiency: The pump improves the working efficiency of the water pump and reduces energy consumption by optimizing the hydraulic model.
Corrosion resistance: The pump body and impeller are made of high-quality cast iron, which has strong corrosion resistance and is suitable for conveying clean water and some slightly corrosive liquids.
Strong durability: The use of advanced mechanical seals and high-quality materials reduces wear and extends service life.
Easy operation: The pump has a simple structural design, simple operation and maintenance, and is easy to install.
Energy saving: Due to the reasonable design of the pump body, it can provide a higher water flow at a lower operating cost, and the energy saving effect is significant.
Water treatment industry: used for water transportation in urban water plants and sewage treatment plants.
Agricultural irrigation: widely used in agricultural irrigation systems, suitable for irrigation, drainage, etc.
Industrial production: suitable for water cooling, water supply and other needs in chemical plants, paper mills, food processing plants and other industries.
Building water supply: used for pressurized water supply in building water supply systems.
Fire protection system: as the main water pump equipment in the fire protection system, it provides water pressure support.
Thermal system: used for heating, air conditioning and hot water circulation systems in industry and buildings.
The working principle of IS type single-stage single-suction centrifugal pump is based on the generation of centrifugal force. The pump impeller rotates at high speed under the drive of the motor, sucking the liquid into the impeller in the center of the pump body. The liquid is accelerated by the impeller and discharged by centrifugal force, forming a high-pressure fluid, which enters the discharge pipe after being guided by the guide vanes of the pump casing. Since there is only one water inlet at the suction end of the pump (single suction), its water absorption performance is more stable.
Pre-start inspection:
Check whether the connection between the motor and the pump body is firm.
Make sure there is enough water in the pump body to avoid dry operation.
Check whether the electrical control system is normal and confirm that the wiring is correct.
Starting process:
After starting the motor, check the running direction of the pump to ensure that it is consistent with the working direction of the pump.
Check whether the flow, head and current of the pump are within the normal range.
Operation process:
Keep the pump running within the rated operating range to avoid overload operation.
Check the bearing temperature and motor current regularly to ensure the normal operation of the equipment.
Stop operation:
Before stopping operation, the water outlet valve should be closed first, and then the motor should be turned off to avoid cavitation of the pump body.
After completing the stop operation, check whether there is water accumulation inside the pump body, especially in low temperature environment, to avoid freezing and cracking.
Prevent dry operation: During use, the suction port of the pump must be kept completely filled with liquid to avoid dry operation. Dry operation will cause the pump body to overheat, and in severe cases, the pump body and sealing device may be damaged.
Prevent blockage: The suction end and discharge port of the pump should be cleaned regularly to avoid blockage by debris, which will affect the flow rate and normal operation of the pump.
Maintain stable pressure: Avoid running the pump at ultra-high pressure for a long time, otherwise it may cause overload and damage to the pump.
Anti-freezing measures: When used in cold areas, care should be taken to prevent water from accumulating in the pump body to prevent ice from causing damage to the pump body.
Regular inspection and maintenance: Regularly inspect and clean the pump body, especially maintain the impeller, sealing device and other easily worn parts to ensure long-term stable operation of the equipment.
Ⅵ.IS Single-stage Single-suction Centrifugal Pump Technical Parameters
| Flow rate | 5-1200 m ³/h |
| Head | 5-125 m |
| Power | 1.1~200 kW |
| Caliber | 25~300 mm |
| Working temperature | ≤ 80 ° C |
| Working pressure | ≤ 1.6 MPa |
| Speed | 2900 rpm |
| Inhalation height | <6m |
| Pump body material | cast iron, copper, aluminum alloy (optional) |
| Motor voltage | 380V, 50Hz |
| Motor type | three-phase asynchronous motor |
| Pump shaft seal | mechanical seal |
| Structure of the pump | single-stage single suction |
| Applicable media | liquid clear water, industrial water, slightly corrosive liquids |
Ⅶ.IS Type Single-stage Single Suction Centrifugal Pump Specification Parameters：
| Model | Flow rate (m ³/h) | Head (m) | Power (kW) | Pump diameter (mm) | Speed (rpm) | Motor power (kW) | Efficiency (%) | Suction height (m) |
| IS50-32-125 | 5~50 | 10~50 | 1.1~3.0 | 32 | 2900 | 1.1 | ≥60 | ≤6 |
| IS80-50-200 | 10~100 | 20~60 | 3.0~7.5 | 50 | 2900 | 3.0 | ≥65 | ≤6 |
| IS100-65-250 | 20~150 | 20~80 | 5.5~15 | 65 | 2900 | 7.5 | ≥70 | ≤6 |
| IS150-100-300 | 50~300 | 30~100 | 15~45 | 100 | 2900 | 15 | ≥75 | ≤6 |
| IS200-150-350 | 100~500 | 50~125 | 30~75 | 150 | 2900 | 30 | ≥80 | ≤6 |
| IS250-200-400 | 200~800 | 60~125 | 75~160 | 200 | 2900 | 75 | ≥80 | ≤6 |
The above content provides users with comprehensive information on the IS type single-stage single suction centrifugal pump, ensuring that customers can understand its structural characteristics, usage requirements, and maintenance precautions, thereby effectively extending the service life of the pump and improving work efficiency. The above data and product information are for reference only. For detailed product information and parameters, please contact Shanghai Jiushi Pump Industry customer service. We will send you the detailed product information as soon as possible.
| No. | Common Problem | Possible Cause | Solution |
| 1 | Pump does not start | Power not connected or voltage too low | Check power supply and voltage |
| 2 | Motor runs but no water output | Air in pipeline or pump not primed | Prime pump, remove air, check suction line |
| 3 | Insufficient water flow | Impeller worn or pipeline blocked | Replace impeller, clean pipeline |
| 4 | Low discharge pressure | Low speed or head too high | Check motor speed, select proper pump |
| 5 | Excessive vibration | Improper installation or rotor imbalance | Reinforce installation, balance rotor |
| 6 | Excessive noise | Worn bearings or cavitation | Replace bearings, improve suction conditions |
| 7 | Pump leakage | Seal ring or mechanical seal damaged | Replace seals |
| 8 | Motor overheating | Motor overload or poor cooling | Reduce load, improve cooling |
| 9 | Motor trips frequently | Overcurrent or short circuit | Inspect circuit and motor |
| 10 | Low pump efficiency | Improper piping design or impeller damage | Optimize piping, replace impeller |
| 11 | Pump hard to start | Bearing stuck or lack of lubrication | Add lubrication or replace bearing |
| 12 | Cavitation occurs | Excessive suction lift or insufficient water source | Reduce installation height, ensure sufficient water |
| 13 | Water contains impurities | Dirty water source or strainer damaged | Clean or replace strainer |
| 14 | Pump casing overheats | Lack of lubrication or overload | Check lubrication, avoid overload |
| 15 | Pump running in reverse | Wrong wiring | Adjust wiring connections |
Shanghai Jiushi Pump Industry - Committed to efficient water pump solutions, helping the industry take off
About US：Shanghai Jiushi Pump Manufacturing Co., Ltd.
Website：https://www.jush-pump.com/
The IS horizontal single-stage centrifugal pump is a highly efficient and reliable clean water pump, widely used in factories, mines, municipal water supply, drainage, and agricultural irrigation. It features simple structure, large flow capacity, medium head, and easy maintenance, making it suitable for transferring clean water or liquids with similar physical and chemical properties.
Single-stage single-suction design: The IS type centrifugal pump adopts a single-stage single-suction structure, with a compact pump body and easy installation, suitable for medium and low flow and low pressure water pump systems.
High efficiency: The pump improves the working efficiency of the water pump and reduces energy consumption by optimizing the hydraulic model.
Corrosion resistance: The pump body and impeller are made of high-quality cast iron, which has strong corrosion resistance and is suitable for conveying clean water and some slightly corrosive liquids.
Strong durability: The use of advanced mechanical seals and high-quality materials reduces wear and extends service life.
Easy operation: The pump has a simple structural design, simple operation and maintenance, and is easy to install.
Energy saving: Due to the reasonable design of the pump body, it can provide a higher water flow at a lower operating cost, and the energy saving effect is significant.
Water treatment industry: used for water transportation in urban water plants and sewage treatment plants.
Agricultural irrigation: widely used in agricultural irrigation systems, suitable for irrigation, drainage, etc.
Industrial production: suitable for water cooling, water supply and other needs in chemical plants, paper mills, food processing plants and other industries.
Building water supply: used for pressurized water supply in building water supply systems.
Fire protection system: as the main water pump equipment in the fire protection system, it provides water pressure support.
Thermal system: used for heating, air conditioning and hot water circulation systems in industry and buildings.
The working principle of IS type single-stage single-suction centrifugal pump is based on the generation of centrifugal force. The pump impeller rotates at high speed under the drive of the motor, sucking the liquid into the impeller in the center of the pump body. The liquid is accelerated by the impeller and discharged by centrifugal force, forming a high-pressure fluid, which enters the discharge pipe after being guided by the guide vanes of the pump casing. Since there is only one water inlet at the suction end of the pump (single suction), its water absorption performance is more stable.
Pre-start inspection:
Check whether the connection between the motor and the pump body is firm.
Make sure there is enough water in the pump body to avoid dry operation.
Check whether the electrical control system is normal and confirm that the wiring is correct.
Starting process:
After starting the motor, check the running direction of the pump to ensure that it is consistent with the working direction of the pump.
Check whether the flow, head and current of the pump are within the normal range.
Operation process:
Keep the pump running within the rated operating range to avoid overload operation.
Check the bearing temperature and motor current regularly to ensure the normal operation of the equipment.
Stop operation:
Before stopping operation, the water outlet valve should be closed first, and then the motor should be turned off to avoid cavitation of the pump body.
After completing the stop operation, check whether there is water accumulation inside the pump body, especially in low temperature environment, to avoid freezing and cracking.
Prevent dry operation: During use, the suction port of the pump must be kept completely filled with liquid to avoid dry operation. Dry operation will cause the pump body to overheat, and in severe cases, the pump body and sealing device may be damaged.
Prevent blockage: The suction end and discharge port of the pump should be cleaned regularly to avoid blockage by debris, which will affect the flow rate and normal operation of the pump.
Maintain stable pressure: Avoid running the pump at ultra-high pressure for a long time, otherwise it may cause overload and damage to the pump.
Anti-freezing measures: When used in cold areas, care should be taken to prevent water from accumulating in the pump body to prevent ice from causing damage to the pump body.
Regular inspection and maintenance: Regularly inspect and clean the pump body, especially maintain the impeller, sealing device and other easily worn parts to ensure long-term stable operation of the equipment.
Ⅵ.IS Single-stage Single-suction Centrifugal Pump Technical Parameters
| Flow rate | 5-1200 m ³/h |
| Head | 5-125 m |
| Power | 1.1~200 kW |
| Caliber | 25~300 mm |
| Working temperature | ≤ 80 ° C |
| Working pressure | ≤ 1.6 MPa |
| Speed | 2900 rpm |
| Inhalation height | <6m |
| Pump body material | cast iron, copper, aluminum alloy (optional) |
| Motor voltage | 380V, 50Hz |
| Motor type | three-phase asynchronous motor |
| Pump shaft seal | mechanical seal |
| Structure of the pump | single-stage single suction |
| Applicable media | liquid clear water, industrial water, slightly corrosive liquids |
Ⅶ.IS Type Single-stage Single Suction Centrifugal Pump Specification Parameters：
| Model | Flow rate (m ³/h) | Head (m) | Power (kW) | Pump diameter (mm) | Speed (rpm) | Motor power (kW) | Efficiency (%) | Suction height (m) |
| IS50-32-125 | 5~50 | 10~50 | 1.1~3.0 | 32 | 2900 | 1.1 | ≥60 | ≤6 |
| IS80-50-200 | 10~100 | 20~60 | 3.0~7.5 | 50 | 2900 | 3.0 | ≥65 | ≤6 |
| IS100-65-250 | 20~150 | 20~80 | 5.5~15 | 65 | 2900 | 7.5 | ≥70 | ≤6 |
| IS150-100-300 | 50~300 | 30~100 | 15~45 | 100 | 2900 | 15 | ≥75 | ≤6 |
| IS200-150-350 | 100~500 | 50~125 | 30~75 | 150 | 2900 | 30 | ≥80 | ≤6 |
| IS250-200-400 | 200~800 | 60~125 | 75~160 | 200 | 2900 | 75 | ≥80 | ≤6 |
The above content provides users with comprehensive information on the IS type single-stage single suction centrifugal pump, ensuring that customers can understand its structural characteristics, usage requirements, and maintenance precautions, thereby effectively extending the service life of the pump and improving work efficiency. The above data and product information are for reference only. For detailed product information and parameters, please contact Shanghai Jiushi Pump Industry customer service. We will send you the detailed product information as soon as possible.
| No. | Common Problem | Possible Cause | Solution |
| 1 | Pump does not start | Power not connected or voltage too low | Check power supply and voltage |
| 2 | Motor runs but no water output | Air in pipeline or pump not primed | Prime pump, remove air, check suction line |
| 3 | Insufficient water flow | Impeller worn or pipeline blocked | Replace impeller, clean pipeline |
| 4 | Low discharge pressure | Low speed or head too high | Check motor speed, select proper pump |
| 5 | Excessive vibration | Improper installation or rotor imbalance | Reinforce installation, balance rotor |
| 6 | Excessive noise | Worn bearings or cavitation | Replace bearings, improve suction conditions |
| 7 | Pump leakage | Seal ring or mechanical seal damaged | Replace seals |
| 8 | Motor overheating | Motor overload or poor cooling | Reduce load, improve cooling |
| 9 | Motor trips frequently | Overcurrent or short circuit | Inspect circuit and motor |
| 10 | Low pump efficiency | Improper piping design or impeller damage | Optimize piping, replace impeller |
| 11 | Pump hard to start | Bearing stuck or lack of lubrication | Add lubrication or replace bearing |
| 12 | Cavitation occurs | Excessive suction lift or insufficient water source | Reduce installation height, ensure sufficient water |
| 13 | Water contains impurities | Dirty water source or strainer damaged | Clean or replace strainer |
| 14 | Pump casing overheats | Lack of lubrication or overload | Check lubrication, avoid overload |
| 15 | Pump running in reverse | Wrong wiring | Adjust wiring connections |
Shanghai Jiushi Pump Industry - Committed to efficient water pump solutions, helping the industry take off
About US：Shanghai Jiushi Pump Manufacturing Co., Ltd.
Website：https://www.jush-pump.com/