Premium Material for Durability: Crafted from high-grade stainless steel, this pump ensures exceptional durability and corrosion resistance. Professional buyers prioritize its robust construction, guaranteeing long-lasting performance and reliability in various water applications.
Constant Pressure Technology: The pump features a constant pressure function, maintaining a stable water pressure throughout the system. Buyers value this technology, ensuring a consistent flow rate and enhancing the performance of water-using appliances.
High-Efficiency Performance: Engineered for optimal efficiency, the pump consumes less power while delivering robust performance. Buyers prioritize energy-efficient pumps, reducing energy costs and contributing to environmental sustainability.
Quiet and Smooth Operation: Designed for silent performance, the pump operates quietly, minimizing noise pollution. Buyers appreciate its low-noise operation, providing a peaceful environment for both residential and commercial settings.
User-Friendly Controls and Maintenance: The pump offers intuitive controls and straightforward maintenance procedures. Buyers value its ease of use, making it a practical choice for both DIY enthusiasts and professional installers.
In summary, this high-performance stainless steel water pump with a constant pressure function combines robust construction, stable water pressure, high efficiency, quiet operation, and user-friendly controls and maintenance. These attributes make it an ideal choice for professional buyers seeking a durable, reliable, and efficient water pump for their water applications.


CHL ,The CHMand CHLF(T) series pumps are designed specifically for industrial applications, delivering exceptional performance in various scenarios:
1.Air-conditioning systems, ensuring efficient climate control and comfort.
2. Cooling systems, offering reliable and consistent performance for temperature regulation.
3. Industrial cleaning, providing powerful cleaning solutions for industrial environments.
4. Water treatment, including water purification, enhancing the quality and safety of water.
5. Aquiculture, supporting sustainable and efficient water-based farming.
6. Fertilizing and metering systems, enabling precise and effective agricultural processes.
7. Environmental applications and other specialized uses, addressing unique industry needs.
Applicable Medium
1. Suitable for thin, clean, non-flammable and non-explosive liquids without solid particles or fibers.
2. Ideal for mineral water, soft water, pure water, edible vegetable oils, and other light chemical mediums.
3. For liquids with higher density or viscosity than water, a high-power driving motor is recommended.
4. Suitability for specific liquids depends on key factors such as chlorine content, pH value, temperature, solvent, and oil content.
1. TEFC motor, 2-pole, ensuring robust and reliable performance.
2. Protection class: IP55, guarding against dust and water ingress.
3. Insulation class: F, providing superior thermal protection.
4. Standard voltage, 50Hz:
1x220-240V, accommodating a range of electrical requirements.
3x220-240V/380-415V, compatible with diverse power systems.
5. Standard voltage, 60Hz:
1x220-240V, ensuring efficiency across electrical standards.
3x220-240V/380-415V, adaptable to various installation environments.
6. Single phase motor (max): 2.4kW, offering substantial power for demanding tasks.
Operation Conditions
1. Liquid temperature range:
Normal temperature type: -15ºC to +70ºC, ensuring versatility in standard applications.
Hot water type: -15ºC to +110ºC, suitable for high-temperature applications.
2. Ambient temperature: up to +40ºC, ensuring optimal performance in various climates.
3. Maximum operation pressure: 10 bar, providing strong and reliable performance under pressure.
4. Maximum inlet pressure is limited by maximum operation pressure, ensuring safety and efficiency.
pressure





the water safety of the people of China. We proudly make significant contributions through our innovative solutions. Our founding team
pioneered the development of stainless steel centrifugal pumps in China, boasting
an impressive 30+ years of expertise in technology research and development. The core
team has been instrumental in shaping the national standards for the "light,"
small multistage centrifugal pump." They have led national science and technology support initiatives aligned with the 11th,
12th, and 13th Five-Year Plans, as well as the "National Torch Project," and "National Key New Product Project," among
other groundbreaking research, development, design, and production endeavors. Our R&D center is equipped with
cutting-edge CFD fluid 3D simulation design software, premier domestic stamping equipment, and an
automated production line. These resources ensure our products deliver unmatched performance and stability, achieving
an advanced level in domestic markets.
Our company spans an impressive 82,000 square meters, with a designed output value reaching
one billion annually. We offer an extensive array of stainless steel stamping and welding centrifugal
pumps, including pipeline circulation pumps, end suction centrifugal pumps, sewage submersible pumps, high
pressure pumps, fire pumps, as well as comprehensive water supply and drainage solutions. They are designed for diverse
applications, delivering peak performance in booster sets, pressurization, building services, water
treatment, industry, irrigation, industrial processes, firefighting sets, underground water pumping,
drainage, sewage management, utilities, and desalination.
We are currently seeking global partners and warmly invite you to join us in Huzhou, China. Global water challenges,
as well as promising opportunities, demand unparalleled pumping technologies and strong partnerships between pump designers and
manufacturers. Together, let's advance water security solutions for communities worldwide,
cooperating to make a meaningful impact on global water safety.
Join us as we strive to meet these challenges with innovative excellence.
Type | Motor (kW) | Q(m³/h) | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
CHL2-20 | 0.37 | H (m) | 19 | 18 | 16.5 | 15 | 13 | 10 | 7.5 |
CHL2-30 | 0.37 | 28 | 26.5 | 24.5 | 22 | 19 | 15.5 | 12 | |
CHL2-40 | 0.55 | 36 | 34.5 | 33 | 29 | 25 | 20.5 | 16 | |
CHL2-50 | 0.55 | 45.5 | 43 | 40 | 36 | 31.5 | 26.5 | 20.5 | |
CHL2-60 | 0.75 | 53.5 | 51 | 48 | 44 | 39 | 32 | 24 |

Type | Motor (kW) | Q(m³/h) | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
CHL4-20 | 0.37 | H (m) | 19 | 18 | 17 | 15 | 12.5 | 10 | 8 |
CHL4-30 | 0.55 | 28 | 27 | 26 | 23.5 | 20.5 | 17 | 13 | |
CHL4-40 | 0.75 | 37.5 | 36 | 34 | 31 | 27 | 23 | 19 |

Type | Motor (kW) | Q(m³/h) | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
CHL8-10 | 0.75 | H (m) | 10 | 9.5 | 9.3 | 9 | 8 | 7.5 | 7 |
CHL8-20 | 0.75 | 20 | 19.5 | 19 | 18 | 17 | 15.5 | 14 | |
CHL8-30 | 1.1 | 29.5 | 29 | 28 | 27 | 25 | 23 | 21 | |
CHL8-40 | 1.5 | 39 | 38 | 37 | 35 | 33 | 30.5 | 27.5 | |
CHL8-50 | 2.2 | 51 | 49.5 | 47.5 | 45 | 42.5 | 39.5 | 36 |

Type | Motor (kW) | Q(m³/h) | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
CHL12-10 | 0.75 | H (m) | 11.5 | 11.2 | 11 | 10.5 | 10 | 9.5 | 9 | 8 | 7 | 6 |
CHL12-20 | 1.2 | 23 | 22.5 | 22 | 21.5 | 20.5 | 19.5 | 18.5 | 17 | 15.5 | 13 | |
CHL12-30 | 1.8 | 35 | 34.5 | 33.5 | 32.5 | 31 | 29.5 | 28 | 26 | 23.5 | 20 | |
CHL12-40 | 2.4 | 47 | 46 | 45 | 43.5 | 41.5 | 39.5 | 37.5 | 35 | 31.5 | 27.5 | |
CHL12-50 | 3 | 60 | 58 | 56.5 | 55 | 52.5 | 50 | 47 | 44 | 40 | 35 |

Type | Motor (kW) | Q(m³/h) | 8 | 10 | 12 | 14 | 15 | 16 | 18 | 20 | 22 |
CHL15-10 | 1.1 | H (m) | 12 | 11 | 10.5 | 9.5 | 9 | 8.5 | 7.5 | 6.5 | 6 |
CHL15-20 | 2.2 | 24.5 | 24 | 23 | 22 | 21 | 20.5 | 19 | 18 | 16 | |
CHL15-30 | 3 | 38 | 37 | 35.5 | 34 | 33 | 32 | 30 | 28 | 25 |

Type | Motor (kW) | Q(m³/h) | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 |
CHL20-10 | 1.1 | H (m) | 13.5 | 13 | 12.5 | 12 | 11 | 10 | 9 | 8 | 7 | 6 |
CHL20-20 | 2.2 | 27 | 26.5 | 25.5 | 25 | 23.5 | 22 | 20.5 | 18.5 | 17 | 14.5 | |
CHL20-30 | 4 | 39.5 | 39 | 38 | 37.5 | 35.5 | 34 | 31.5 | 29 | 26 | 23 |

Model | Driving motor | Q (m³/h) | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | |
(kW) | (hp) | |||||||||
CHLF(T)2-20 | 0.37 | 0.5 | H (m) | 19 | 18 | 16.5 | 15 | 13 | 10 | 7.5 |
CHLF(T)2-30 | 0.55 | 0.75 | 28 | 26.5 | 24.5 | 22 | 19 | 15.5 | 12 | |
CHLF(T)2-40 | 0.55 | 0.75 | 36 | 34.5 | 33 | 29 | 25 | 20.5 | 16 | |
CHLF(T)2-50 | 0.55 | 0.75 | 45.5 | 43 | 40 | 36 | 31.5 | 26.5 | 20.5 | |
CHLF(T)2-60 | 0.75 | 1 | 53.5 | 51 | 48 | 44 | 39 | 32 | 24 |

Model | Driving motor | Q (m³/h) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
(kW) | (hp) | |||||||||
CHLF(T)4-20 | 0.55 | 0.75 | H (m) | 19 | 18 | 17 | 15 | 12.5 | 10 | 8 |
CHLF(T)4-30 | 0.55 | 0.75 | 28 | 27 | 26 | 23.5 | 20.5 | 1 | 13 | |
CHLF(T)4-40 | 0.75 | 1 | 37.5 | 36 | 34 | 31 | 27 | 23 | 19 | |
CHLF(T)4-50 | 1.1 | 1.5 | 47 | 45 | 42.5 | 39 | 34 | 29 | 23 | |
CHLF(T)4-60 | 1.1 | 1.5 | 56 | 54 | 51 | 47 | 41.5 | 35.5 | 28 |

Model | Driving motor | Q (m³/h) | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
(kW) | (hp) | |||||||||
CHLF(T)8-10 | 0.75 | 1 | H (m) | 10 | 9.5 | 9.3 | 9 | 8 | 7.5 | 7 |
CHLF(T)8-20 | 0.75 | 1 | 20 | 19.5 | 19 | 18 | 17 | 15.5 | 14 | |
CHLF(T)8-30 | 1.1 | 1.5 | 29.5 | 29 | 28 | 27 | 25 | 23 | 21 | |
CHLF(T)8-40 | 1.5 | 2 | 39 | 38 | 37 | 35 | 33 | 30.5 | 27.5 | |
CHLF(T)8-50 | 2.2 | 3 | 51 | 49.5 | 47.5 | 45 | 42.5 | 39.5 | 36 |

Model | Driving motor | Q (m³/h) | 7 | 8 | 9 | 10 | 12 | 13 | 14 | 15 | 16 | ||
(kW) | (hp) | ||||||||||||
CHLF(T)12-10 | 0.75 | 1 | H (m) | 11.5 | 11.2 | 11 | 10.5 | 10 | 9.5 | 9 | 8 | 7 | 6 |
CHLF(T)12-20 | 1.2 | 1.6 | 23 | 22.5 | 22 | 21.5 | 20.5 | 19.5 | 18.5 | 17 | 15.5 | 13 | |
CHLF(T)12-30 | 1.8 | 2.4 | 35 | 34.5 | 33.5 | 32.5 | 31 | 29.5 | 28 | 26 | 23.5 | 20 | |
CHLF(T)12-40 | 2.4 | 3.3 | 47 | 46 | 45 | 43.5 | 41.5 | 39.5 | 37.5 | 35 | 31.5 | 27.5 | |
CHLF(T)12-50 | 3 | 4 | 60 | 58 | 56.5 | 55 | 52.5 | 50 | 47 | 44 | 40 | 35 |

Model | Driving motor | Q (m³/h) | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | |
(kW) | (hp) | ||||||||||
CHLF(T)16-10 | 1.1 | 1.5 | H (m) | 12.8 | 12.5 | 12 | 11.5 | 10.5 | 9.5 | 8 | 7 |
CHLF(T)16-20 | 2.2 | 3 | 26 | 25 | 24 | 23 | 21.7 | 20 | 18 | 15.5 | |
CHLF(T)16-30 | 3 | 4 | 40 | 39 | 38 | 36 | 34 | 31.5 | 29 | 25 | |
CHLF(T)16-40 | 4 | 5.5 | 53.5 | 52 | 50 | 48 | 45 | 42 | 38 | 33.5 |

Model | Driving motor | Q (m³/h) | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | |
(kW) | (hp) | ||||||||||||
CHLF(T)20-10 | 1.1 | 1.5 | H (m) | 13.5 | 13 | 12.5 | 12 | 11 | 10 | 9 | 8 | 7 | 6 |
CHLF(T)20-20 | 2.2 | 3 | 27 | 26.5 | 25.5 | 25 | 23.5 | 22 | 20.5 | 18.5 | 17 | 14.5 | |
CHLF(T)20-30 | 4 | 5.5 | 39.5 | 39 | 38 | 37.5 | 35.5 | 34 | 31.5 | 29 | 26 | 23 | |
CHLF(T)20-40 | 4.4 | 6 | 53 | 52 | 51 | 50 | 48.5 | 46.5 | 43 | 40 | 36 | 32.5 |

Q: What is the delivery time?
A:The sample can be sent to customer within 7-10 days.
The batch order can be shipped within 20 days after receiving deposit payment
Q:Where is your loading port?
A: Shanghai port, China
Q: Is it all right to make customer's own brand name?
A: Can make OEM if order quantity reached 200pcs totally
Q: What is your payment term?
A: 30% in advance, 70% balance the B/L or T/T
Q: What Hz are the parameters given in the picture and text for?
A: 50HZ, if 60GZ is required, we will provide new parameters or send the requirements via email, and we will send the 60HZ parameter data to your location.
Q: What is the warranty of the product?
A: We offer 1 year product life guarantee and a generous 1 year warranty on all purchases that begin with the BL
Q: What information shall I provide you when I need your offer?
A: Normally, we need customer to supply the pump flow, total head, pump material (copper wire or aluminum wire? Stator length), voltage, frequency, etc, so we can quote exactly what customer need
Q: Can you accept customized products?
A: Yes we accept your specific order if you could provide us with your requirements.
Q: Is there any leakage problem of this pump?
A: We test 100% and long time for the pump, to make sure there is no leakage problem.
Q: Do you supply sample?
A: We can supply sample, but customer have to pay for the sample fee
Q: What is the delivery time?
A:7-10 after we receiving your deposit.
Q: Where did you export to?
A: We export to more than 50 countries, for example, Israel, South Africa, Germany, Poland, Spain, Vietnam, Malaysia, Russia, Thailand, Mexico, Brazil, Chile, etc.
Q: Can you recommend some pumps according to the working conditions?
A: We have been working as sales engineers for more than 15 years. It can be provided according to some data we need.
Q: Can you provide guidance on after-sales issues and installation problems?
A: Our after-sales engineers are professionals who have been working for more than 10 years, and we will provide free video guidance to customers who purchase our products.