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  • Portable Self-Priming Water Pump
  • Portable Self-Priming Water Pump
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Product Advantages

Self-Priming Eliminates Manual Priming Hassle: Self-priming height reaches up to 6 meters, with a priming time of 3~3.5 minutes. The pump automatically completes the suction process upon startup, making it especially well suited for sites where water levels fluctuate frequently.
Broad Seal Compatibility: Featuring ceramic mechanical seals, multiple sealing options are available — corrosion-resistant, alkali-resistant, temperature-resistant, and non-toxic — accommodating production settings that require media purity or corrosion resistance.
Compact and Portable: A small, lightweight pump body with high flow rate and high lift makes installation, maintenance, and operation straightforward, ideal for applications requiring on-site relocation and redeployment.
Flexible Configuration: Compatible with any type or specification of filter, and can be fitted with a spray nozzle for irrigation applications, adapting easily to a variety of temporary water intake needs.

Applications

Agricultural irrigation and orchard sprinkling are the most typical use cases — simply attach a spray nozzle and the pump is ready to go, and it's easy to relocate and restart when the field water source changes position. Emergency firefighting water intake and temporary construction site water supply and drainage also benefit from the faster response enabled by self-priming, eliminating the wait for manual priming. Industries such as chemical, pharmaceutical, and food processing — where media purity or corrosion resistance is required — can also select an appropriate sealing configuration to meet production needs. Industrial and mining washdown and routine equipment cleaning are likewise common applications for this pump.

Model Flow rate (m³/h) Head (m) Power (kW) Efficiency (%) Speed (r/min) Self-priming height (m) Self-priming time (min/5 m)
40BZ10-20 10  20  1.5  58  2900  6  3 
50BZ10-25 10  25  2.2  60  2900  6  3 
50BZ10-32 10  32  3  52  2900  6  3 
50BZ14-35 14  35  4  52  2900  6  3 
50BZ21-32 21  32  4  60  2900  6  3 
50BZ15-45 15  45  5.5  51  2900  6  3 
50BZ50-55 20  55  5.5  60  2900  6  3 
65BZ25-40 25  40  5.5  60  2900  6  3 
80BZ30-13 30  13  2.2  76  2900  6  3 
80BZ50-30 50  30  7.5  76  2900  6  3 
80BZ48-40 48  40  11  76  2900  6  3.5 
80BZ31-50 31  50  11  56  2900  6  3 
80BZ50-65 50  65  15  62  2900  6  3 
100BZ100-20 100  20  7.5  75  2900  6  3.5 
100BZ100-45 100  45  15  68  2900  6  3.5 
Zhejiang Kuayue Motor Co., Ltd.

We are an export‑oriented manufacturer integrated with R&D, production, sales and export, located in Luqiao District, Taizhou City, Zhejiang Province. We have accumulated 34‑years of experience in motor industry. Our production base covers 29 mu with more than 30 staff members. As a professional Portable Self-Priming Water Pump factory in China, we provide reliable three-phase asynchronous motors and industrial pumps solutions globally, alongside ODM/OEM customization services.

Manufactured under ISO9001 quality‑management system, our products hold China CCC compulsory certification and EU CE certification. Our motors are widely sold across more than 20 Chinese provinces and exported to Europe, America, Southeast Asia, Middle East and other global regions. They serve various industries including mining, chemical, pump & HVAC, textile, lifting, machine‑tool and port‑construction machinery.

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