CDM,CDMF High efficient Light Vertical Multistage Centrifugal Pump



  • CNP Actively Participating in the 22nd Shandong International Water Exhibition

  • CNP Donated Medical Mask for Overseas Customers

  • ISO /TC 23/SC 18 SECRETARIAT visited CNP

  • CNP attended Aquatherm Moscow 2019

  • 2018 CNP overseas customers conference



1. high-efficient non-self-priming vertical multistage centrifugal pump,independently developed according to European standards.

2. Adopts brand-new industrial design, energy efficiency index reaches MEI ≥ 0.7.

3. The impeller guide vane is made of stainless steel plate stamping welding or stainless steel precision casting.

4. The motor is a fully enclosed, air-cooled two-pole standard motor.



1. The impeller and guide vanes are stamped and welded with stainless steel plates,using international advanced automatic robot laser welding equipment

2. Total enclosed fan cooled motor(TEFC), IE3 standard,highly efficient, low noise and environmental friendly

3. Fully covered coupling guard, more obvious brand recognition and effective protection

4. Die-casting base, novel、stable and light weighted

5. Cartridge type seal,able to move and change within minutes

6. High efficient,energy saving,low noise,environmental friendly,light weighted, easy to use and maintain,with compact structure,beautiful appearance and high reliability.



Thin,clean,non-flammable, non-explosive, solid free, fiber free,physically and chemically water-like liquid.

Liquid temperature:  -15~70 ℃ for normal type

-15~120 ℃ for hot water type

Ambient temperature: ≤40 ℃

Altitude: up to 1000m






CNP, a green water expert beside you.


Flow rate:0.5m³/h~240m³/h



Power: 0.37kW~110kW

Material:Stainless steel


Water treatment systems

HVAC systems

Industrial liquid transportation

Industrial boosting

Water supply systems

CNP integrates the advanced R&D technologies from Europe and America, with the most advanced industrial design concept in Western Europe, with the production experience of modern industrial clusters in North America, with the most efficient and energy-saving product structure research in Hangzhou, China.

With the application of information technology, CNP has built its own smart factory, taking the lead in the introduction of SAP resource management system, becoming one of the key units of the key construction project of  "machine substitution" in Hangzhou, with the whole process of production information monitoring and tracking, applying laser welding technology to the manufacturing process of robot pump spare parts in depth, using progressive die technology to ensure the quality of the whole process of the parts, all of which greatly reduce the production and manufacturing cycle, provide an intelligent production and manufacturing basis for the pump production.

CNP was recognized as state-certified enterprise technology center in 2016. It is the highest evaluation level for technology center in China. Besides, CNP has been carrying some technical courses in 11/12/13th National Five-Year Plan.

CNP uses digital integrated intelligent control technology to create domestic advanced M2M mode, intelligent control technology.

It includes intelligent current stabilization system, intelligent vacuum suppression system, intelligent auxiliary control monitoring system, intelligent non-negative pressure full frequency control system and intelligent water hammer two-way elimination system.