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CNP Pump the Pump CDLF Series CNP Vertical Multistage Pump for Water Treatment

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Pressure Liquid Transfer: Designed for industrial water treatment and reverse osmosis (RO) systems, enabling efficient pumping of water, chemicals, and other fluids under high-pressure conditions.
  • Multistage Efficiency: Vertical multistage design incrementally boosts pressure, optimizing performance in demanding applications like water purification, chemical processing, and HVAC systems.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

  • With a corrosion-resistant stainless steel casing and impeller, ensure durability in harsh water treatment environments. This material outperforms traditional carbon steel pumps in resisting chemical erosion, extending service life in aggressive fluid applications.*

  • 2. Customizable Variable Speed Drives

  • With customizable variable speed drives (VSDs), adjust flow rates and pressure to match specific process demands. This flexibility reduces energy waste compared to fixed-speed pumps, optimizing efficiency in dynamic water treatment scenarios.*

  • 3. High-Pressure Multi-Stage Design

  • With a multi-stage design achieving up to [X] bar pressure, efficiently handle demanding water treatment processes like reverse osmosis (RO). Outperforms single-stage pumps in pressure requirements for industrial-scale purification systems.*

  • 4. Space-Saving Vertical Compact Design

  • With a vertical compact design, optimize space in confined industrial settings while maintaining high performance. This design requires ~30% less floor space than horizontal pumps, ideal for installations with limited footprint.*

  • 5. CE-Certified Safety and Compliance

  • With CE certification, meet stringent safety and quality standards for industrial water treatment applications. This ensures compliance with EU regulations, surpassing non-certified alternatives in reliability and regulatory adherence.*

Product details

CNP Pump the Pump CDLF Series CNP Vertical Multistage Pump for Water Treatment

The CNP CDLF Series Vertical Multistage Pump is engineered for high-pressure water treatment applications, featuring a corrosion-resistant stainless steel construction and compact vertical design. Certified to CE standards, it offers reliable performance with adjustable flow rates and pressure outputs, backed by a 1-year warranty.

Technical specifications

FeatureSpecificationBenefit
MaterialStainless steel casing and impellerWith corrosion-resistant materials, you can ensure durability in harsh environments.
DesignVertical, compact footprintWith a space-saving vertical design, you can optimize installation in confined spaces.
PressureAdjustable via multi-stage configurationWith multi-stage pressure boosting, you can achieve high-pressure outputs for demanding applications.
CertificationCE-compliantWith CE certification, you can meet regulatory standards for industrial use.
Warranty1 yearWith a 1-year warranty, you can ensure long-term reliability and support.

Customization guide

  • Adjustable Flow/Pressure: Customize flow rate and pressure by modifying the number of stages or impeller size to meet specific process requirements.
  • Material Selection: Choose from corrosion-resistant alloys (e.g., 316 stainless steel) to handle aggressive chemicals or abrasive fluids.
  • Control Options: Integrate variable speed drives (VSDs) for real-time adjustments to optimize energy efficiency.

Get inspired

With the CNP CDLF pump’s vertical design, you can maximize space in industrial water treatment plants. Its high-pressure capability enables efficient fluid transfer in reverse osmosis (RO) systems, while customizable materials ensure compatibility with harsh chemicals. Whether scaling up production or retrofitting existing systems, this pump adapts to your operational needs.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Pressure60 m (200 ft)+15% (69 m / 226 ft)+30% (78 m / 256 ft)*
Flow Rate10–30 m³/h12–35 m³/h15–40 m³/h
Chemical ResistanceStandard alloysStainless steel 316Duplex stainless steel
CertificationsCECE + ISO 9001CE + ISO 9001 + NSF

Supplier's note

  1. Technical Breakthroughs:

    • CE Certification: Ensures compliance with EU safety standards for global deployment.
    • Multi-Stage Pressure Design: Achieves industry-leading pressure outputs through optimized impeller staging.
    • Material Flexibility: Duplex stainless steel in the Pro Model triples corrosion resistance, enabling use in extreme chemical environments.
  2. Optimal Version Selection:

    • Base Model: Ideal for standard water treatment plants requiring reliable performance at a lower cost.
    • Advanced Model: Suitable for chemical processing facilities needing enhanced durability (e.g., 316 stainless steel) and ISO-certified quality.
    • Pro Model: Best for high-pressure, high-purity applications like RO desalination, where NSF certification and duplex steel ensure safety and longevity.

*Pro Model pressure capacity exceeds industry benchmarks by 25% for demanding industrial workflows.

Frequently asked questions

  • Which vertical multistage pump model suits high-pressure water treatment systems?

  • How to maintain a stainless steel vertical multistage pump for longevity?

  • Stainless Steel vs Cast Iron: Which is better for corrosive water treatment environments?

  • Can the CNP CDLF pump be customized for specific flow rates in industrial settings?

  • Is the CNP Pump CDLF Series CE-certified for industrial water treatment use?

  • Where are vertical multistage pumps like the CNP CDLF best suited for water treatment?

  • Why choose a vertical design for space-constrained water treatment facilities?

  • How does the CNP CDLF pump handle abrasive fluids in harsh environments?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityCorrosive fluid handlingIndustry Standard: Stainless Steel (304)
Our Base: 304L (ASTM A240)
Our Advanced: 316L (ASTM A276) ▲
Base: Cost-effective for general water treatment
Advanced: Resists harsh chemicals (e.g., acids, salts) ▲
Advanced: 20% higher cost due to premium alloy ▲
Pressure CapacityHigh-pressure water distributionIndustry Standard: ≤1.2 MPa (ISO 9906)
Our Base: 1.2 MPa ▲
Our Advanced: 1.6 MPa ▲
Base: Meets municipal standards
Advanced: Supports industrial-scale systems (e.g., chemical plants) ▲
Advanced requires reinforced piping infrastructure ▲
Energy EfficiencyEnergy-conscious facilitiesIndustry Standard: IE2 (IEC 60034-30)
Our Base: IE2 ▲
Our Advanced: IE3 Premium ▲
Advanced: 8% lower energy consumption ▲ (reduces operational costs)Base: Limited compatibility with energy audits
Noise LevelNoise-sensitive environmentsIndustry Standard: ≤80 dBA (ISO 14343)
Our Base: 75 dBA ▲
Our Advanced: 68 dBA ▲
Advanced: Quieter than typical HVAC systems (e.g., hospitals, offices) ▲Advanced: Requires additional soundproofing for extreme quietness
Customization OptionsSpecialized fluid handlingIndustry Standard: Limited to material swaps
Our Base: Adjustable impeller size ▲
Our Advanced: Full-stage tuning + VSD ▲
Advanced: Tailored for abrasive fluids or variable flow rates ▲Base: Limited to pre-configured pressure ranges
Warranty PeriodLong-term asset planningIndustry Standard: 1 year
Our Base: 1 year ▲
Our Advanced: 2 years ▲
Advanced: Reduces downtime risk for critical systems ▲Base: Shorter coverage for high-stress applications

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