Centrifugal Pump
DL Series Low Noise Vertical Multistage Centrifugal Pump
- OEM
- Factory Direct Supply
- ISO9001 Certified
Product Overview
Product Description
The DL Series is a low noise vertical multistage centrifugal pump designed for high-pressure water boosting and circulation in commercial and industrial applications. Its vertical multistage construction delivers exceptional pressure performance while maintaining whisper-quiet operation suitable for noise-sensitive environments.
This pump features a modular multistage design with multiple impellers, providing smooth and stable high-pressure output with minimal vibration. It efficiently handles clean water and non-corrosive liquids. The pump casing and impellers are available in high-quality cast iron or optional stainless steel, bronze, and carbon steel, ensuring long-lasting durability and corrosion resistance. All DL pumps are manufactured under strict quality control and certified with ISO 9001, ISO 14001, and ISO 45001 standards.
We offer OEM & ODM services. Contact us for more details, price list and product catalog.
KEY FEATURES
- Vertical multistage design generates high pressures in a compact footprint.
- Flow rates range from 6 to 300 m³/h to meet diverse water demand requirements.
- Delivers high head from 24 up to 280 meters for multi-story building supply.
- Low noise operation ensures quiet performance in residential and commercial settings.
- Available in cast iron, stainless steel, bronze, and carbon steel for durability.
- Fitted with mechanical seals for reliable, leak-free long-term performance.
- Ideal for pressure boosting, HVAC circulation, and industrial water transfer.
- ISO 9001 certified, guaranteeing consistent quality and reliability.
Specifications
Technical Parameters
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model Series | DL | Pump Type | Low Noise Vertical Multistage Centrifugal Pump |
| Flow Rate (Q) | 6 – 300 m³/h | Head (H) | 24 – 280 m |
| Speed (n) | 1450 rpm or 2900 rpm | Operating Temperature | Up to 80°C (higher with customization) |
| Materials of Construction | Cast Iron / Stainless Steel / Bronze / Carbon Steel | Seal Type | Mechanical Seal / Packing Seal |
| Drive Type | Direct Coupling with Electric Motor | Installation Type | Vertical |
| Motor Protection Class | IP54 / IP55 (Customizable) | Certifications | ISO 9001, ISO 14001, ISO 45001 |
| Applicable Media | Clean Water, Industrial Liquids, Non-Corrosive Fluids |
Manufacturing
Precision engineering, advanced facilities.
Certifications
Global certifications for reliable performance.
OEM/ODM
Tailor-made pumps for your specifications.
Packaging
Robust export packaging for safe delivery.
Use Cases
Applications
The DL series low noise vertical multistage pump is engineered for reliable high-pressure performance in demanding applications, delivering quiet and efficient operation for water boosting and circulation systems.
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High-Rise Building Water Supply
Serves as an ideal high pressure booster pump for delivering water to upper floors in apartment buildings, hotels, and offices.
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HVAC Pressure Boosting
Provides consistent pressure for heating and cooling systems in commercial complexes and institutional facilities.
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Industrial Circulation System
Reliable for high pressure water circulation in manufacturing processes, cleaning systems, and industrial cooling.
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Fire Fighting System
Suitable for sprinkler systems and hydrant networks requiring dependable high pressure fire pump performance.
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Water Treatment Plants
Used for reverse osmosis feed, filtration backwashing, and treated water transfer in municipal and industrial treatment.
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Irrigation & Agriculture
Delivers high pressure for large-scale agricultural irrigation, greenhouse spraying, and livestock watering.
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Pressure Boosting Stations
Ideal for municipal water distribution networks requiring reliable pressure maintenance.
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Mining & Construction
Handles dewatering and water supply applications in mining operations and construction sites.
Frequently Asked Questions
How does a vertical multistage pump like the DL series achieve such high pressure?
Is this low noise booster pump suitable for residential buildings?
What materials are available for this high pressure multistage pump?
Can this pump be used as a fire fighting pump for sprinkler systems?
What is the typical lead time for your ISO certified vertical pumps?
Do you offer OEM service for this low noise centrifugal pump?
What type of seal does this multistage booster pump use?
What certifications do your pumps hold?
Have more questions? Our technical team is ready to help you select the right pump model.
Need Help Selecting the Right Pump?
Our engineering team will provide a professional selection recommendation within 24 hours based on your specific requirements.
Contact Information
Manufacturing District, China
What We Need
Response Time
Technical recommendations and quotations during business days
Our experienced engineers will analyze your application and provide detailed pump selection with complete technical specifications and pricing.