- Shandong
- 20 days
- 300 units per month
NSF-certified CDL vertical pumps for RO/UF systems. 15% energy savings, 316SS construction. Download free technical specs today.
CDL Series Vertical Centrifugal Pumps for Water Treatment: 2025 Guide
Why Choose CDL/CDLF Pumps?
✔ Wide Application Range - From clean water to mild corrosive liquids
✔ High Efficiency - 15% more efficient than standard pumps
✔ Compact Design - Saves 30% installation space
✔ RO System Optimized - Perfect for 50-300 bar applications
Industry Data: 60% of Chinese RO systems use CDL pumps (2024 Water Tech Report)
Technical Specifications
| Model | Flow Rate | Head | Power | Material |
|---|---|---|---|---|
| CDL4-8 | 0.4-4 m³/h | 8-50m | 0.37-3kW | 304 SS |
| CDL16-30 | 5-30 m³/h | 20-100m | 3-15kW | 316 SS |
| CDL50-180 | 50-180 m³/h | 50-305m | 18-75kW | 316L SS |
Certifications: ISO 9001, CE, NSF/ANSI 61
5 Key Features
1. Advanced Hydraulic Design
• 3D-impeller technology reduces cavitation
• 5% higher efficiency than competitors
2. Robust Construction
• Mechanical seal options:
SiC/Carbon for abrasive fluids
EPDM/FKM for chemicals
3. Smart Protection
✔ Dry-run prevention
✔ Phase failure detection
✔ Overload protection
4. Easy Maintenance
• Top-access design - No pipe disassembly
• Standardized parts - Quick replacement
5. Energy Saving
✅ VFD compatible
✅ MEPS efficiency class IE3
Water Treatment Applications
1. Reverse Osmosis Systems
• High pressure models: Up to 30 bar
• Flow range: 1-150 m³/h
2. Ultrafiltration
• Low NPSHr prevents cavitation
• Chemical-resistant versions available
3. Boiler Feed
• High temp models: 120°C
• Precision flow control
4. Industrial Processes
✔ Acid/alkali transfer
✔ CIP systems
✔ Cooling water circulation
Installation Guide
1. Location
• Vertical mounting only
• Minimum clearance: 50cm all sides
2. Piping
✔ Use vibration absorbers
✔ Install strainer upstream
3. Electrical
• Voltage: 220V/380V ±10%
• Frequency: 50Hz/60Hz
Maintenance Protocol
🔧 Monthly: Seal inspection
💧 Quarterly: Bearing lubrication
🧪 Biannual: Impeller clearance check
⚠️ Annual: Full performance test
Pro Tip: Monitor amp draw for early fault detection
Free Resources
📥 Download: "Pump Sizing Calculator"
🔧 Get: Installation Video Guide
