Introduction
At Lefilter, we combine cutting-edge engineering with proven filtration expertise to deliver shallow sand filters that outperform industry standards. With over 16 years of specialized manufacturing experience, our systems are designed to provide unmatched reliability, efficiency, and cost-effectiveness for water treatment applications worldwide.
Discover how our next-generation shallow sand filters can transform your water treatment process - contact us today for a customized solution!
Features
Breakthrough Performance Advantages
✔ Enhanced Filtration Precision - Removes particles down to 5-15 microns with optional polishing media
✔ High-Flow Capacity - Engineered for flow rates up to 800 GPM (180 m³/h) per unit
✔ Space-Smart Configuration - 50% more compact than conventional designs
✔ Energy Optimized - Patented LowDrop™ technology reduces pressure loss by 35%
✔ Smart Filtration - IoT-enabled models available with real-time performance monitoring
Premium Construction Materials
• Tank Options:
QuantumShield™ FRP with UV protection
Marine-grade 316L stainless steel
Duracor™ epoxy-coated carbon steel
• Advanced Media Options:
AquaGrade™ silica sand (0.2-1.8mm)
FilterCarb™ activated carbon blend
MicroTrap™ garnet for sub-micron filtration
• Durability Enhancements:
VortexShield™ inlet deflectors
EverSeal™ gasket systems
ZeroCorr™ stainless steel hardware
Intelligent Filtration Technology
3-Stage Purification Process
1. Primary Filtration:
Multi-directional flow distribution
Coarse particle removal (50+ microns)
2. Depth Filtration:
Graded media bed filtration
Progressive particle capture (50-10 microns)
3. Polishing Stage (Optional):
Fine media layer
Sub-10 micron particle removal
Smart Regeneration System
AutoSense™ backwash initiation (pressure/time/flow triggered)
EcoFlush™ water-saving mode (up to 50% reduction)
PowerWash™ high-efficiency cleaning cycle
Remote Diagnostics via integrated sensors
Automation Options
Basic: Manual control valves
Advanced: PLC-controlled operation
Premium: Cloud-connected smart filtration
Industry-Tailored Solutions
1. Municipal Water Systems
Raw water pretreatment
Clarified water filtration
Stormwater management
2. Industrial Processes
Cooling water filtration
Process water treatment
Wastewater recycling
3. Agricultural Applications
Micro-irrigation protection
Fertigation systems
Aquaculture water treatment
4. Specialized Applications
Food & beverage production
Pharmaceutical water
Mining water remediation
Advantages
✓ Unrivaled Expertise
16 years focused on filtration innovation
10,000+ successful installations
ISO 9001:2015 certified manufacturing
✓ Engineering Superiority
FlowPerfect™ hydraulic design
MediaLock™ retention system
CleanSweep™ backwash technology
✓ Custom Engineering
Diameters from 16" to 144"
Flow capacities from 10-1000 m³/h
Explosion-proof options available
✓ Global Support Network
Dedicated project engineers
Worldwide technical support
Fast replacement parts service
Your Complete Filtration Solution
We provide end-to-end filtration services:
Application analysis
System design & engineering
Factory testing & certification
Installation supervision
Operator training
Maintenance programs
Request Your Custom Quote Today:
Required flow rates
Water quality specifications
Space limitations
Automation requirements
Special material needs