Ultra-Efficient String Wound Filter Cartridges

Introduction

At Lefilter, we combine German engineering precision with Chinese manufacturing efficiency to produce string wound filter cartridges that outperform industry standards. As a Tier 1 supplier to Fortune 500 companies, we've redefined what buyers should expect from filtration products.

Here's why leading plants worldwide are switching to our cartridges:

Next-Generation Filtration Technology

The Engineering Breakthroughs That Set Us Apart

Our multi-patented winding technology incorporates three critical innovations:

1. Variable Pitch Winding

Dynamically adjusts yarn spacing for optimal particle distribution

30% higher dirt loading capacity than conventional designs

2. Dual-Layer Construction

Outer layer: High-capacity pre-filtration

Inner layer: Precision final filtration

Eliminates the need for multiple filter stages

3. SmartCore™ Technology

Proprietary core reinforcement system

Withstands 2x higher pressure surges

Zero risk of core collapse

Independent verification:

✓ NSF/ANSI 61 certified for drinking water

✓ FDA 21 CFR 177 compliant materials available

✓ ISO 16890 particulate removal efficiency testing

Industry-Specific Solutions

1. Power Generation

Application: Combined cycle plant feedwater

Solution: 5μm glass fiber with SS316 cores

Result: 12-month continuous operation between changes

2. Specialty Chemicals

Application: High-purity solvent filtration

Solution: 1μm PVDF cartridges

Result: 99.99% particle removal efficiency

3. Food Processing

Application: Edible oil polishing

Solution: 10μm food-grade PP

Result: 50% longer life than competitor cartridges

4. Microelectronics

Application: UPW final filtration

Solution: 0.5μm nylon with conductive cores

Result: Achieved Class 1 water standards

Quality Assurance You Can Trust

Our Manufacturing Process Includes:

◉ Raw material batch testing

◉ Automated optical winding inspection

◉ 100% bubble point testing

◉ Bacterial challenge testing (upon request)

◉ Lot traceability with QR code tracking

Simple Procurement Process

1. Technical Consultation

Process review with our engineers

Application-specific recommendations

2. Sample Evaluation

No-cost test cartridges

Performance validation in your system

3. Commercial Agreement

Volume discounts

Consignment stock options

4. Ongoing Optimization

Regular performance reviews

Predictive replacement scheduling

What Our Customers Say

"After switching to Lefilter, we reduced our filtration OPEX by 41% while improving our product quality. Their technical support is the best in the industry."

Plant Manager, Global Chemical Company