Material of equipment shell: ①various types of stainless steel (Can be internally coated with PTFE):SUS 304 / SUS 316L / SUS 2205 . ②Titanium.
Available filter bag materials: PTFE(Polytetrafluoroethylene)
Number of filter bag per unit:1-24 pcs (calculated based on actual processing capacity)
Filtration area(㎡):0.25~12
Working pressure(MPa):0.1~0.6
Notes: Optional insulation jacket.
- Product Description
PTFE Bag-Type Precision Filters: Unmatched Filtration for Demanding Industries
Welcome to Xi'an Lexin Technology Co., Ltd., your trusted supplier of high-performance PTFE Bag-Type Precision Filters. Our advanced filtration solutions are designed to meet the exacting needs of industries where precision and reliability are paramount. With a legacy of excellence in hydrometallurgy equipment, we bring you filtration technology that stands out for its efficiency, durability, and adaptability to challenging environments.
Our products combine cutting-edge design with superior materials to deliver exceptional performance across a wide range of applications. Whether you're in chemical processing, pharmaceutical manufacturing, or water treatment, our filters provide the purity and consistency your operations demand.
Product Introduction
The PTFE Bag-Type Precision Filter from Xi’an Lexin Technology Co., Ltd. is designed for high-efficiency liquid filtration in corrosive and demanding environments. Featuring a chemically inert PTFE filter bag and a robust shell made from stainless steel (SUS 304/316L/2205) or titanium, this filter ensures reliable performance in hydrometallurgical, chemical, and pharmaceutical processes.
With a filtration area ranging from 0.25 to 12 m² and configurations supporting 1 to 24 filter bags, the system accommodates various flow rates and operational needs. Its compact design, quick-change bag system, and optional thermal insulation make it easy to maintain and integrate into existing process lines.
Specifications
| Feature | Description |
|---|---|
| Product Features | Compact size, large filtration area, minimal side leakage risk, quick filter bag replacement |
| Equipment Shell Material | Stainless Steel (SUS 304 / SUS 316L / SUS 2205), Titanium (Optional PTFE internal coating) |
| Filter Bag Material | PTFE (Polytetrafluoroethylene) |
| Number of filter bag per Unit | 1-24 pcs (based on processing capacity) |
| Filtration Area | 0.25~12 m² |
| Working Pressure | 0.1~0.6 MPa |
| Optional | Insulation jacket |
Why Choose Our PTFE Bag-Type Precision Filter?
- Unparalleled chemical resistance for harsh environments
- Superior filtration efficiency with minimal pressure drop
- Easy maintenance and quick bag replacement for reduced downtime
- Customizable configurations to suit specific process requirements
- Robust construction ensures long-term reliability and performance
Product Display

Application Areas
Our PTFE Bag-Type Precision Filters excel in hydrometallurgical processes, including:
- Obtain crystalline products with higher purity
- Eliminate emulsification to preserve a clear organic-aqueous phase interface
- Waste treatment in metal recovery plants
- Purification of process liquids in rare earth element extraction
- Filtration of corrosive solutions in lithium and battery metal production
These versatile filters are also ideal for other industries requiring high-purity filtration, such as semiconductor manufacturing and specialty chemical production.
After-sales Service
At Xi'an Lexin Technology, we're committed to your success. Our comprehensive after-sales support includes:
- Warranty coverage for peace of mind
- Provide comprehensive operation training materials
- Rapid response technical support
- Regular maintenance checks and optimization advice
- Prompt supply of replacement parts and consumables

FAQ
Q: What makes PTFE an ideal material for bag filters?
A: PTFE offers exceptional chemical resistance, thermal stability, and non-stick properties, making it perfect for filtering aggressive fluids in demanding industrial processes.
Q: How often should I replace the filter bags?
A: Replacement frequency depends on your specific application and process conditions. We recommend monitoring differential pressure and conducting regular inspections to determine optimal replacement intervals.
Q: Can your products handle high-temperature applications?
A: Yes, our filters are designed to withstand elevated temperatures commonly encountered in hydrometallurgical processes, with PTFE material capable of handling temperatures up to 260°C (500°F).
Q: Are customized solutions available for unique filtration requirements?
A: Absolutely. We specialize in tailoring our products to meet specific process needs, including custom sizes, configurations, and materials.
Q: What is the typical lead time for a product order?
A: Lead times vary based on specifications and quantity. For standard models, we typically deliver within 4-6 weeks. Custom orders may take 8-10 weeks.
Contact Us
Ready to elevate your filtration processes with our PTFE Bag-Type Precision Filters? Contact our expert team today at xalexin-tech@outlook.com for personalized solutions and quotations.


















