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Help CenterPorous Sintered Metal Filter for Pharmaceutical Filtration, 0.5 Micron, 316L, Sanitary Tri-Clamp
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer with over 25 years of experience (since 1998) in producing high-quality filtration solutions. Our Porous Sintered Metal Filter for Pharmaceutical Filtration, 0.5 Micron, 316L, Sanitary Tri-Clamp is engineered to meet the rigorous demands of the pharmaceutical industry. Crafted from premium 316L stainless steel and featuring a precise 0.5 micron rating, this filter delivers exceptional particle retention while maintaining high flow rates. The sanitary tri-clamp connection ensures easy installation, cleaning, and compliance with hygienic standards. Whether you need sterile filtration, bulk drug purification, or final product polishing, our sintered metal filter offers a durable, reusable, and cost-effective solution.
As a factory-direct supplier with an annual export value exceeding US$5 million, we serve markets across North America, South America, Europe, Asia, and beyond. Our commitment to quality and customization makes us the preferred partner for pharmaceutical manufacturers worldwide. Below, we detail the technical specifications, advantages, and benefits of this product.
Key Features & Technical Specifications
- Material: 316L stainless steel – excellent corrosion resistance, biocompatibility, and suitability for clean-in-place (CIP) and steam-in-place (SIP) processes.
- Filtration Rating: 0.5 micron absolute – ensures removal of particles, bacteria, and contaminants for pharmaceutical-grade purity.
- Connection: Sanitary tri-clamp (1.5" to 4" standard sizes, other sizes customizable) – leak-proof, easy to disassemble and sterilize.
- Structure: Porous sintered metal matrix – high mechanical strength, backwashable, and long service life compared to disposable filters.
- Operating Conditions: Designed for pressures up to 30 bar (optional higher) and temperatures from -20°C to 300°C (optional extensions).
- Surface Finish: Electropolished to Ra ≤ 0.8 μm, minimizing particle adhesion and facilitating cleaning.
Technical Parameters (Typical Table)
| Parameter | Value | Notes |
|---|---|---|
| Filtration Area | Customizable (e.g., 0.1 m² – 2.0 m²) | Based on disc diameter or element length |
| Porosity | 30% – 50% | Controlled during sintering process |
| Bubble Point (min) | ≥ 0.8 bar (for 0.5 micron) | Integrity test standard |
| Maximum Differential Pressure | 30 bar at 25°C | Higher temperature reduces rating |
| Compliance | FDA 21 CFR 177 (on request), meets USP Class VI | Certificates available upon request |
| Standard Sizes | 1.5" Tri-Clamp: 50mm disc; 2" Tri-Clamp: 70mm disc; 3" Tri-Clamp: 100mm disc; 4" Tri-Clamp: 150mm disc | Custom lengths/elements available |
Detailed Advantages & Customer Benefits
- Superior Durability: Unlike disposable membrane filters, our sintered metal filter can be cleaned and reused hundreds of times, reducing operational costs and waste.
- High Flow Rate: The porous structure offers a high void volume, minimizing pressure drop while maintaining excellent retention – ideal for viscous pharmaceutical fluids.
- Chemical & Thermal Resistance: 316L stainless steel withstands aggressive solvents, steam sterilization, and high-temperature CIP cycles without degradation.
- Sanitary Design: Tri-clamp connections ensure no dead legs, smooth surfaces, and easy validation – critical for cGMP compliance.
- Consistent Performance: Each filter is bubble-point tested to ensure absolute pore size integrity, guaranteeing reproducible filtration results batch after batch.
- Customization Options: We offer custom diameters, lengths, filtration ratings (0.2 – 100 microns), and end fittings (flange, threaded, etc.) to match your existing equipment.
- Backwashable: The rigid metal matrix allows reverse flushing to dislodge trapped particles, extending filter life and reducing downtime.
In the pharmaceutical industry, product purity and process reliability are non-negotiable. Our 0.5 micron sintered metal filter is specifically designed to meet these challenges. For example, in active pharmaceutical ingredient (API) recovery, the filter removes catalysts and fine particles while allowing high-value product to pass. In sterile filtration of injectables, the 0.5 micron rating provides a robust pre-filter to protect downstream sterilizing-grade membranes. The sanitary tri-clamp format simplifies integration into existing skids and minimizes contamination risks.
Compared to woven wire mesh or non-woven depth filters, sintered metal filters offer a more uniform pore structure and higher mechanical strength. They are not prone to media migration, ensuring no foreign particles enter the final product. This is particularly critical for parenteral drugs and ophthalmic solutions.
Trust & Reliability – Why Choose Us?
Anping County Boli Hardware Wiremesh Products Factory has been a leader in woven wire mesh and sintered metal filtration since 1998. With an annual export value of US$5–10 million, we ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan. Our products are trusted by clients in North America, Europe, Southeast Asia, and beyond. We understand that pharmaceutical filtration requires absolute precision and traceability. That’s why we offer:
- Material traceability certificates (316L mill test reports available).
- Bubble point and flow curve testing for each batch.
- Custom packaging and labeling for cleanroom environments.
- Fast lead times (typically 15–25 working days after order confirmation).
- Technical support from our experienced engineers.
We invite you to experience the quality and performance of our porous sintered metal filters. Contact us today for a quote or to request a free sample – let us help you optimize your pharmaceutical filtration process with a reliable, cost-effective solution.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a sintered metal filter and a standard mesh filter?
A: Sintered metal filters are made by bonding metal powder or fibers under high temperature and pressure, creating a rigid porous structure. They have a more uniform pore distribution, higher strength, and can achieve finer filtration ratings (down to 0.2 micron) compared to woven mesh. They are also backwashable and more durable.
Q2: Can this filter be sterilized by autoclaving or steam-in-place?
A: Yes, the 316L stainless steel construction can withstand repeated steam sterilization at 134°C (or higher if required). The tri-clamp design allows easy removal for autoclaving. We recommend steam-in-place cycles not exceeding 30 minutes for optimal longevity.
Q3: Is the 0.5 micron rating absolute or nominal?
A: It is an absolute rating, meaning virtually all particles larger than 0.5 microns are retained. We perform bubble-point tests to confirm the integrity of each filter element.
Q4: What sizes are available for the tri-clamp connection?
A: Standard sizes include 1.5", 2", 3", and 4" tri-clamp. We also offer custom sizes and custom element lengths (e.g., 10", 20", 30") for housing applications. Please provide your requirements.
Q5: How do I clean the filter after use?
A: For pharmaceutical applications, we recommend a clean-in-place (CIP) procedure using hot water (80°C) and mild alkaline detergent, followed by rinsing with purified water. Ultrasonic cleaning is also effective. For stubborn fouling, backwashing with compressed air or a solvent can be used. Always consult our technical team for specific cleaning protocols.
Q6: Can you provide validation or compliance documentation?
A: Yes, we can provide material certificates, bubble-point test reports, and upon request, FDA or USP compliance documentation (additional fees may apply). Our filters are manufactured in a facility that follows ISO 9001 principles (certification available upon request).
Q7: What is the typical lifespan of a sintered metal filter?
A: The lifespan depends on the application and cleaning frequency. In many pharmaceutical processes, a well-maintained filter can last several years with proper cleaning. The absence of media migration and the ability to withstand harsh cleaning agents contribute to its long service life.
Q8: Do you offer free samples for testing?
A: Yes, we offer free samples for qualified customers. Please contact us with your application details and required size. We will evaluate your request and provide a sample for evaluation.
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