PTFE Membrane Coated Fiber Filter Element for Pharmaceutical Liquid Filtration, 0.2μm, 304 Stainless Steel Housing
Product Spotlights
Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with annual export value exceeding US$5 million. Our PTFE Membrane Coated Fiber Filter Element with 304 Stainless Steel Housing is designed specifically for high-purity pharmaceutical liquid filtration at 0.2μm precision. This product combines advanced membrane technology with robust construction, ensuring exceptional filtration efficiency, chemical compatibility, and long service life. Discover how our filter element can optimize your liquid filtration processes and meet stringent industry requirements.
Product Overview
Our PTFE (Polytetrafluoroethylene) membrane coated fiber filter element features a microporous membrane layer that provides absolute retention of particles down to 0.2μm, making it ideal for sterile filtration, bioburden control, and clarification of pharmaceutical liquids such as injectables, vaccines, buffers, and intermediates. The 304 stainless steel housing offers excellent corrosion resistance, durability, and easy cleaning, while the fiber core enhances mechanical strength and flow distribution. This filter element is a reliable solution for critical pharmaceutical applications.
| Parameter | Specification |
| Filtration Rating | 0.2 μm absolute |
| Membrane Material | PTFE (hydrophobic/hydrophilic optional) |
| Support Layer | Polypropylene or polyester fiber |
| Housing Material | 304 Stainless Steel |
| Maximum Operating Temperature | 80°C (176°F) |
| Maximum Differential Pressure | 0.6 MPa (87 psi) at 25°C |
| Effective Filtration Area | 0.5 – 0.8 m² per 10-inch element |
| Available Lengths | 10, 20, 30, 40 inches (customizable) |
| Seal Options | Silicone, EPDM, Viton (O-ring or gasket) |
| Compliance | Meets USP Class VI biological reactivity standards (available upon request) |
Key Features & Benefits
- High Filtration Efficiency: The PTFE membrane provides absolute retention of particles, bacteria, and microorganisms at 0.2μm, ensuring sterile filtration for pharmaceutical liquids.
- Chemical Compatibility: PTFE is inert to most acids, bases, and organic solvents, making this filter element suitable for aggressive pharmaceutical formulations.
- Low Extractables: The membrane and support materials are designed to minimize leachables, maintaining product purity and meeting regulatory expectations.
- Durable 304 Stainless Steel Housing: Provides excellent mechanical strength, corrosion resistance, and easy sanitization via autoclaving or CIP (Clean-in-Place) processes.
- High Flow Rate & Long Service Life: The fiber core enhances flow distribution, reducing pressure drop and extending the filtration cycle.
- Customizable Options: Available in various lengths, end cap configurations, and seal materials to fit standard housings.
- Hydrophobic or Hydrophilic Membrane: Choose the appropriate membrane wettability for your liquid: hydrophobic for air/gas venting or solvent filtration, hydrophilic for aqueous solutions.
Applications in Pharmaceutical Industry
- Sterile filtration of injectables, ophthalmics, and parenteral solutions.
- Bioburden reduction for buffers, media, and process water.
- Clarification of fermentation broths, vaccines, and blood products.
- Filtration of intermediates, APIs, and solvents.
- Vent filters for bioreactors, tanks, and incubators.
Quality Assurance & Trust — Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer of filtration products. We export to over 20 countries across North America, Europe, Asia, and Africa, with annual export value between US$5 million and US$10 million. Our commitment to quality is reflected in our rigorous testing procedures, including bubble point tests, integrity tests, and particle challenge tests. Each filter element is individually inspected before shipping. We offer customization services and technical support to ensure optimal performance in your specific process. Contact us today to request a sample, discuss your requirements, or place an order. Experience the Boli difference — precision filtration built on decades of expertise.
Frequently Asked Questions
-
Q: What is the main advantage of using PTFE membrane over other materials?
A: PTFE offers exceptional chemical resistance, wide pH tolerance (0-14), and low extractables. It is also hydrophobic, making it ideal for venting applications and filtration of organic solvents. -
Q: Can this filter element be sterilized or reused?
A: Yes, the 304 stainless steel housing allows for multiple sterilization cycles (autoclaving at 121°C for 30 minutes). The PTFE membrane can withstand repeated steam sterilization, but the element's lifespan depends on the process conditions. -
Q: Is the 0.2μm rating absolute or nominal?
A: Our PTFE membrane filter element provides absolute retention of 0.2μm particles, meaning it captures all particles larger than 0.2μm with high efficiency, suitable for sterile filtration. -
Q: What seal materials are available, and how do I choose?
A: We offer silicone (general purpose, low toxicity), EPDM (good for steam and water), and Viton (best for high temperature and chemical resistance). The choice depends on your fluid chemistry and temperature. -
Q: Can I get this filter element in hydrophilic version?
A: Yes, we can provide PTFE membrane with hydrophilic treatment for aqueous solutions. Please specify your requirement when ordering. -
Q: What is the typical flow rate for a 10-inch element?
A: Flow rate varies with viscosity and pressure; typical clean water flow at 0.1 MPa differential pressure is approximately 10-15 L/min for a 10-inch element. Contact us for a detailed sizing. -
Q: Does the product comply with pharmaceutical regulations?
A: Our filter element meets USP Class VI biological reactivity standards for plastics. We can provide validation guides and certificates upon request. -
Q: What is the minimum order quantity?
A: For standard sizes, MOQ is 10 pieces. Customized orders may require a higher MOQ; please consult our sales team for details.
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