PFA Filter Housing for Ultra-Pure Chemical and Microelectronics Filtration
Product Description
High-Purity PFA Filter Housing
The PFA filter housing is designed for high-purity and highly corrosive liquid filtration where ordinary stainless steel or plastic housings may introduce contamination or have insufficient chemical resistance.
The housing is made from high-purity PFA material and is especially suitable for semiconductor, microelectronics, photovoltaic, pharmaceutical and high-purity chemical applications.
Compared with metal filter housings, a PFA housing contains no exposed metal in the wetted parts, helping reduce the risk of metal ion contamination. It is therefore commonly used in processes where liquid purity is critical.
The housing can be matched with different membrane filter cartridges such as PTFE, PFA, PES or other compatible high-purity cartridges according to the actual chemical and filtration requirement.
Where Is This PFA Filter Housing Used?
Semiconductor and Microelectronics
This is one of the most typical applications for PFA filter housings.
In semiconductor manufacturing, many process chemicals must remain extremely clean because even a very small amount of particles or metal ions can affect wafer quality.
The PFA housing can be installed in chemical delivery systems, wet benches, cleaning lines and chemical circulation systems to filter high-purity chemicals before they reach the production process.
Typical liquids include high-purity acids, alkalis and electronic-grade chemicals.
For example:
Chemical Storage Tank → Pump → PFA Filter Housing → Process Equipment
The filter housing acts as the final protection point before the chemical enters the wafer cleaning or other precision process.
High-Purity Chemical Filtration
PFA filter housings are suitable for filtration of aggressive chemicals where corrosion resistance is important.
Typical applications can include compatible acids, alkalis, solvents and high-purity process chemicals.
Unlike ordinary stainless steel housings, PFA has excellent resistance to a wide range of chemicals, making it suitable for demanding chemical environments.
Chemical compatibility should still be checked according to the exact chemical, concentration, temperature and pressure.
Photovoltaic and Solar Cell Manufacturing
In photovoltaic production, high-purity chemicals are also used in cleaning, etching and surface treatment processes.
PFA filter housings can be used to remove fine particles from these chemicals before they enter production equipment.
This helps reduce contamination and improve process stability.
Pharmaceutical and High-Purity Process Liquids
For pharmaceutical or biotechnology processes requiring non-metallic wetted parts, PFA housings can also be used for filtration of compatible high-purity liquids.
The main advantage is the combination of chemical resistance, cleanliness and low contamination risk.
Laboratory and Pilot Filtration Systems
Small PFA filter housings are also useful in laboratories, pilot lines and chemical testing systems.
They are suitable when only a small flow rate is required but the liquid is highly corrosive or purity requirements are very high.
Why Use a PFA Filter Housing?
The main reason for choosing PFA is not simply corrosion resistance. It is usually selected because the process needs both high chemical resistance and very low contamination.
In semiconductor and electronic chemical applications, even trace metal contamination can cause problems. Using a non-metallic PFA wetted structure helps reduce this risk.
PFA also has a very smooth internal surface, which helps reduce particle retention and makes the housing easier to rinse and clean.
Typical Filtration Process
A common installation method is:
Chemical Tank → Pump → PFA Filter Housing → High-Purity Process Equipment
In semiconductor applications, the housing may also be installed close to the point of use:
Chemical Supply System → PFA Filter Housing → Wet Bench or Wafer Process
Installing the filter close to the process point helps remove particles generated during chemical transfer and reduces the possibility of downstream contamination.
Technical Specifications
| Parameter |
Specification |
| Product Name |
PFA Filter Housing |
| Wetted Material |
PFA |
| Housing Type |
Non-Metallic High-Purity Filter Housing |
| Cartridge Configuration |
Single Cartridge or Customized |
| Compatible Filter Cartridge |
PTFE, PFA, PES or Customized |
| Filtration Rating |
According to Installed Cartridge |
| Connection |
Flare, Thread or Customized |
| Seal Material |
PFA, PTFE, FKM or Customized |
| Working Temperature |
According to Actual Design |
| Working Pressure |
According to Housing Design |
| Main Function |
High-Purity Chemical Filtration |
| Main Advantage |
Chemical Resistance and Low Contamination |
| Main Application |
Semiconductor, Microelectronics, Photovoltaic, Pharmaceutical, High-Purity Chemical |
Company Profile
Shanghai Pullner Filtration Technology Co.,LTD.
Since: 2013
Shanghai Pullner Filtration Technology Co., Ltd., established in 2013, is a professional manufacturer of filter cartridges and filtration solutions.
With a 15,000m2 production facility, 20+ production lines, advanced testing laboratories, and experienced R&D teams, Pullner provides high-performance filtration products for Microelectronics, Biopharmaceuticals, Food & Beverage, Petrochemical, Water Treatment, Power Generation, and other industries.
Certified with ISO 9001, ISO 14001, and ISO 45001, Pullner is committed to delivering reliable and innovative filtration solutions to customers worldwide.
Certifications
FAQ
Q1: What is the main difference between PES and PP filter cartridges?
PP cartridges are commonly used for pre-filtration and general particle removal. PES membrane cartridges provide finer and more stable filtration accuracy and are usually used at a later filtration stage.
Q2: Which micron rating should I choose?
It depends on the liquid and the required filtration result. For beverage clarification, 0.45 μm may be considered. For finer filtration, 0.22 μm or 0.1 μm may be selected. For high-purity water applications, 0.02 μm to 0.1 μm may be used depending on the process.
Q3: Can I install a 0.22 μm PES cartridge directly after raw water?
It is usually not recommended. If the feed water contains a high particle load, the membrane may block quickly. Pre-filtration is recommended before the PES cartridge.
Q4: Can this cartridge be used for beverage filtration?
Yes. PES membrane cartridges can be used for filtration of compatible beverages, alcohol and other aqueous liquids. The correct filtration rating and seal material should be selected according to the actual product.
Q5: How long can a PES membrane filter cartridge be used?
There is no fixed service life such as 6 or 12 months. Cartridge life depends on feed liquid quality, flow rate, filtration area, operating pressure and contamination load.
In actual operation, replacement is normally determined by increasing differential pressure, reduced flow rate or the customer's validated replacement cycle.
Q6: Can the size and connection be customized?
Yes. Cartridge length, filtration rating, end connection and sealing material can be selected according to the existing filter housing and operating conditions.
Q7: What information is needed for filter selection?
Please provide the liquid type, filtration accuracy, flow rate, operating temperature, pressure, cartridge length, end connection and current filtration process. Pullner can then recommend a more suitable filter configuration.
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