In-Line filter for UHP gas systems
An in-line filter is a critical component in ultra-high purity (UHP) gas systems. Filters are designed to retain particles and protect sensitive equipment from contamination. In semiconductor manufacturing, specialty gas distribution, and analytical applications, even microscopic particles can compromise performance and process stability.
What is an
In-line filter.
An in-line filter is a filtration device installed directly within a fluid line to remove particles and contaminants from the process stream. Unlike bulk filtration units, in-line filters are compact and positioned at strategic points within the system to provide localized protection.
In ultra-high purity gas systems, filters play a vital role in maintaining cleanliness standards by preventing particle migration downstream. A high purity gas filter typically consists of a stainless steel housing combined with a precision filter element designed for controlled micron-level retention.
By integrating in-line filtration into UHP systems, operators reduce contamination risks, protect expensive equipment, and maintain consistent process conditions.
Why choosing Flowlink
in-line filters.
Flowlink in-line filters are designed to meet the stringent requirements of ultra-high purity applications.
High-Efficiency particle filtration
Our in-line filters provide precise particle retention with defined micron ratings, ensuring removal of contaminants that could affect sensitive UHP processes.
Protection of critical UHP equipment
Installing an in-line filter upstream of MFCs, pressure regulators, valves, and other instrumentation helps prevent particle damage and performance degradation. This improves system reliability and extends equipment lifespan.
Minimal pressure drop
Flowlink in-line filters are engineered to maintain efficient flow characteristics while delivering effective filtration. Optimized internal design minimizes pressure drop across the filter.
High-purity materials & surface finish
Manufactured from high-grade stainless steel such as 316L, our stainless steel in-line filters feature controlled surface finishes to reduce particle shedding and support ultra-high purity standards.
Reliable & leak-tight construction
Each in-line filter assembly is designed for leak-tight performance. Helium leak testing ensures compatibility with critical UHP gas systems and guarantees safe operation.
Technical specifications of
our UHP filters.
Flowlink in-line filters are developed to meet the performance demands of high purity gas systems.
Materials
Constructed from 316L stainless steel with high chemical compatibility and corrosion resistance. All wetted materials are selected for use in ultra-high purity environments.
Filtration rating
Available in multiple micron ratings to match specific particle retention requirements. Precise filtration levels ensure effective contamination control in sensitive applications.
Pressure ratings
Designed for high-pressure gas distribution systems, our in-line filters maintain structural integrity under demanding operating conditions.
Temperature range
Suitable for a wide range of operating temperatures typically encountered in UHP gas and chemical processes.
Helium leak-rate
Each in-line filter is helium leak tested to verify sealing integrity and compliance with ultra-high purity standards.
Connection options
Available with various high-purity connection types to ensure seamless integration into existing gas systems.
Applications of In-Line filters
in UHP systems.
In-line filters are widely used across industries requiring strict contamination control and stable gas delivery.
Typical applications include:
- Semiconductor manufacturing processes
- Specialty and high-purity gas distribution systems
- Chemical delivery lines
- Analytical and laboratory instrumentation
- Protection of valves, pressure regulators, and flow control devices
- Integration in vacuum systems such as vacuum pumps
By incorporating UHP filters into these systems, operators maintain process purity and improve overall reliability.
Other ranges of
UHP valves.
Flowlink specializes in the design of standard or custom UHP valves :
- Diaphragm valves
- Bellows valves
- Metering valves
- valve manifolds
- Check valves
We also provides accessories and fittings.
FAQ about
In-Line filters.
What micron rating is suitable for UHP gas systems ?
The appropriate micron rating depends on the application and required cleanliness level. Ultra-high purity systems often require fine particle retention to prevent contamination of downstream equipment.
Are in-line filters necessary in ultra-high purity applications ?
In-line filters are essential in UHP systems to control particle contamination and ensure consistent process performance.