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Help CenterHigh Pressure 500 PSI Strainer for Filter-Drier, 304 SS, 20 Micron, 1/4" ODF Solder
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Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of filtration components since 1998. With an annual export value exceeding US$5 million and a global footprint spanning North America, Europe, Southeast Asia, and beyond, we bring decades of expertise to every product we deliver. Our High Pressure 500 PSI Strainer for Filter-Drier is engineered to meet the rigorous demands of refrigeration and HVAC systems, providing reliable protection against contaminants while maintaining system efficiency. Crafted from premium 304 stainless steel with a 20-micron filtration rating and a 1/4" ODF solder connection, this strainer combines durability, precision, and ease of installation — a perfect choice for professionals seeking long-term performance.
Key Features & Technical Specifications
- High Pressure Rating: Designed to withstand up to 500 PSI, suitable for high-pressure refrigeration circuits and industrial applications.
- Premium Material: Constructed from 304 Stainless Steel — excellent corrosion resistance, long service life, and compatibility with multiple refrigerants.
- Filtration Precision: 20 Micron filter mesh effectively traps particles, debris, and contaminants, protecting downstream components like expansion valves and compressors.
- Standard Connection: 1/4" ODF (Oxygen-Free Copper) Solder end — easy to install with standard brazing techniques, ensuring leak-free joints.
- Versatile Application: Ideal for use in filter-driers, liquid lines, suction lines, and other refrigeration or air conditioning systems.
- Compact Design: Space-saving dimensions allow for installation in tight spaces without compromising flow capacity.
Product Parameters
| Parameter | Value |
| Material | 304 Stainless Steel (body & screen) |
| Maximum Working Pressure | 500 PSI (34.5 bar) |
| Filtration Rating | 20 Micron (nominal) |
| Connection Size | 1/4" ODF (solder type) |
| Operating Temperature Range | -40°F to 250°F (-40°C to 121°C) |
| Application | Filter-drier, liquid line, suction line (refrigeration & HVAC) |
Detailed Advantages for Your System
The combination of 304 stainless steel and 20-micron filtration offers a clear advantage over standard mesh strainers: it provides a robust barrier against fine particles while maintaining low pressure drop. In high-pressure systems (up to 500 PSI), this strainer ensures that contaminants like copper shavings, solder debris, and oxide scale are captured before they can damage sensitive components. The 1/4" ODF solder connection is a standard size in the industry, making it a direct replacement for many OEM and aftermarket filter-drier strainers. Installation is straightforward — simply braze with a suitable silver solder rod, and the unit is ready for service. Its compact body does not restrict flow, keeping the system efficient.
For service technicians and system designers, this strainer offers peace of mind. It reduces the risk of clogged expansion valves, stuck compressors, and premature system failures. The 304 stainless steel is resistant to corrosion from common refrigerants (R-134a, R-410A, R-22, etc.) and moisture, ensuring a long operational life even in demanding environments. Additionally, the 500 PSI rating provides a safety margin for most commercial and industrial refrigeration applications.
Trust & Credibility
As a manufacturer with over 25 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory has built a reputation for quality and reliability. We export US$5–10 million worth of filtration products annually to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. Every strainer is subject to rigorous quality checks before shipment, including pressure testing and mesh integrity inspection. We are committed to providing high-performance components that meet the expectations of refrigeration professionals.
Choose our High Pressure 500 PSI 304 SS 20 Micron Strainer for your next project — whether you’re servicing a supermarket rack system, a cold storage unit, or an industrial chiller. Contact us today for bulk pricing, custom specifications, or technical support. We look forward to being your long-term partner in filtration solutions.
Frequently Asked Questions
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Q: What is the maximum working pressure of this strainer?
A: It is rated for 500 PSI (34.5 bar) maximum working pressure, suitable for high-pressure refrigeration systems. -
Q: Can this strainer be used with R-410A refrigerant?
A: Yes, the 304 stainless steel construction is compatible with R-410A, R-134a, R-22, and many other common refrigerants. Always verify system pressure does not exceed 500 PSI. -
Q: Is the 20-micron mesh fine enough for filter-drier applications?
A: Yes, 20 micron provides a good balance between filtration efficiency and flow capacity. It captures most system debris while maintaining low pressure drop. -
Q: What type of solder should I use for installation?
A: A standard silver solder (e.g., 15% silver) or a phosphorus-copper alloy is recommended for brazing the 1/4" ODF connection. Ensure clean, fluxed surfaces for a leak-free joint. -
Q: Can this strainer be cleaned and reused?
A: The stainless steel mesh can be cleaned if accessible, but due to the soldered construction, it is designed as a disposable component. Replacing it during system maintenance is standard practice. -
Q: What is the operating temperature range?
A: The strainer can operate in temperatures from -40°F to 250°F (-40°C to 121°C), covering most refrigeration and HVAC conditions. -
Q: Do you offer custom sizes or different micron ratings?
A: Yes, we can customize connection sizes, micron ratings, and pressure ratings based on order quantity. Please contact our sales team for details. -
Q: How do I ensure the strainer won't restrict flow?
A: Our strainer is designed with an optimized flow area to minimize pressure drop. For most systems up to 500 PSI, the 1/4" ODF size provides adequate flow capacity.
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