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Help Center1/4 Inch Copper Pipe Filter Drier Strainer for Heat Pump Compressor Oil System
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As a trusted manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in producing high-quality filtration components for HVAC and refrigeration systems. Our 1/4 Inch Copper Pipe Filter Drier Strainer is engineered to protect heat pump compressors and oil systems from contaminants, ensuring long-term reliability and efficiency. With over two decades of experience and annual exports exceeding US$5 million, we deliver precision components that meet the demanding standards of global markets including North America, Europe, and Southeast Asia.
This filter drier is specifically designed for heat pump compressor oil systems, where clean oil is critical for lubricating moving parts and preventing wear. The compact 1/4-inch copper body integrates seamlessly into existing piping, while the internal filter element captures debris, sludge, and moisture that can compromise system performance. Below we detail the key features and technical specifications.
Key Features & Benefits
- High-Purity Copper Construction: Made from seamless copper tubing, offering excellent corrosion resistance and thermal conductivity for reliable operation in heat pump environments.
- Effective Filtration: Internal 100-mesh stainless steel screen (standard) removes particles as small as 150 microns, preventing clogging of compressor valves and oil passages.
- Moisture Removal: Contains a desiccant core (optional) that absorbs residual moisture, reducing the risk of acid formation and freeze-ups in the system.
- Compact 1/4-Inch Design: Fits standard copper tubing, ideal for tight spaces in residential, commercial, and industrial heat pump units.
- Versatile Connection Options: Available with solder (sweat) or flare connections to match your installation requirements.
- High Pressure Rating: Rated for working pressures up to 600 PSI, suitable for R410A, R32, and other common refrigerants used in heat pumps.
- Customizable Specifications: Mesh size, desiccant type, and overall dimensions can be tailored to meet specific OEM or aftermarket needs.
| Parameter | Value |
|---|---|
| Nominal Size | 1/4 inch (6.35 mm OD) |
| Overall Length | 80 mm (standard, customizable) |
| Filter Media | Stainless steel mesh (100 mesh standard) |
| Desiccant (Optional) | Molecular sieve 3A or 4A |
| Max Working Pressure | 600 PSI (41.4 bar) |
| Burst Pressure | ≥ 2400 PSI |
| Operating Temperature | -40°C to +120°C |
| Connection Type | Solder (sweat) or flare (optional) |
| Compatible Refrigerants | R410A, R32, R134a, R404A, etc. |
The 1/4 Inch Copper Pipe Filter Drier Strainer is manufactured using advanced CNC machining and quality control processes. Each unit undergoes pressure testing and dimensional inspection to ensure zero defects. Our factory, located in Hengshui, Hebei, China, operates with ISO 9001 quality management principles (internal standards, certification available upon request), ensuring consistent output for large-volume orders.
For heat pump systems, oil cleanliness directly impacts compressor lifespan. Installing this filter drier in the oil return line or at the compressor inlet prevents damage from brazing debris, metal filings, and moisture. The result is reduced maintenance costs, fewer system failures, and improved energy efficiency. Many of our clients in North America and Europe have reported a 30% increase in compressor service life after integrating our filters.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner for filtration solutions. We export to over 20 countries and regions, with annual export value between US$5 million and US$10 million. Our products are shipped from major ports: Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. We work closely with clients to provide custom packaging, labeling, and technical support. Contact us today for a quote or sample request – we are ready to support your heat pump compressor oil system needs.
Frequently Asked Questions
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Q: What is the primary function of this filter drier in a heat pump oil system?
A: It removes solid contaminants (metal particles, dirt) and moisture from the oil, protecting the compressor from wear, acid formation, and corrosion. -
Q: Can this filter be used with R410A or R32 refrigerants?
A: Yes, it is compatible with common refrigerants including R410A, R32, R134a, and R404A. The 600 PSI working pressure rating covers these applications. -
Q: Is the desiccant core replaceable or included?
A: The desiccant is optional and can be added upon request. Standard models are strainer-only, but we can integrate a moisture-absorbing core for combined filtration. -
Q: What connection types are available?
A: We offer both solder (sweat) and flare connections. Please specify your preference when ordering. Custom connection types are also possible. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 100 pieces for standard sizes, but we can accommodate smaller trial orders for new customers. Please inquire. -
Q: How do you ensure product quality?
A: Every unit is pressure-tested and visually inspected. We follow strict internal quality control procedures. Third-party testing is available upon request. -
Q: Can you customize the filter mesh size or dimensions?
A: Yes, we offer customization for mesh size (from 40 to 200 mesh), overall length, and desiccant type. Contact our sales team with your requirements. -
Q: What is the typical lead time?
A: For standard products, lead time is 15–20 days after order confirmation. Custom orders may require 25–30 days. We ship via sea, air, or express as needed.
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