Copper Access Valve Filter Drier Brass Cover for Refrigeration
As a key component of the copper maintenance valve filter drier, the brass cover mainly undertakes the functions of sealing, connection and maintenance operation, and is a core component to ensure the stability of the refrigeration system and the convenience of maintenance.
The Copper Access Valve Filter Drier with Brass Cover is a premium-quality component designed for refrigeration and air conditioning systems. It combines the functions of a filter drier with an integrated access valve, providing both moisture and acid removal while allowing system charging, pressure checks, and maintenance.
Made from high-purity copper with a durable brass protective cover, this filter drier ensures long-lasting reliability, corrosion resistance, and secure operation under high-pressure conditions. The compact design is suitable for installation in both commercial and residential refrigeration units, air conditioning systems, and other HVAC applications.
By effectively filtering out contaminants and absorbing moisture, the filter drier helps prevent blockages, improves system efficiency, and extends the service life of compressors and other refrigeration components. The brass access valve cover ensures safe and convenient service access while protecting the valve from damage or leaks.
Key features
1.High-strength Sealing: Made of brass (copper-zinc alloy), it is precisely processed to form a smooth sealing surface. When combined with the copper body, it achieves zero leakage in high-pressure environments, preventing refrigerant from escaping or outside air from infiltrating
2.Integrated Maintenance Interface: The interface design complies with industry-wide common standards and is compatible with mainstream maintenance tools, improving maintenance efficiency
3.Corrosion and Oxidation Resistance:The surface of the brass is nickel-plated or passivated. Its corrosion resistance is superior to that of ordinary copper materials. It can resist the long-term erosion of refrigerants (such as fluorine-containing compounds) and lubricating oil, extending the service life of components
4.Convenient Installation and Maintenance:It adopts threaded connections (such as straight pipe threads or tapered pipe threads), which can be quickly tightened and fixed to the copper body. Welding is not required during installation, reducing the risk of high-temperature operations. It supports individual disassembly for cleaning or replacement. When the maintenance interface is worn or the seal fails, the brass cover can be directly replaced without replacing the entire dryer, reducing maintenance costs.
Application Scenarios:
1.Household/Commercial Air Conditioners: The drying filter installed between the outdoor unit condenser and the indoor unit expansion valve facilitates regular maintenance.
2.Cold Storage/Cold Chain Equipment: It provides reliable sealing in high-pressure refrigeration pipelines and supports frequent maintenance operations (such as pressure monitoring of cold chain transportation equipment).
3.Industrial Refrigeration Systems: It is suitable for equipment such as large chillers and screw compressors, meeting the sealing and maintenance requirements under high-load working conditions.
Installation Instructions
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Confirm system compatibility and select the appropriate filter drier model.
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Cut and prepare the copper tubing, ensuring ends are clean and burr-free.
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Braze or connect the filter drier into the refrigeration line according to standard HVAC practices.
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Ensure the flow direction arrow on the filter drier matches the refrigerant flow.
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After installation, evacuate the system and check for leaks at all joints.
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Use the integrated access valve for system charging, pressure measurement, or servicing as required.
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Secure the brass cover after use to protect the valve.
Our Services
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Warranty: 1-year warranty on all refrigeration components.
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MOQ: Minimum order of 20 pieces.
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Packaging: Export-standard packaging, customizable OEM/ODM options available.
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Delivery: 7–20 days depending on order quantity.
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OEM/ODM Service: Custom logo, size, and packaging available.
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Technical Support: Installation guidance and after-sales assistance.
Product Attributes
| Attribute | Details |
| Product Name | Copper Access Valve Filter Drier with Brass Cover |
| Material | High-Purity Copper + Brass Cover |
| Function | Filter drier with integrated access valve for refrigeration systems |
| Application | Refrigeration, Air Conditioning, HVAC Systems |
| Features | Moisture & acid removal, contaminant filtration, leak-proof design |
| Valve Type | Access valve with protective brass cover |
| Connection Method | Copper tube connection / brazing |
| Durability | Corrosion-resistant, high-pressure performance |
| Warranty | 1 Year |
| MOQ | 20 Pieces |
| Packaging | Standard export carton / OEM customized |
| Lead Time | 7–20 Days |
| Service Options | OEM/ODM customization, technical support |
1.Can I get a sample?
Of course! We are happy to provide you with samples, you only need to pay the sample fee and shipping fee, and then after
confirming that our samples are the products and quality you want, we will waive the sample fees for you.
2.Do you give any guarantee to your products ?
Yes , we have 18months quality guarantee except for some fast moving parts ( such as filters, spark plug etc).
3. How long for delivery time after pay deposit?
1) For body parts product, it generally takes 15 days for production.
2) For suspension product, it generally takes 20-25 days for production.
3) For engine prodcuts, it generally takes 30 days for production.
4.What are your advantages?
Prompt reply and honest attitude.Delivery fast , Price advantage , Keep quality and do best service.
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