Product Description
The Refrigeration Parts Welding Copper Filter Drier is a key component designed to ensure the cleanliness, dryness, and long-term reliability of refrigeration and air-conditioning systems.
Made with a high-purity copper shell and filled with premium molecular sieve desiccant, this filter drier effectively removes moisture, acid, and impurities from the refrigerant circuit to protect compressors, valves, and other sensitive components.
Its welding connection design guarantees a secure, leak-proof seal, making it an ideal solution for household refrigerators, commercial cold storage, air-conditioning units, and heat pump systems.
Product Features & Advantages
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All-Copper Construction – High-strength copper body offers excellent corrosion resistance and thermal conductivity for reliable performance.
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High-Efficiency Filtration – Molecular sieve core efficiently absorbs moisture and filters out dirt, ensuring refrigerant purity.
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Acid Neutralization – Prevents acid formation to protect compressors and extend system life.
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Secure Welding Design – Smooth copper ends allow for easy brazing and ensure a strong, leak-proof connection.
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Wide Refrigerant Compatibility – Suitable for R22, R134a, R404A, R410A, R32, R600a, R290, and other fluorinated or natural refrigerants.
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Versatile Application – Ideal for OEM production, system upgrades, and after-sales maintenance in refrigeration and HVAC systems.
Installation & Usage Guidelines
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System Preparation
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Evacuate and clean the refrigeration system before installation.
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Check the flow direction arrow on the drier to ensure correct positioning.
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Welding Process
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Insert the copper pipe into the system line and braze using standard refrigeration welding techniques.
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Use nitrogen during brazing to prevent internal oxidation and maintain system cleanliness.
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Final Testing
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Conduct a pressure leak test after welding.
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Replace the filter drier each time the system is opened for maintenance or refrigerant recharge.
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Product Specifications
| Attribute | Details |
|---|---|
| Product Name | Refrigeration Parts Welding Copper Filter Drier |
| Material | Seamless copper shell with molecular sieve core |
| Connection Type | Welding / brazing type |
| Filter Medium | High-capacity molecular sieve desiccant |
| Compatible Refrigerants | R22, R134a, R404A, R410A, R32, R600a, R290, etc. |
| Operating Temperature | -40°C to +80°C |
| Working Pressure | Up to 4.7 MPa |
| Available Sizes | 3g, 5g, 7g, 9g, 12g, 16g (custom sizes on request) |
| Applications | Refrigerators, freezers, commercial cold rooms, air conditioners, heat pumps |
| Packaging | Individual plastic bag and export-grade carton |
| Warranty | 12 months OEM/ODM service available |
Key Benefits
The Refrigeration Parts Welding Copper Filter Drier provides a highly reliable and durable solution for removing moisture, acids, and impurities from refrigeration circuits.
Its copper welding connection ensures a strong, leak-free installation while protecting key system components, making it a must-have part for refrigeration technicians, system manufacturers, and maintenance professionals seeking maximum efficiency and long-term system protection.