Hailiang Access Valve for HVAC Systems – High-Quality Brass Charging Pin Valve Pipe Fittings
Product Description
The Hailiang Access Valve is an essential component for HVAC and air conditioning systems, designed for efficient refrigerant charging, discharging, and system maintenance. Manufactured from high-quality copper and brass materials, this charging pin valve ensures excellent durability, corrosion resistance, and leak-proof performance under high-pressure conditions.
Engineered for compatibility with common refrigerants such as R22, R410A, R134a, and R407C, this access valve offers reliable operation in residential, commercial, and industrial HVAC applications. Its precise threading and robust sealing cap provide maximum safety while preventing refrigerant leakage. Whether used for routine servicing, vacuuming, or pressure testing, the Hailiang access valve delivers consistent, professional-grade performance.
With easy installation and universal application, this valve is widely used as a spare part or replacement in a variety of air conditioning and refrigeration systems. Designed to meet international standards, it guarantees efficiency and long service life for HVAC technicians and system installers.
Product Advantages
- Made from premium brass and copper for strength, durability, and corrosion resistance
- Leak-proof sealing with protective threaded cap ensures safety during operation
- Compatible with multiple refrigerants (R22, R410A, R134a, R407C, etc.)
- High working pressure and temperature tolerance for professional HVAC use
- Suitable for refrigerant charging, vacuuming, discharging, and pressure testing
- Reliable spare part for a wide range of HVAC and air conditioning systems
Installation Instructions
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Identify the refrigerant line where the access valve will be installed.
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Weld or braze the valve securely into the pipeline.
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Ensure the valve is aligned properly to avoid leakage.
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Connect service tools (manifold gauge, charging hose, etc.) directly to the Schrader pin.
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After use, remove tools and tighten the cap to maintain a secure seal.
Our Services
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OEM/ODM customization available (sizes, packaging, branding)
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24/7 technical support for installation and usage guidance
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Fast delivery with secure export packaging
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Free samples available for quality testing (conditions apply)
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One-year warranty with guaranteed after-sales support
Product Attributes
| Attribute | Details |
|---|---|
| Material | High-quality copper & brass |
| Sizes Available | 1/4", 3/8", 1/2", 5/8" (customizable) |
| Connection Type | Brazed / Welded / Flare connection |
| Application | HVAC, Air Conditioning, Refrigeration systems |
| Refrigerant Compatibility | R22, R410A, R134a, R407C, and others |
| Working Pressure | Up to 500 psi (varies by size) |
| Temperature Range | -40℃ to +120℃ |
| Sealing | Schrader valve core with protective threaded cap |
| Standards / Certification | ISO, CE, RoHS compliant |
| MOQ | 10–50 pcs (negotiable for bulk orders) |
| Warranty | 1 year |
| Packaging | Standard export package, customizable available |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.