Hailiang Copper Y-Branch Pipe Fittings – Disperse System Joints for VRF/VRV Air Conditioning (FQ01A–FQ05)
Product Description
The Hailiang Copper Y-Branch Pipe Fittings are designed for VRF and VRV air conditioning systems, ensuring efficient refrigerant distribution between the main line and multiple branch lines. With precise engineering and premium copper material, these Y-branch joints guarantee smooth refrigerant flow, energy efficiency, and reliable system performance.
This series covers models FQ01A, FQ01B, FQ02, FQ03, FQ04, and FQ05, making it suitable for a wide range of system capacities. Whether for residential complexes, commercial buildings, shopping centers, or industrial HVAC installations, Hailiang branch pipes are trusted by professionals worldwide for their durability, safety, and high compatibility.
By adopting seamless copper construction with excellent thermal conductivity and corrosion resistance, these fittings deliver long-lasting performance and help maintain stable operation of multi-connected indoor units in large-scale HVAC projects.
Product Advantages
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High-purity copper material for strength, heat transfer, and long service life.
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Smooth refrigerant distribution for balanced cooling and heating efficiency.
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Compatible with VRV/VRF systems – models FQ01A to FQ05.
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Leak-proof and pressure-resistant design, tested for safety.
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Supports energy-saving HVAC operation by optimizing refrigerant flow.
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Widely used in residential, commercial, and industrial air conditioning projects.
Installation Instructions
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Select the correct Y-branch model (FQ01A–FQ05) based on system specifications.
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Cut and prepare the copper piping with clean, smooth edges.
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Connect the main and branch pipes to the Y-branch fitting using brazing/welding techniques.
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Perform a leak and pressure test to ensure proper sealing.
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Complete vacuuming and refrigerant charging according to the HVAC manufacturer’s guidelines.
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Run the system and verify stable refrigerant supply to all indoor units.
Our Services
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OEM & ODM support for branding, size customization, and packaging.
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Factory-direct supply with competitive pricing.
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Certified quality (ISO, CE, RoHS) for international HVAC standards.
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Fast delivery with safe export packaging.
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Technical guidance for HVAC installation teams and contractors.
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24/7 after-sales service for global customers.
Product Attributes
| Attribute |
Details |
| Product Name |
Hailiang Copper Y-Branch Pipe Fittings – Disperse System Joints |
| Model Compatibility |
FQ01A, FQ01B, FQ02, FQ03, FQ04, FQ05 |
| Material |
High-Purity Copper |
| Type |
Y-Shape Branch Joint (Refnet Joint) |
| Application |
VRF/VRV Air Conditioning Refrigerant Distribution |
| Features |
Smooth Refrigerant Flow, Leak-Proof, Pressure-Resistant, Durable |
| Installation Method |
Brazing / Welding |
| Certification |
ISO / CE / RoHS |
| Usage |
Commercial, Residential, Industrial HVAC Projects |
Frequently Asked Questions
Q1: When will you arrange the delivery?
A: Generally 1-2 weeks after the payment, and we will continually inform customer the goods carriage status, until you receive the goods.
Q2: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q3: Can we get the some technological training?
A: Our company provide the complete technological training, including: installation, use and maintenance.
Q4: How long is your products warranty?
A: The products of our lifetime for you to provide maintenance, one year warranty, Courier fees to pay half, after a year of maintenance fees shall be borne by the buyers.
Q5: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
