Against the backdrop of surging AI computing power, high-density data center deployment and rapid development of the new energy industry, liquid cooling has become the mainstream choice for high-end equipment heat dissipation, thanks to its core advantages of high efficiency, energy conservation and low noise, which completely break the bottlenecks of traditional air cooling. As the critical hub of the entire liquid cooling circuit, the sealing performance, pressure resistance and compatibility of liquid cooling connectors directly determine the operational stability and service life of the cooling system.
With years of deep cultivation in the fluid connection field, Hongxiang Connector Co., Ltd. focuses on pain points across various liquid cooling scenarios and meticulously develops the BLC Series Liquid Cooling Connectors. This series features versatility, durability and cost-effectiveness, maintaining stable performance even under harsh heat dissipation conditions, compatible with mainstream liquid cooling architectures, and balancing standardization and customized flexibility. With robust specifications and reliable sealing performance, the BLC series has become the preferred fluid connection component in thermal management fields such as data centers, new energy storage, industrial lasers and supercomputing equipment.

The BLC Series is a precision quick-insert liquid cooling connector developed by Hongxiang exclusively for mainstream thermal management systems. Designed for easy installation and long-term reliability, it boasts stable sealing, strong pressure resistance and wide media compatibility, perfectly adapting to cold plate liquid cooling, indirect liquid cooling, circulating cooling and other architectures. It enables fast connection to server cold plates, water distributors, CDU cooling distribution units, battery thermal management modules, industrial cooling equipment and other components, effectively solving common problems in daily operation and maintenance such as cumbersome assembly, coolant leakage and premature component wear.
Below are the complete specifications of Hongxiang BLC Series liquid cooling connectors, covering all dimensions including model, size, material, performance and environmental adaptability, providing accurate and practical references for product selection and system integration.
|
Model |
Nominal Diameter (DN) |
Inch Size |
Applicable Flow Scenarios |
|
BLC-02 |
3.2mm |
1/8" |
Low-flow precision cooling, small electronic module cooling |
|
BLC-04 |
6.4mm |
1/4" |
Conventional server liquid cooling, small & medium-sized energy storage thermal management |
|
BLC-06 |
9.5mm |
3/8" |
High-power AI equipment, industrial lasers, supercomputer host cooling |
|
BLC-08 |
12.7mm |
1/2" |
Centralized liquid cooling units, large energy storage cabinet cooling |
|
Parameter Item |
Standard Value |
Notes |
|
Working Pressure |
0~1.2MPa (12bar) |
Adapt to circulating conditions of conventional liquid cooling systems, stable operation |
|
Burst Pressure |
≥2.5MPa (25bar) |
Reserved safety margin, eliminating risks of pipe burst and leakage |
|
Operating Temperature |
-30℃~+100℃ |
Wide temperature range adaptability, covering all conventional indoor & equipment room conditions |
|
Mechanical Life |
≥3000 Insertion/Removal Cycles |
Meet demands of frequent disassembly and long-term operation |
|
Sealing Performance |
Zero Leakage Under Normal/Pressurized Conditions |
Double shut-off structure, no coolant dripping during disconnection |
|
Salt Spray Test |
≥48h |
Rust and corrosion resistance, suitable for humid equipment room environments |
|
Component Name |
Standard Material |
Optional Material |
Core Advantages |
|
Connector Body |
Brass with Nickel Plating |
SUS304 Stainless Steel |
High strength, rust and wear resistance, thermal conductivity adapted to liquid cooling scenarios |
|
Seal |
EPDM |
NBR |
Resistant to coolant corrosion, durable sealing without aging |
|
Valve Spring |
Stainless Steel |
— |
Stable elasticity, ensuring tight sealing of valve closure |



3.1 Easy Installation, User-Friendly Operation
Adopting a quick-insert locking structure, connection and disassembly can be completed by hand without complex tools, greatly shortening assembly time, reducing labor costs, and suitable for batch deployment and rapid maintenance scenarios.
3.2 Zero-Leak Sealing, Full Safety Protection
Equipped with a double shut-off sealing design, tight and leak-free insertion, automatic media locking at the moment of disconnection, eliminating coolant overflow and potential safety hazards such as equipment short circuit and equipment room dampness, ensuring stable equipment operation.
3.3 Cost-Effective & Durable
Selected high-quality base materials balance performance and cost, with a plug life of more than 3000 cycles, corrosion and wear resistance, reducing later replacement frequency and full-life cycle operation costs, suitable for large-scale mass production projects.
3.4 Wide Scenario Compatibility, Flexible Adaptation
Multi-diameter specifications cover low to high flow demands, wide temperature and pressure resistance design adapts to most conventional liquid cooling conditions, and supports port and material customization to easily match connection needs of different equipment and systems.
As the core connection component of liquid cooling systems, the BLC Series liquid cooling connectors perfectly meet the demands of mainstream liquid cooling projects with its practical, reliable and cost-effective features. Hongxiang Connector always adheres to the bottom line of quality, supports customized development of the BLC Series, and provides full-process technical services from selection, design to after-sales, helping customers solve fluid connection problems and escorting the stable operation of liquid cooling systems.
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