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Hongxiang BLC Series Liquid Cooling Connectors: Durable Fluid Connection Solutions for Versatile Scenarios

Mar 18, 2026

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.

1. Core Positioning of BLC Series: Durable Leak-Proof Liquid Cooling Connectors for Versatile Deployment

1. Core Positioning of BLC Series: Durable Leak-Proof Liquid Cooling Connectors for Versatile Deployment

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.

2. Complete Specification Details of BLC Series (Clear Hardcore Data at a Glance)

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.

2.1 Basic Model and Nominal Diameter Specifications

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

 

2.2 Core Performance Parameters

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

2.3 Material and Sealing Configuration

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

  • 1. Core Positioning of BLC Series: Durable Leak-Proof Liquid Cooling Connectors for Versatile Deployment
  • 1. Core Positioning of BLC Series: Durable Leak-Proof Liquid Cooling Connectors for Versatile Deployment
  • 1. Core Positioning of BLC Series: Durable Leak-Proof Liquid Cooling Connectors for Versatile Deployment

2.4 Media and Certification Compatibility

  • Applicable Media: Deionized water, ethylene glycol aqueous solution, conventional coolants, mineral oil, etc.
  • Standards & Certifications: RoHS, CE Certification, IP65 Protection Grade
  • Connection Method: Quick-insert locking, customizable ports including thread, pagoda and other types

3. Core Advantages of BLC Series: Practicality & Stability First

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.

4. Multi-Scenario Applications

  • Data Centers / Conventional Servers: Adapt to cold plate connection of small and medium-sized computing equipment, stable heat dissipation, reducing maintenance difficulty;
  • New Energy Storage / Power Batteries: Used in battery pack thermal management circuits, vibration resistant and stable sealing, ensuring the safety of energy storage systems;
  • Industrial Control Equipment: Cooling for frequency converters, servo motors, industrial laser equipment, adapting to conventional workshop conditions;
  • Commercial Refrigeration / HVAC: Small circulating cooling systems, precision instrument heat dissipation, high versatility and flexible installation.

5. Selection Tips

  • Select nominal diameter according to system flow: BLC-02/04 for low-flow precision components, BLC-06/08 for high-flow high-power equipment;
  • Choose materials based on usage environment: brass nickel-plated version for conventional indoor equipment rooms, stainless steel version for humid/mildly corrosive environments;
  • Confirm that the coolant type matches the sealing material to ensure long-term durability of seals without failure.

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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