








The CDU safety tests cover core items such as pressure resistance tests, over-pressure and leakage protection, and leakage detection, aiming to verify the safety protection capabilities of the CDU under extreme working conditions and fault modes.

Test Background
As the control center of the liquid cooling system, the CDU integrates pumps, heat exchangers, and electrical control units. It operates at high pressure and has a large electrical load. Its safety performance is directly related to the safety of personnel and equipment in the entire data center.
Test Introduction
The CDU safety tests cover core items such as pressure resistance tests, over-pressure and leakage protection, and leakage detection, aiming to verify the safety protection capabilities of the CDU under extreme working conditions and fault modes.
Testing Objectives
Verify the structural integrity of pressure-bearing components under high pressure
Ensure the reliable operation of electrical protection devices
Detect micro-leaks and issue timely alarms
Meet the requirements of UL/EN/IEC safety certifications
Test Standards
T/CESA 1249.3-2023 Technical specification for cooling capacity distribution units
EN/UL 62368-1 Safety standard
GB/T 42880-2023 Data center safety specification
Applicable Products/Related Fields
Suitable for various types of liquid-cooled data center CDUs, rack-mounted CDUs, cabinet-type CDUs, and cold-station CDUs.
Test Content
Pressure test: Hold the pressure at 1.5 times the working pressure for 6 hours without leakage
Over-pressure protection test: The pressure relief valve opens in response when the pressure exceeds the limit
Leakage protection test: The circuit breaker acts when simulating electric leakage
Leakage detection test: Verify the sensitivity of the built-in liquid leakage sensor
Project Advantages
Capable of simulating simultaneous triggering of multiple fault modes
High-precision real-time pressure and current monitoring
Provides safety margin evaluation and certification support
Laboratory Configuration
Hydraulic pressure test system (0-5 MPa)
Safety comprehensive analyzer
Leakage simulation test platform
Real-time data acquisition system
FAQ
Q: How should the opening pressure of the CDU safety valve be set?
A: It is usually set to 1.15 times the rated working pressure to ensure timely pressure relief in case of over-pressure while avoiding false actions.