Views: 0 Author: Suofu Publish Time: 2026-06-18 Origin: Site
With the explosive growth of AI computing demand, liquid cooling technology is evolving from a "niche solution" to an industry necessity. According to projections by the GGII, the Chinese data center liquid cooling market will exceed RMB 70 billion in 2025. An increasing number of systems are adopting high-efficiency refrigerants such as Freon, fluorinated fluids, and CO₂ to improve heat dissipation efficiency. However, delivering these special media has become a major selection challenge for many system integrators.
Different cooling systems use various types of Freon and fluorinated fluids as refrigerants. These media generally share two core characteristics:
✅ Extremely low viscosity: Conventional coolants typically have viscosities ranging from 1 to several tens of cSt, while Freon and fluorinated fluids often have viscosities as low as 0.2 cSt. They offer almost no lubricity, which can easily lead to wear on pump components.
✅ Prone to evaporation and vaporization: These refrigerants have low boiling points. Once subcooling is lost, they can easily vaporize within the system. This is especially true after prolonged system shutdowns, when large amounts of gas accumulate at the pump inlet. Upon restart, the pump must operate under dry-running conditions—with no lubrication—to first expel the gas and then self-prime the liquid into the pump.
Industry statistics indicate that over 50% of refrigerant pump failures stem from compatibility issues between the medium and the pump:
Traditional pumps lack dry-run capability, making them prone to wear and failure during gas purging on startup.
Insufficient self-priming ability prevents the pump from drawing volatile liquids into the pump body.
Many pump materials are incompatible with fluorine-based media, leading to corrosion and leakage over time.
To address the challenges of conveying low-viscosity, volatile refrigerants, the Suofu NP series micro magnetic gear pump has been comprehensively optimized in terms of materials, structure, and manufacturing processes.
Exceptional Dry-Running Capability
Through specialized material combinations and optimized gear tooth profiles, all products in the NP series can run dry for up to one hour at specified speeds without any additional wear, easily handling the gas-purging conditions during startup.
Suofu Gear Pump Dry RunningTest Table
Powerful Self-Priming Ability
A specially designed pump structure allows the pump to effortlessly self-prime volatile refrigerants into the pump chamber, maintaining stable operation even when there is some negative pressure at the inlet.
High Pressure Resistance
Designed for the high-pressure requirements of Freon systems, the NP pump can pressurize low-viscosity Freon liquids up to 20 bar for long-term, stable operation, fully meeting the system's pressure demands.
Comprehensive Performance Testing
Every pump undergoes pressure and leak testing before delivery.
Currently, the Suofu NP series micro magnetic gear pump has been successfully adapted for use with CO₂, traditional Freons such as R134a, R410, R141b, R245fa, R1233zd, R1234ze, and various 3M fluorinated fluid systems, covering the vast majority of refrigerant types used in liquid cooling systems.
✅ High-precision temperature control systems in advanced precision chillers
✅ Medium circulation in micro-channel liquid cooling for AI servers
✅ High-density cooling systems in distributed computing centers
✅ Precision temperature control systems for semiconductor equipment
✅ Liquid cooling systems for space-based computing centers
✅ Cable liquid cooling systems for ultra-fast charging stations
✅ Phase-change liquid cooling systems
✅ Liquid metal cooling systems
Precision Temperature Control Systems for Semiconductor Equipment | Liquid Cooling Systems for Space-Based Computing Centers | High-Precision Temperature Control Systems for Advanced Precision Chillers | Medium Circulation in Micro-Channel Liquid Cooling for AI Servers
⚙ Suofu Recommendation – NP190 Micro Magnetic Gear Pump
For data center liquid cooling needs, Suofu recommends the NP100 with a 100W DC motor, the NP190 with a 100W canned motor, and the NP350 with a 300W canned motor. These models are specifically designed for low-viscosity refrigerant delivery, covering the medium transport requirements of standard liquid cooling systems. They offer reliable performance, excellent cost-effectiveness, and provide a liquid cooling delivery solution with dry-run capability, strong self-priming, and high-pressure resistance.
