Integrated DN50 (2″) Butterfly Valve Gaskets for Advanced Liquid Cooling
Product Detail
Data center infrastructure often involves a mix of international standards. Yokey’s DN50 series is engineered to bridge the gap between ISO/DIN (European) and ANSI (American) paradigms. By maintaining independent dynamic-shrinkage molds for both standards, we ensure a 1:1 geometric match for the specific manifolds and CDUs used in GB200 and next-gen AI rack architectures, preventing instantaneous seal detachment during pressure surges.
Key Features
Precision Torque Synchronization (±0.015mm): Our "Locked-Tolerance" manufacturing ensures that lip interference remains perfectly consistent. This prevents non-linear torque spikes in small-bore valves, protecting the compact, lightweight actuators common in rack-level cooling from stalling or thermal failure.
Peroxide-Cured Thermal Stability: Specifically formulated for long-term exposure to PG25 and deionized water. The peroxide-curing process creates high-energy C-C covalent bonds that resist "Plastic Creep" under constant thermal cycling (85∘C/185∘F), ensuring the seal maintains its interference fit for over 10,000 cycles.
Ra 0.2 Low-Friction Sealing Interface: The mirror-finish surface minimizes "Stick-Slip" friction during initial valve breakout. This allows for lower current draw from the control system and prevents the high-frequency power surges that degrade electronic motor windings over time.
PID-Controlled Thermal Consistency: Utilizing real-time heating power adjustment in our molds, we eliminate the 0.02mm expansion drift caused by minor temperature fluctuations. This ensures every gasket delivers the exact elastic modulus required for precise flow-rate feedback in automated loops.
0.05mm CNC-Engineered Micro-Vents: To ensure zero-leakage in high-pressure cooling manifolds, our micro-vented sealing ridges provide a geometrically perfect seat. This eradicates the microscopic air channels that can lead to "weeping" or signal-disturbing micro-leaks.
Liquid Cooling Applications
Coolant Distribution Units (CDU): Providing high-reliability flow control for primary and secondary loops where actuator downtime is not an option.
Rack-Level Manifolds: Ensuring consistent pressure distribution and bubble-tight sealing in high-density AI server nodes.
Precision Immersion Cooling: Specialized elastomer formulations compatible with dielectric fluids, maintaining seal integrity without contaminating the cooling medium.
Variable-Frequency Cooling Loops: Eliminating stall-protection events caused by torque fluctuations during high-frequency Variable Frequency Drive (VFD) operations.
Manufacturing & Quality Control Redlines
Engineering Certainty for Mission-Critical Infrastructure: Every Yokey DN50 gasket is treated as a precision module rather than a bulk commodity. We enforce three non-negotiable redlines for liquid cooling projects:
- Torque Signature Validation: 100% of mold batches are benchmarked against an "Actuator Leverage Profile" to ensure perfect compatibility with automated control systems.
- Compression Set Verification (ASTM): We verify molecular cross-linking through standardized recovery tests to guarantee that the gaskets won't thin or "fade" after years of static compression.
- Automated Optical Inspection (AOI): Utilizing high-resolution cameras to verify the 3D integrity of sealing lips, ensuring that no defect reaches your high-value compute racks.
Conclusion
Protecting a six-figure AI server node with a precision-engineered seal is the ultimate "Asset Insurance" strategy. Yokey’s DN50 series shifts procurement from price-per-piece bargaining to system-level certainty, acting as the definitive "Safety Gatekeeper" for the global liquid cooling industry.









