PFEIFFER D-35614 PKR 251 Vacuum Valve

The PFEIFFER D-35614 PKR 251 Vacuum Valve is a high-precision vacuum system component designed for use in advanced industrial vacuum measurement and control applications. It belongs to the Pfeiffer vacuum technology product family and is widely applied in semiconductor equipment, coating systems, laboratory vacuum environments, and industrial process systems requiring stable pressure regulation and vacuum integrity.The D-35614 PKR 251 vacuum valve assembly (D-35614) is engineered to ensure reliable vacuum isolation and controlled pressure transition within vacuum lines. It supports stable operation in both low and high vacuum environments, helping maintain system cleanliness and preventing unwanted gas backflow.Although often associated with the PKR 251 FullRange gauge system, the D-35614 configuration is commonly referenced as part of Pfeiffer's vacuum control and measurement ecosystem, ensuring accurate system response and long-term operational stability in demanding industrial environments.

Model: D-35614 PKR 251
Product Type: Vacuum valve / vacuum system component (system-integrated)
Series: Pfeiffer Vacuum PKR / FullRange system
Measurement Range: 0 to 251 mbar
Accuracy: +/- 0.5% of reading
Pressure Measurement Compatibility: 5×10⁻⁹ to 1000 mbar system range support
Response Time: ≤ 10 seconds
Connection Type: KF / CF flange system compatibility
Operating Temperature: -20°C to +60°C (typical industrial vacuum system range)
Leak Tightness: High vacuum sealing design for low leakage operation
Control Type: Mechanical or system-integrated vacuum actuation
Installation Type: Inline vacuum pipeline installation
Maintenance Level: Low maintenance, long service life design
Operating Medium: Inert gases and clean vacuum environments

1. Semiconductor manufacturing equipment
   
2. Vacuum coating and deposition systems
3. Laboratory vacuum research systems
4. Industrial vacuum process control
5. Thin-film production systems
6. Precision instrumentation environments
7. High-vacuum industrial machinery

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• Ultra-High Vacuum Sealing:The D-35614 PKR 251 is a precision-engineered vacuum component designed to provide stable isolation and rigorous pressure control within high-performance systems. It is specifically optimized to ensure reliable sealing performance in ultra-high vacuum (UHV) applications, where maintaining system integrity is critical.
  
• Advanced System Integration:Designed for seamless compatibility with the broader Pfeiffer vacuum instrumentation ecosystem, the D-35614 PKR 251 allows for straightforward integration into automated measurement and control frameworks.
• Precision Pressure Management:The unit enables fine-tuned pressure management, allowing operators to achieve the exact vacuum levels necessary for high-fidelity scientific research and advanced industrial fabrication.
• Corrosion-Resistant Durability:Built with high-grade, corrosion-resistant materials, the D-35614 PKR 251 is engineered for long-term durability under continuous vacuum conditions.
• High-Integrity Leakage Control:The D-35614 PKR 251 is manufactured to meet the most stringent leakage standards, providing the high system integrity performance required for precision manufacturing.

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