20L/Day Small Integrated Liquid Nitrogen Generator with Stirling Cold Head High Purity Psa Nitrogen Liquefaction System

20L/Day Small Integrated Liquid Nitrogen Generator with Stirling Cold Head High Purity Psa Nitrogen Liquefaction System. High Purity Customization: LN2 purity adjustable from 95% to 99.99% to meet specific application needs. Flexible Color Options: Housing color customizable beyond standard industrial gray and white. Remote Monitoring Control: WiFi/4G enabled for remote start/stop and real-time diagnostic monitoring. One-Touch Operation: Touchscreen interface with English UI for simplified one-click extraction. Auto Refill System: Automatic start/stop and refilling when liquid level drops below set point. Advanced Refrigeration: Utilizes imported BOCK compressors with eco-friendly mixed refrigerant. Oil-Free Air Supply: Built-in oil-free variable frequency air compressor ensures pure nitrogen. Comprehensive Safety: Dual safety valves, temperature alarms, and four-stage filtration system.