The Ando AP9925 is a handheld, oil-free diaphragm vacuum pump engineered for laboratory analytical and experimental work. It delivers adjustable vacuum control across 0–80 kPa with 25 L/min free-air capability, making it suitable for chromatography support and filtration systems requiring both high flow rates and pressure handling. The pump operates from AC 220V/50Hz or 110V/60Hz at 120 VA, housed in a compact 269 mm × 210 mm × 155 mm envelope weighing 7.3 kg.
– Technical Specifications
• Type: Handheld, Oil-Free Diaphragm Vacuum Pump
• Vacuum Range: 0–80 kPa (adjustable)
• Maximum Pressure: 20 psi
• Free-Air Flow Rate: 25 L/min
• Power Supply: AC 220V/50Hz or AC 110V/60Hz
• Power Consumption: 120 VA
• Dimensions: 269 mm (L) × 210 mm (W) × 155 mm (H)
• Shipping Weight: 7.3 kg
– Key Features
• Teflon and PTFE resin construction resists corrosion and extends operational life
• Dual positive and negative connectors enable integration across diverse laboratory setups
• Pressure adjustment knob provides precise control of vacuum levels during operation
• Oil-free design eliminates contamination risk in sensitive analytical procedures
– Typical Applications
• Medicinal product analysis
• Chemical engineering processes
• Biochemical pharmacy work
• Food examination and quality control
• Forensic analysis
• High-accuracy chromatography apparatus support
– Compatibility & Integration
The dual connector configuration supports integration with filter systems and chromatographic instrumentation that require both positive pressure and vacuum control. The adjustable pressure range accommodates varied flow requirements across standard laboratory filtration and analytical workflows.
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