The Barnant Company 400-3912 is a compact, powerful, and oil-free laboratory vacuum and pressure pump designed for the reliable generation of vacuum and positive pressure. It is ideally suited for professional applications in laboratories, research, analytical testing, sample preparation, and industrial quality control.
Featuring separate vacuum and pressure ports, the pump offers versatile operation. With a maximum flow rate of 9.2 L/min, a maximum vacuum of approximately −721 mbar, and a maximum positive pressure of 2.41 bar, it provides a reliable solution for various laboratory processes.
Its robust construction, integrated thermal overload protection, and double electrical insulation ensure safe and reliable operation. The offered unit is in good, well-maintained condition.
Technical Specifications
-
Manufacturer: Barnant Company
-
Model: 400-3912
-
Device Type: Oil-free laboratory vacuum and pressure pump
-
Pump Technology: Oil-free piston pump
-
Maximum Vacuum: 21.3 inHg
-
Maximum Negative Pressure: Approx. −721 mbar (gauge)
-
Ultimate Pressure: Approx. 292 mbar (absolute)
-
Maximum Flow Rate: 9.2 L/min (0.32 CFM)
-
Maximum Positive Pressure: 2.41 bar (35 psi), intermittent operation
-
Continuous Operating Pressure: 0.69 bar (10 psi)
-
Connections: Separate vacuum and pressure ports, ¼ inch (6.35 mm)
-
Operating Voltage: 230 V AC
-
Frequency: 50 Hz
-
Rated Current: 0.6 A
-
Maximum Ambient Temperature: 40 °C
-
Thermal Overload Protection: Integrated
-
Protection Class: II (double insulated)
-
CE Marking: Present
-
Condition: Good, well maintained
Key Features and Benefits
-
Combined Vacuum and Pressure Function: Versatile applications with a single device
-
Oil-Free Pump Technology: Clean operation without lubricating oil
-
High Performance: Flow rate up to 9.2 L/min and maximum vacuum of −721 mbar
-
Separate Connections: Flexible use for vacuum and pressure applications
-
Integrated Safety Features: Thermal overload protection and double insulation
-
Compact Design: Space-saving and easy to integrate into laboratory workstations
Applications
The Barnant 400-3912 is particularly suitable for:
-
Laboratory Filtration: Vacuum-assisted filtration processes
-
Sample Preparation: Generation of vacuum and positive pressure
-
Research and Development: Experimental laboratory setups
-
Laboratory Analysis: General vacuum and pressure applications
-
Industry and Quality Control: Technical testing and laboratory processes
Condition and Quality
The Barnant Company 400-3912 is in good, well-maintained condition and presents a clean, well-preserved overall appearance.
Thanks to its oil-free pump technology, combined vacuum and pressure functionality, and robust construction, it offers a reliable and cost-effective solution for professional laboratory applications.
Its good overall condition makes this versatile laboratory pump an attractive choice for laboratories, research institutions, and industrial users.
