Diaphragm Vacuum Pumps Handle Air And Gases.
KNF Type N838 diaphragm vacuum pumps are offered in single- and multi-stage OEM installation models powered by AC, DC, or brushless DC (BLDC) motors. Their exclusive and patented multi-port valve system and structured molded diaphragm contribute to high performance, increased flow and efficiency, and reliability in service.
The pumps can satisfy a wide range of high-capacity applications, including medical therapeutic devices and diagnostic equipment, ideal for both suction and positive pressure devices. Their closed and durable compressor housing is designed to minimize noise (and an optional silencer can be specified for applications requiring extremely quiet operation).
These N838 pumps exhibit high pneumatic capacity and can achieve flow rates up to 42 LPM per head under atmospheric conditions, ultimate vacuum of 100 mbar abs. (27 in. Hg), and maximum continuous pressure of 7 psig. The pumps operate oil-free to retain purity of the pumped medium.
Their patented multi-port valve system integrates a circular valve disk spanning several smaller holes (instead of one large hole) to minimize deformation from stress, resist damage from condensate, and promote enhanced flow and increased efficiency. The design of the patented FEA-designed structured molded diaphragm eliminates the metal clamping disk that can become a source for leakage or corrosion in conventional pump models.
Modular pump design offers OEMs the versatility to choose from a wide variety of standard materials, performances, voltages, frequencies, and accessories (including noise and dust filters, hose connectors, and shock mounts) to meet particular application demands.
Diaphragm Vacuum Pump Is Compact & Cool-Running
KNF N860 Series diaphragm vacuum pumps introduced solutions to sample, transfer, or evacuate air and gases. These compact and cool-running pumps have a patented structured diaphragm promoting optimized pneumatic performance and long service life. The pumps can suit a wide variety of process, laboratory, or OEM applications ranging from large-scale rotary evaporators and continuous/manifold filtration systems to process control sampling. Customization capabilities expand their application potential to many other areas.
These pumps feature as standard specially engineered multi-port valves to tolerate condensation without damage, perform oil-free transfer with uncontaminated flow and minimal maintenance, and run quietly with low vibration. They can achieve enhanced gas tightness with leak rates as low as 6 x 10-3 mbar L/s, deep vacuum potential of 2 mbar, and flows as high as 110 L/min.
Their modular design and available options enable easy customization to tailor pump to application. Pumps can be equipped with standard AC motors or explosion-proof AC versions for compliance with Class 1, Division 1, Groups C & D hazardous locations. Single- or doubled-headed pump options can also be specified. Wetted material choices range from economical aluminum heads and EPDM diaphragms to solid glass-filled PTFE heads and PTFE diaphragms, which offer higher resistance to corrosion and chemicals.
All N860 Series pumps are engineered to start reliably against vacuum, mount and operate in any installed position, and can be easily serviced in the field.
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