Nakatani Co Ltd
Nakatani KCM620 (Claw Type, Module Compatible, Built-in Inverter) Oil-free Vacuum Pump

Manufacturer: Nakatani Co., Ltd.
Model: KCM620
Features
High vacuum and high flow rate pump with improved energy saving performance
Industry’s first modular pump®
pump
Achieves unique efficient operation structure and full range operation
Two-stage claw rotor and auxiliary exhaust mechanism* enable full range operation from 0 to 100kPa
*Patented
Achieves continuous operation
at up to 100kPa despite being oil-free thanks to the two-stage (two-stage compression) design
Compact design saves space
The compact module design eliminates the need for maintenance space on the side, allowing for easy installation anywhere.
Compact design
Compact design
: Can be mounted on both sides of the wall.
Adoption of newly developed high-efficiency rotor Energy-saving pump structure that covers low to high vacuum Patent
Operates with optimal power at full range of vacuum (open ⇔ reached)
Exhaust structure to prevent overcompression
When the vacuum becomes high, air backflow occurs during the exhaust stroke, and this returned air becomes energy loss.
In the KCM series, a newly designed exhaust port reduces the volume just before exhaust opening, suppressing energy loss.
On the other hand, when opening, the amount of air increases, causing overcompression and increasing power consumption. An “auxiliary exhaust port” is provided to reduce power consumption.
Energy-saving pump structure
System image
To operate the KCM620, an ESB (Eco Speed Box/unit control/inverter control panel) is required. The ESB can control up to 5 units. Furthermore, by using the group controller “Eco Multi Box”, it can be expanded up to 25 units. (Custom order available)
Example: To operate three KCM620 units…
You will need to set up an ESB3300 system with the control mechanism for three KCM620 units.
Eco Speed Box
Example: Expansion using group controller
This allows for planned expansion according to investment budgets with an eye on the future, and shortens depreciation periods.
Eco Multi Box
Inverter control allows for significant energy savings even with the same degree of vacuum. This reduces running costs (electricity bills).
Easy operation with intelligent touch panel
Various settings and operating status can be checked visually and intuitively by touching the screen.
Intelligent touch panel
❶ Measured vacuum display
Digital vacuum display (1kPa unit)
❷ Set vacuum display
Easy to set vacuum digitally (1kPa unit)
❸ Operation mode display
❹ Operation load rate display
❺ Operation status display
❻ Alarm number display
❼ Pump start/stop time display
Applications
Consolidation of vacuum equipment (Central vacuum system)