Our distributor network provides application and system design assistance. The heavy-duty air end design has proven itself consistently since Oil-free air is required to prevent product contamination during manufacturing.

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Kobelco KNW Series air-cooled models include a thermostatic mixing valve to insure proper oil temperature in changing ambient temperatures. Operations include controlled kna starting and stopping, pressure control, and protection from conditions that could damage the compressor.

A universal communication module is also available to handle virtually any Ethernet or Serial driver. We recommend compressor service personnel who have 6 months to 1 year of experience with the Kobelco KNW Series compressors. Kobelco KNW Series water-cooled models feature highly efficient, removable, copper tube bundles. An audible alarm is provided for alarm annunciation.

Messages are sent to direct the operator for service, pre-alarms, and alarms, and will be shown when necessary. This should be of interest to companies who own and operate a Kobelco KNW Series oil-free rotary screw compressor and are responsible for maintaining their compressed air system.

Rotors, shafts and khw housing have a PTFE coating for corrosion and wear resistance. April and September Sign up for our newsletter!

The powder coating is applied to the base, frame and enclosure.

Kobelco KNW Series – Rogers Machinery

Highly Efficient Cooling System. Air, Oil and Water Flow Circuits.

VFD control provides a narrow system pressure band, reduces inrush at start-up, and allows more frequent stops and starts. Lubrication prior to start up, during operation and shutdown is supplied by an independent motor-driven gear pump.


Other finishes are available for extreme environments. A filter change notice is indicated on the HMI. They can be designed according to customer preference. Fixed speed, also known as load-unload, provides energy-efficient operation during loaded and unloaded operation.

Owner Maintenance and Service Training | Kobelco KNW Series

We look forward to having you attend! The Kobeloc KNW Series oil-free rotary screw air compressor uses an Allen Bradley programmable controller to control and monitor compressor operation.

Thrust balance pistons on each stage provide maximum air kobdlco life. Held Sunday from 8: VFD control becomes less energy efficient compared to fixed speed when operated at the upper end of speed range. The design increases gear and bearing life and is not offered on competitive models.

Internal turbulators provide optimum heat transfer with minimal pressure drop.

kkbelco Shells are made of carbon or optional stainless steel with an ASME stamp. The labyrinth type seal used on the drive end ensures leak-free operation. Competitors use an overhung design. Understand compressor air, oil and water circuits Understand engineering data sheets Understand and identify components of the air compressor Rebuild a capacity control valve referencing the rebuild manual Perform an annual maintenance on a Kobelco KNW Series compressor Change out a water-cooled heat exchanger tube bundle Troubleshoot common mechanical problems Navigate HMI with simulators, access set point screens via password Understand basic electrical troubleshooting Perform start up procedures Who Should Attend: Required settings for okbelco control, temperature alarms, and control time delays are viewable and may be modified using the touch screen.

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These files can then be opened using Microsoft Excel. Pressure and temperature trends are also on the HMI. Oil Filter with Differential Indicator. Owner Maintenance and Service Training. A lunch stop is made in the popular Hood River area.

Water-cooled models include a thermostatic valve on the intercooler and an automatic shut-off valve on the cooling water inlet. This finish is chip and corrosion resistant and keeps the compressor looking new throughout its lifetime. Air Filter Element with pre-filter. Competitors use carbon rings with single vents and no thrust balance. Leak-Free Fittings on Oil Circuit.

Kobelco KNW Series Oil-Free Rotary Screw Air Compressors

The heavy-duty air end design has proven itself consistently since around the world in demanding applications. The stainless steel, non wearing air and oil seals with dual vents to atmosphere, assure oil-free air. Both provide the ability to download data loggers, alarm history, compressor status report, and the daily report from the HMI. Fixed Speed or VFD. kobeldo

This course is designed for KNW compressor service personnel who are responsible for maintenance and equipment repair.