Kobelco KNW Series air compressor brochures and product information. The heavy-duty air end design has proven itself consistently since Oil-free rotary screw Kobelco KNW air compressors are used in a variety of.

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Also included is an SD memory card. Sign up for our newsletter! We are a world leader in oil-free, rotary-screw technology. The labyrinth type seal used on the drive end ensures leak-free operation. Standard air cooled heat exchangers. Oil-free air is needed for critical systems such as HVAC and lab air.

Highly Efficient Cooling System. We provide special packages for the rental market to meet demands of customers that have temporary or emergency needs for clean dry air.

Kobelco KNW Series air-cooled models include a thermostatic mixing valve to insure proper oil temperature in changing ambient temperatures. Rogers Machinery Company, Inc. Also, as control air for valves and cylinder operation.

Air is inside of the tubes and water is in the shell. The input bull gear is supported on each side.

Resources Contact us Articles Preventive maintenance Energy savings. The valve is a positive-closing disc type with orifices, using spring and air pressure to activate. Universal Module for communication with facility management system. This design includes a patented, high-efficiency super rotor profile and cooling jackets. The stainless steel, non wearing air and oil seals with dual vents to atmosphere, assure oil-free air. Oil-free air required for painting, air tools, transport systems and component testing.


The Kobelco KNW Series’ compressor air end is a heavy-duty, two-stage design in which both stages are driven by a common gear. These files can then be opened using Microsoft Excel. VFD control becomes less energy efficient compared to fixed speed when operated at the upper end of speed range. We provide nationwide parts and service support through our authorized distributor network.

These features are not found on competitive models. Simply stated, our KNW Series delivers percent oil-free air for all critical, specialized applications. This finish is chip and corrosion resistant and keeps the compressor looking new throughout its lifetime.

Push buttons are provided for specific control functions, allowing continued compressor operation in the event that the terminal is off-line.

Thrust balance pistons on each stage provide maximum air end life.

About | Kobelco KNW Series

Oil-free air prevents contamination of live cells. The Kobelco KNW Series can be custom built to sdries specifications and is also available as a standard design package. Leak-Free Fittings on Oil Circuit. Copper tubes with internal turbulators. The compressor will not operate until oil pressure is established.

Air Filter Element with pre-filter. The powder coating is applied to the base, frame and enclosure. Lubrication prior to start up, during operation and shutdown is supplied by an independent motor-driven gear pump. Internal turbulators provide optimum heat transfer with minimal pressure drop.

Competitors use carbon rings with single vents and no thrust balance. Shells are made of carbon or optional stainless steel with an ASME stamp. The compressor components are arranged in a single modular design, forming a surprisingly compact unit that is then mounted on vibration isolators to a structural steel base no special foundation required.


Required settings for pressure control, temperature alarms, and control time delays are viewable and may be modified using the touch screen. We also provide air system energy audits, air dryers, kobelci, receivers, and sequencers.

Kobelco KNW Series®

Other finishes are available for extreme environments. This Super Rotor design is why the Kobelco KNW Series is widely accepted as the most efficient two-stage, oil-free rotary screw air compressor on the market — not to mention that this novel new asymmetric rotor profile has the lowest power consumption per cubic foot of compressed air.

Air-cooled heat exchangers are made of heavy-duty aluminum with a special coating and are designed for all published operating conditions. Compressor Control and Monitoring. Because no oil is allowed in the compression chambers, the two-stage kobellco screw compressor is able to provide completely oil-free compressed air.

This includes blow molding. Messages are sent to direct the operator for service, pre-alarms, and alarms, and will be shown when necessary. Independent Motor-Driven Oil Pump.