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Heat Exchangers & Oil Cooling


PTÖK series bellhousing with integrated cooler to suit IEC motors from 0.55kW to 22kW (ø200-ø350)
. Integrated damping to reduce noise and vibration. Can be installed vertically as well as horizontally.


Series EKM Shell/Tube oil cooler
Tube bundle with aluminium fins, providing up to 4 times greater cooling surface compared to a standard shell and tube cooler. Cooling capacity up to 230 kW. Extremely pressure resistant – (35 bar max). Removable end caps for easy cleaning of the water pipes. Optionally available with internal bypass valve (patented), as well as a seawater version.

Series UKTM Tube Bundle Oil Cooler
Tube bundle with aluminium fins. Extremely compact cooler for in-tank and top-tank mounting. Based on the EKM, with a very high performance range up to 29 m² heat exchange surface and 650 l/min oil volume. Designed for internal tank installation with minimum space and low piping requirement.

Series PWT Plate oil cooler
Soldered plate heat exchanger made of stainless steel. Compact and economical. Oil pressure up to 30 bar and oil flow rate from 25 to 3,000 l/min. Operating temperatures from - 100 to + 195°C. Also available with nickel soldering. Various installation fittings and isolations of PU hard foam.

Series LKI Oil air cooler
Oil air cooler for industrial use. Available in 10 different sizes. Block construction (max. operating pressure 16 bar). 1-way and 2-way. Available with SAE flange. Offshore version optional.

Series TFS/A Oil air cooler
Compact bypass-flow cooling unit. Combination of motor pump station and oil air cooler in a single unit that operates independently of the actual unit. Pump flange is connected directly to the motor. Extremely low-noise due to internal screw pump. Various installation positions possible. Available in 3 different sizes.


DOC series of brazed plate heat exchanger is characterised mainly by its enormous level of resilience making it the ideal heat exchanger for many applications in industrial hydraulics. 6 standard types, and 30 different sizes in total. Provides a maximum cooling capacity of 360kW at pressures up to 40bar. Many parts can be delivered from stock or on short lead times