Kallt™ "Chillingly Efficient" oil coolers for Industrial Strength applications. Offering best value for refrigeration compressors and general industrial oil cooling. The Kallt range features high-density tube bundles and a proprietary bypass resistant baffle design. Kallt range from Flotech provides a robust oil cooling solution in a compact package, at a competitive price.
- Design Pressure: 30 bar(g)
- Design Temperature: -29°C to +100°C
- Size range: Diameter – 150 NB, length to 6m

HPR Series heat exchangers - designed especially for water-cooled oil cooling. Bolted type construction. This range is ideal for high-specification industrial refrigeration compressors, hydraulic and heavy-duty oil cooling applications. The HPR design features stainless steel tubes, compatible with ammonia and treated/raw water. Options include: duplex alloy construction for salt or brackish water; brass, cupro-nickel and other tube material selections.
- Available "off the shelf" 150 & 200 NB, up to 3m long
- Design Pressure: 20 bar(g)
- Design Temperature: -29°C to +214°C
- Size range 80 thru 300 NB, length to 6m

WPR Series - designed for thermosyphon oil cooling, especially ammonia service, but may also be used for other refrigerants. Construction - fully welded, all carbon steel including tubes, ensuring no possibility of refrigerant leaks. Slightly lower cost than water-cooled HPR series.
- Available "off the shelf" 150 & 200 NB, up to 3m long
- Design Pressure: 22 bar(g)
- Design Temperature: 0°C to +100°C
- Size range 80 thru 250 NB, length to 6m