Design and manufacturing of heat exchangers and propulsion systems for commercial- and pleasure crafts.Blokland Non Ferro has over 50 years of experience in marine technology. As a major supplier for new buildings and refit projects to shipyards, shipowners and engine suppliers, the company produces a full range of high quality products in its own, well-equipped factory in Sliedrecht.Blokland produces the well-known standard oil coolers, as well as sophisticated, custom built, box coolers. And from expansion tanks to special bottom-mounted coolers, These products are made from high quality materials to the strictest specifications, with the shortest possible delivery time and are supplied worldwide through a professional network of agencies.Rudder- and Propulsion systems with open and closed stern tubes, providing water or grease lubrication, are manufactured in-house, to tight specifications, using awarded Blokland components and systems, as EasyStern®propeller shaft systems, Easy Turn bearings, Axiseals, Blokflex couplings etc. and supplied worldwide to yacht and workboat builders.To facilitate a life cycle optimization of equipment, Blokland operates a repair and cleaning service for propulsion and cooling systems and equipment. With dedicated chemical- and ultrasonic cleaning facilities and a workshop for re-tubing and re-coating of coolers, cost-effective lifetime extension is offered as a professional service.