Propeller nozzle

propeller nozzle
propeller nozzle
propeller nozzle
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CJR can offer ducted propellers systems including any type nozzles (19A, 37, 22, custom shape, etc) and impellers (Kaplan type, modified Kaplan, custom type) also under full IACS approval. This type of propulsion found popular application on tug boats, mooring vessels, harbour service boats, trawling and fishing boats or bow/stern thrusters. CJR custom design can assure highest bollard pull and towing performance for given power and operating condition. Ducted propellers and nozzles can be designed and analysed using specific in-house lifting surface programs and CFD to assure highest efficiency of the entire system. MANUFACTURING Impellers and ducted propellers manufacture process is identical to CJR Propellers. Nozzles can be fabricated of mild steel, stainless steel, aluminium or cast in bronze or inject mould in glass/plastic. INSTALLATION For keyed hub-shaft connections CJR offer a hydraulic pusher/ puller for quick and simple coupling and propeller attachment as well as Propsmith, a mechanical system for easy propeller fitting and removal. Keyless shaft-hub connections can be serviced by hydraulic fit equipment also available at CJR.


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.