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Oceanographic Research Vessel

ORV Sagar Nidhi is an ice-strengthened multidisciplinary vessel operated by the National Institute of Ocean Technology, India. Constructed in 2007 by Fincantieri in Italy, the 5050 tons vessel has diesel-electric propulsion equipped with a dynamic positioning system, azimuth thrusters. Walton valves were supplied for use on the ship’s fresh water cooling system.

The vessel has a winch to hoist 60 tonnes from a depth of 6,000 metres, and is designed with blue-water capability with ranges of up to 10,000 nautical miles (19,000 km) for voyages lasting up to 45 days. She supports geo-scientific, meteorological and oceanographic research in the Indian and Antarctic Oceans and is used for deep sea mining, launching of ROV’s, AUV’s, manned and unmanned submersibles.

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