Matches in DBpedia 2016-04 for { ?s ?p "A Larner–Johnson valve is a mechanism used in dams and water pumping to control the flow of water through large pipes. It was manufactured in the early 20th century by the Larner-Johnson Company in the by Blackhall Engineering Ltd. These valves have been constructed in sizes up to 21 feet (6.4 m) diameter and controlling a hydraulic head of 1,000 feet (300 m).In 2009, Blackhall Engineering supplied four 60\" bore Larner–Johnson valves to New York City Department of Environmental Protection for the Ashokan Reservoir in upstate New York. Each valve is capable of passing a flow rate of 19 cubic metres/second, which is the equivalent of 19 tons of water per second. The valves control the flow of water out of the Ashokan Reservoir into the Catskill Aqueduct down to New York City."@en }
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- Larner–Johnson_valve abstract "A Larner–Johnson valve is a mechanism used in dams and water pumping to control the flow of water through large pipes. It was manufactured in the early 20th century by the Larner-Johnson Company in the by Blackhall Engineering Ltd. These valves have been constructed in sizes up to 21 feet (6.4 m) diameter and controlling a hydraulic head of 1,000 feet (300 m).In 2009, Blackhall Engineering supplied four 60\" bore Larner–Johnson valves to New York City Department of Environmental Protection for the Ashokan Reservoir in upstate New York. Each valve is capable of passing a flow rate of 19 cubic metres/second, which is the equivalent of 19 tons of water per second. The valves control the flow of water out of the Ashokan Reservoir into the Catskill Aqueduct down to New York City.".