The remote control butterfly valve of the Marine ballast water treatment system needs to have the regulating or opening/closing function.This paper summarizes the characteristics of electric,pneumatic,hydraulic and electro-hydraulic remote butterfly valve,such as working principle,advantages and disadvantages,etc.,so that can provide suggestions for the selection of remote control butterfly valves for ballast water treatment systems.Based on the butterfly valve frequent action,high regulating accuracy,low failure rate,low cost,easy installation and other aspects of consideration,it is recommended to choose pneumatic regulating butterfly valve.If only the switch function is required,pneumatic remote O/C butterfly valve,hydraulic remote O/C butterfly valve can be selected according to the actual situation of the ship.
关键词
电动遥控蝶阀/气动遥控蝶阀/液压遥控蝶阀/电液式遥控蝶阀
Key words
electric remote control butterfly valve/pneumatic remote control butterfly valve/hydraulic remote control butterfly valve/electrohydraulic remote control butterfly valve
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万方数据