BURIED VALVE AND BURIED VALVE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a buried valve reducing the force applied to a flange part when a large load acts on a valve housing and preventing shortage of an insertion length from the lower end of the valve housing to an opening and closing operation part without increasing the installation depth of piping. SOLUTION: The buried valve 60 is installed below the valve housing 39. The flange part 63 composing a joint part to the piping of a connection counterpart is provided at the end of a flow passage formed in a valve casing. A valve element moving-in and out part where a valve element moves in and out of the flow passage is formed in the middle of the flow passage of the valve casing. A first distance D from a first flow passage axis 65 passing the valve element moving-in and out part to the uppermost part 63b in the vertical direction of the flange part 63 is set shorter than a second distance E which is the maximum distance from a second flow passage axis 66 passing a flow passage in the flange part 63 to the outer periphery of the flange part 63. COPYRIGHT: (C)2011,JPO&INPIT