VALVE BODY COVER

摘要

PURPOSE: A valve body cover is provided to reduce the natural frequency by forming a plurality of round shape bids on the floor side toward the opening of a valve body cover. CONSTITUTION: A valve body cover(11) is formed to a regular square box type which has one side opened by a thin plate. A flange(11a) is formed to a vertical direction to the valve body cover along the edge of the opened one side of the valve body cover. A plurality of bolt binding holes(11b) are formed along a longitudinal direction of the flange. A plurality of round shape bids(12) are projected toward a floor side(11c) facing the opened one side of the valve body cover.