Patent ID: 8047234
Filing Date: 2011-11-01
Classification: F15B,Y10T

Abstract:
1. A valve apparatus comprising: a plurality of blocks having flow passages formed therein, wherein by connecting together side surfaces of each of the blocks so that the surfaces thereof mutually oppose one another, said flow passages of each of the blocks communicate with each other, and wherein a valve communicating with said flow passages is installed internally in at least one of said plurality of blocks; a seal member gripped between respective connecting parts of each of said blocks, said seal member comprising a first seal portion fitted into a groove formed along an exterior shape of each side surface of the blocks between which the seal member is gripped, and a second seal portion disposed on an outer side of said first seal portion and abutting with an edge portion defining said exterior shape; and a cover detachably disposed on one side surface of the block in which said valve is installed, for closing an opening through which said valve is inserted and extracted, wherein said seal member is held in a state of being flush with or protruding with respect to outer surfaces of the blocks that are positioned on both sides of said seal member, and wherein a part of said second seal portion that contacts said cover is formed in a tapered shape that narrows in width toward an outer surface side thereof.