Ball valve with handle locking mechanism

作者： Giuseppe Pettinaroli

DOI:

关键词: Four-way valve 、 Control engineering 、 Valve guide 、 Ball valve 、 Mechanical engineering 、 Lever 、 Butterfly valve 、 Globe valve 、 Needle valve 、 Closed position 、 Engineering

摘要: A ball valve of the type comprising a body including chamber having inlet and outlet ports, rotatable element disposed within chamber, defining conduit communicating with ports. The is actuated by control lever to rotate between first open position second closed valve; manually operable lock provided retain in those positions at least one intermediate operative position.