VALVE-TYPE SELECTOR Russian patent published in 2003 - IPC

FIELD: gas, petrochemical and chemical industries. SUBSTANCE: invention relates to selector valves providing changing of gas or liquid flows and it can be used in any field of science and technique where regulated transfer of liquid and gas flows is used. Proposed valve-type selector contains with working member placed inside. Working member is secured on movable rod located in one of branch pipes. Sections of control pressure main lines are located on side walls of housing. Said main line sections are placed in communication with control member. Taps are provided on side of housing. Safety valves are installed on ends of taps. Gaseous medium supply main line is arranged on side surface. EFFECT: improved reliability and increased service life of equipment containing proposed valve-type selector owing to prevention of mechanical damage. 4 cl, 1 dwg