PIG TYPE TRANSFER PIPING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a pig type transfer piping device which has a braking device of pig releasing cover in order to prevent an unexpected accident when the pig is collected from a pig catcher or pig launcher.SOLUTION: The pig type transfer piping device includes a pig releasing cover driving device 40 with an opening/closing handle 43 for opening/closing a pig releasing cover 30, wherein the pig releasing cover driving device 40 has a braking device 50 which makes a rotating operation of the opening/closing handle 43 impossible until a driving air supplying of automatic valve stops.