| 摘要 |
PROBLEM TO BE SOLVED: To obtain a system and a method for cleaning instrument piping, capable of cleaning instrument piping while reliably maintaining the monitoring of a processing state by the instrument piping, and eliminating the need for works of removing and filling of a processing fluid in the instrument piping during cleaning.SOLUTION: A system for cleaning instrument piping for leading a processing fluid to a measuring instrument 2 from processing piping 1 via first and second automatic valves 6a, 6b includes: cleaning piping 8 connected to the first automatic valve; and draining piping 10 connected to the second automatic valve. The system for cleaning instrument piping includes doubled instrument piping 3a, 3b between the first and second automatic valves. |
