| 摘要 |
PURPOSE: A coaxial screen type strainer is provided to efficiently discharge foreign materials by automatically operating a draining valve in correspondence to the pressure change of fluid. CONSTITUTION: A coaxial screen type strainer includes a pipe part(204), an inlet side fastening flange(203), an outlet side fastening flange(205), a coaxial screen(210), a strainer fastening part(211), and a draining valve(213). The pipe part is arranged between an introducing pipe and a discharging pipe. The inlet side fastening flange combines the introducing pipe and one side of an extended pipe part. The outlet side fastening flange fastens the discharging pipe and the extended pipe part. The coaxial screen is integrated with the inner part of the inlet side fastening flange. The strainer fastening part fastens the end part of the coaxial screen and a draining pipe(212). The draining valve is in connection with the draining pipe.
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