| 摘要 |
FIELD: pipelines. ^ SUBSTANCE: device has sample-taking pipe with locking valve and body with packing gland, mounted on pipeline. Sample-taking pipe is added with flexible armored hose with bushing of ferromagnetic at input. Portion of pipeline in zone of sample-taking device is made of diamagnetic material or paramagnetic material and on outer side is added with constant magnet with possible free movement along pipeline perimeter. Packing gland is made in form of end insert. ^ EFFECT: higher efficiency. ^ 1 dwg
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