| 摘要 |
FIELD: machine building, testing machinery. ^ SUBSTANCE: proposed testing plant incorporates housing, stops, plugs with sealing elements, one of them being arranged to feed testing medium. The said plugs are made up of movable and fixed parts sealed with respect to each other. Note that fixed plug part envelopes movable part with its diameter exceeding that of sealing element fitted in the fixed part recess made on the opposite side of movable part and is provided with a channel communicating the inner space of tested object with the gap between the aforesaid parts. The sealing element rests upon the ring fitted in the plug fixed part recess. ^ EFFECT: improved objectivity of testing pipeline valves and accessories. ^ 2 cl, 5 dwg |
