FIELD: machine building.
SUBSTANCE: non-return valve includes body, seat, actuating device in the form of disc with streamlined surface in the form of concave spherical segment. Segment is attached to the body by means of an axis. Axis is located perpendicular to longitudinal plane of the valve. Streamlined concave spherical segment is separated with a system of uniformly located longitudinal ribs.
EFFECT: excluding the disc vibrations caused by pressure fluctuation and increasing service life of non-return valve.
3 dwg
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|---|---|---|---|
| REVERSE SHATTER | 2017 |
|
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