FIELD: motors and pumps.
SUBSTANCE: invention relates to check valves. Valve includes a body, a locking element and a seat. In this case, the saddle is made in the form of a cup and is provided with at least one conical groove under the locking element. And in the conical groove radial holes are made for the passage of liquid. Locking element is made in the form of at least one elastic ring.
EFFECT: technical result is to increase the reliability and energy efficiency of submersible pumping equipment.
1 cl, 5 dwg
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|
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RU2553832C1 |
