FIELD: machine building.
SUBSTANCE: check valve with axial flow direction includes an external body with inlet and outlet channels. In inner cavity of the body there arranged is an annular seat with contact conical surface, a rigidly fixed fairing installed so that an annular channel is formed and provided with a shutoff member arranged in its inner cavity and rigidly fixed in it through a stock. The shutoff member has a sealing surface in the form of a sphere part. The stock moves along the flow axis in sliding bearings. A sliding bearing is located in an aligning support assembly consisting of two sleeves. Sleeves are located inside each other and have eccentricity of their internal holes.
EFFECT: increasing the valve tightness by providing coincidence of axes of sealing surfaces of a shutoff member and a seat owing to improving the valve assembly accuracy.
6 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CHECK VALVE WITH AXIAL DIRECTION OF FLOW | 2008 |
|
RU2378552C2 |
| BACK VALVE WITH AXIAL DIRECTION OF FLOW (VERSIONS) | 2006 |
|
RU2417335C2 |
| AXISYMMETRIC CHECK VALVE WITH UPPER JOINT | 2011 |
|
RU2509246C2 |
| CHECK VALVE WITH AXIAL DIRECTION OF FLOW | 2005 |
|
RU2313713C2 |
| AXISYMMETRIC CHECK VALVE WITH UPPER FLANGED JOINT | 2012 |
|
RU2509245C2 |
| CHECK VALVE WITH AXIAL DIRECTION OF FLOW | 2002 |
|
RU2230965C2 |
| RETURN VALVE FOR DRILLING STRING | 2016 |
|
RU2632079C1 |
| RETURN VALVE | 2016 |
|
RU2641146C2 |
| DEVICE FOR INTRODUCING LIQUID REAGENTS INTO PIPELINE | 2016 |
|
RU2636356C1 |
| REGULATING DIRECT VALVE | 2016 |
|
RU2619435C1 |
