FIELD: industry of building materials. SUBSTANCE: side ends of gate valve are bent at an angle to its surface in the direction opposite to the direction of movement of the material flowing through the gate. The valve moves along guides provided with grooves made in the form of the bent sides of the valve. In the course of movement the valve is supported by cylindrical rollers mounted along the guides on both the sides of the valve. EFFECT: improved reliability. 6 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| 0 |
|
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|
RU2014536C1 |
