| 摘要 |
The invention relates to a slide valve (200) comprising: a body (201) having a through-duct (202) for the passage of a fluid, the flow rate of which is to be controlled, at least one gate (203) slidably mounted inside said body (201), crosswise to said duct (202), and partially or completely closing off said duct (202), said gate (203) being movable between a position in which the duct is partially or completely closed off and a position in which the duct is open, in which the following are defined as portions subject to erosion: portions of the body that delimit the duct (202), at least one portion of said at least one gate (203) located across the duct (202) when said at least one gate partially or completely closes off said duct, characterized in that at least said portions subject to erosion are made of metal covered with a layer of ceramic material or are entirely made of ceramic material. |
