| 摘要 |
A three-pressure unit of brake control valve of railway vehicle consists of a housing, a main mobile partition with stock, with sealing elements located on it, which partition separates the working cavity from valve cavity formed with the housing, in which a spring is located, balancing mobile partition with internal seat and with two disks, on which the sealing elements are located and which form with the housing an interdisk cavity. Check valve separates the channel, which is connected to the brake line, from the channel, which is connected to the spare tanks and with the cavity formed by external surface of the stock and by sealing elements located on it and by the housing. |
