| 摘要 |
FIELD: machine building.SUBSTANCE: in the instrument module pressurisation and blowdown device consisting of a blowdown valve with a connected pipeline, which is fixed on the module housing, and a check valve, the blowdown valve body is additionally provided with a removable pressurisation valve forming together with a ground attaching device an instrument compartment pressurisation channel. On side surface of the blowdown valve body there are openings forming together with an end opening and the ground attaching blowdown device two separate channels of simultaneous supply and discharge of blowdown gas.EFFECT: invention simplifies the design of the instrument module pressurisation and blowdown device.3 cl, 4 dwg |
