| 摘要 |
The unit comprises a shut-off and regulating valve (1) followed by a pneumatically- or solenoid-operated stop valve (2). The valves are in a common body (3), their respective ports (4,5) being spaced apart in it. A housing section (9) is inserted in the stop-valve port (5) and secured detachably to the body via a bayonet coupling (20,21). This section serves as a support for an actuating mechanism (11), typically a pilot valve for the stop valve. This is mounted on the housing, preferably by sliding into position. There can be an annular protrusion (40) on the housing section, on the outside of which a number of fixing lugs (17) are formed. Locking devices can be provided on the protrusion, detachably securing a valve membrane (11). |
