| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: cutoff valve consists of body 1 with inlet cavity 2, outlet cavity 3 and end face cavity 4, movable bush gate 7 spring-loaded in the direction from the seat, spring chamber 5 and pilot valve 12 interacting therewith. Cap 8 is provided at the end face of movable bush gate 7. Outlet cavity 3 is provided with hole 11 to interact spring chamber 5 through pilot valve 12. ^ EFFECT: possibility of automatic operation when replacing compressible medium with non-compressible one. ^ 1 dwg |
