| 摘要 |
A valve apparatus (10) comprises a housing (12) defining a flowpath (14) extending between a valve inlet (1) and a valve outlet (2) and an access port (6) formed in a wall of the housing separately from the valve inlet (1) and the valve outlet (2) to provide access to the flowpath (14) at a location which is intermediate the valve inlet (1) and valve outlet (2). A valve mechanism (8) is mounted within the flowpath (14), wherein the valve mechanism (8) in insertable through the access port (6). |
