| 摘要 |
A valve housing 7 comprises a main body section 8 having first and second ends 10, 19 and a first channel connecting the first and second ends. A first attachment arrangement 11 is located towards the first end 10 of the main body section 8 and a second attachment arrangement 28 is located towards the second end 19 of the main body section. A valve arrangement 29 is located at least partially within the main body section 8 and has a second channel which is substantially surrounded by the first channel. The first attachment arrangement 11 may be attached to an attachment member that is substantially identical to the second attachment arrangement 28. |
