| 摘要 |
<p>A forward channel (7) has a direct line opening within the range of a first face (4) of a housing (2), and branches through secondary arms (9,10) to connecting openings in a second face (5) of the housing. A valve (20,21) is arranged in each secondary arm while a valve rod (28,29) and a valve cock (32,33) are arranged outside of each secondary arm. The direct line opening, valve rods, and valve cocks are arranged on the first face. An independent claim is included for a combination of two valve mechanisms.</p> |
