| 摘要 |
<p>A valve (10) for use in a fluid treatment system for control the flow of flu id between a source and a treatment media disposed in a treatment chamber has a housing (12) having an inlet (18), and outlet (20) and a passageway (16) in fluid communication between the inlet (18) and outlet (20). The tank (50) al so has a sealing member (36) configured to reciprocate in the housing (12) between a first position and a second position. The housing (12) also has a containment chamber (28) for retaining the sealing member (36) in the first position out of the flow of fluid in the passageway (16).</p> |
