| 摘要 |
<p>Valve for directing gas in a compressed gas desiccant drier system having two desiccant beds comprises a housing with inlet and outlet openings, a cylindrical chamber, a support for a rod axially aligned with a seat at one of the openings, and a piston mounted on the rod for isolating portions of the chamber from each other. A disc-like sealing member is mounted on the rod for engagement with the seat. The piston, rod and sealing member are selectively moved by introducing and exhausting fluid to and from the chamber portions.</p> |
