| 摘要 |
<p>A device includes a pressure regulator comprising a body including a control chamber adapted to connect to a portable pressure vessel filled with compressed CO 2 via an inlet coupling, the control chamber having a threaded stepped diameter passageway, a relief valve, and a pressure gauge, a valve, a cap including a handwheel, and a pressure adjustment assembly including a resilient sealing disk, a disc, a thumbtack member, a fastener for securing the thumbtack member and the sealing disk together, and a spring biased between the sealing disk and the disc; a housing for partially enclosing the pressure regulator with the handwheel, the pressure gauge, and an outlet coupling being exposed; and a hanging member pivotably secured onto the housing.</p> |
