| 摘要 |
<p>The device has a valve body (2) comprising a forward valve, a pressure relief valve and a check valve that are provided in a housing, and a coupling element for connecting a pressure gauge i.e. manometer. A side surface of the valve body has a borehole with an internal thread (3) for receiving the coupling element with direct entry to a grease chamber, where the coupling element is built into the valve body. The coupling element is screwed or firmly integrated into the valve body. A lock nut (5) is fixed at the pressure relief valve by a metal positioning pin (4).</p> |
