| 摘要 |
A relief valve adapted for use with either a liquid or gaseous flow stream and comprising a body having a cage member secured thereto and housing all of the working elements of the valve, the cage member being readily removable from and engagable with the body for converting the valve from liquid to gas installations and also removable from the body without disturbing the installation of the valve in a flow line, fluid containing vessel, or the like.
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