| 摘要 |
A valve housing includes a housing body having the shape of a hollow sphere to define an interior for accommodation of at least one valve seat. The housing body is made of at least two shells. One of the shells includes at least one inlet port, and the other one of the shells includes at least one outlet port, wherein one of the two shells includes a fitting neck for installation of a control element for a closure member which interacts with the valve seat
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