| 摘要 |
<p>A sanitary eccentric seat ring (10) and corresponding method of installation and adjustment is provided. The seat ring includes a body having a first section (14), a second section (16), and a body central axis passing through the first and second sections. A first bore is disposed within the first section, and has a first bore central axis concentric with the body central axis. A second bore is disposed within the second section, and has a second bore central axis eccentric to the body central axis. The first section is generally frusto-conical in shape. The second section is generally cylindrical in shape. The first bore within the first section is generally frusto-conical in shape, while the second bore of the second section is generally cylindrical in shape. The seat ring can further include a flange, or other end connection, disposed at one end of the first section. The flange is suitable for mounting the seat ring in a valve body. To install the seat ring into a valve body, the seat ring is placed in the valve body with a seal disposed to seal a gap between the seat ring and the valve body. The seat ring is rotated to adjust a central axis of an eccentric bore within the seat ring to align with a valve control element. The seat is removably and replaceably fastened into the valve body with at least one fastening mechanism, such that the at least one fastening mechanism is removed from a flow path through the valve and the seat ring.</p> |
