A valve body is connected with a tower cover through soft seal, and pressed by a bracket through a bolt. The valve rod, the tower cover and a gland are pressed and sealed by filler.
阀杆、塔型盖、格兰通过填料压紧密封，阀杆与执行机构通过固定于支架上的推力螺母实现上下运动。
A more reasonable and more simple calibration method-the way with pressed oil sealed up by bakelized paper and wax is recommended.
并推荐一种较为合理、简单的标定方法——油压胶带纸腊封法。
应用推荐