Static characteristic refers to the dynamic connection between valve path and output signal, also known as dynamic characteristic. The above is the basic definition of the static characteristics of various ethnic groups. 1. Fundamental error In a regular reference environment, the maximum difference…

1. Scope of application of Q41F4 flanged fluorine-lined ball valve This standard applies to flanged or butt welded ball valves. These valves generally have (but are not limited to) circular passages, and the passages have full diameter, regular diameter or reduced diameter. The following provisions…