Overpressure closure valve for fluid lines, especially for use in sewage systems, has valve body biased open, valve seat on which valve body sits to close valve passage, adjustment arrangement for adjusting closing process

摘要

The overpressure closure valve has a housing (1) with an inlet chamber connected to an outlet chamber via a valve passage, a valve body (2) biased in the open position and a valve seat (11) on which the valve body sits to close the valve passage. It has an adjustment arrangement (5,12) for adjusting the closing process.