Description: Pressure at the outlet of the safety valve with the valve closed; Name: Safety valve back pressure
Description: pressure at the outlet of the relief valve when the valve is closed; Name: relief-valve back pressure
Description: permanent operation, short-term operation or periodic operation characterized by one of more loads and which remains unchanged during a certain period, or, in the case of non-periodic operation, where the load and speed generally change within the permissible operating range; Name: Operation type time sequence of the drive