Description: highest expected pressure at the seal (or seals) during any specified operating condition and during start-up and shutdown; Name: mdsp
Description: Highest pressure expected at the shaft seals during any specified operating condition and during startup and shutdown ; Name: Maximum dynamic sealing pressure
Description: norm describing the material. The material number is taken from this norm. Type and number of the norm with issue year and issue month must be given; Name: Reference norm material of the valve ball/valve cone