Description: identification of the type of ignition protection to be used or the hazardous environment of a device, based on a standard; Name: Explosion protection label
Description: marking on a device according to a directive or standard that indicates the type of protection implemented or the hazardous environment in which it may operate; Name: explosion protection marking
Description: pump H(Q) curve where the maximum head and shut-off head are coincidental, and the total head declines continuously as the rate of flow increases; Name: Pump H(Q) curve