Hydraulicsafetyvalve series shall be installed on the top the center of the tank, in order to withstand the damage to the tanks caused by operating failure of breather valve.
液压安全阀安装在油罐顶部，与呼吸阀并列使用，在呼吸阀失灵时起安全作用。
2
Originally it was the safetyvalve for a hydraulic plant.
它最早是一家水电厂的安全闸阀。
3
The machine is equipped with a hydraulic switch valve to ensure safety during loading and unloading workpieces.