It provides part-turn valve actuator and valve size and drive to connect pieces of the size and torque reference value.
它规定了部分回转阀门驱动装置与阀门的连接尺寸和驱动件的尺寸,以及转矩的基准值。
It provides part-turn valve actuator and valve size and drive to connect pieces of the size and torque reference value.
它规定了部分回转阀门驱动装置与阀门的连接尺寸和驱动件的尺寸,以及转矩的基准值。
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