73N12F氣動閥門定位器73N12F、73N24F
73N12F、73N24F、73N-FR、73N-B、73N-B1、74SG1、74SN1、

73N12F氣動閥門定位器73N12F、73N24F
Model 73 Built-In Pneumatic Valve Positioner is mounted directly on the topwork of the valve, with no external levers or other exposed mechanisms.

73N12F
Model 74 Pneumatic Valve Positioners are universal positioners that provide versatility, dynamic performance, and high positioning accuracy.  Supply pressure variations have little or no effect on the positioner output, which eliminates the need for a supply pressure regulator.