Electric single seat regulating globe valve is a top guided regulating valve that can be equipped with pneumatic (multi spring diaphragm/piston actuator) or electric intelligent actuator.
If pneumatic actuators are used, additional locators are required. Otherwise, he can only be a switch valve and cannot be adjusted
Pneumatic single seat globe control valve or electric single seat globe control valve 
Pneumatic+Positioner+Valve 
Electric+Valve Body adopts a straight through cast ball valve body, and the valve core is an unbalanced single seat plunger valve core.
Pneumatic single seat regulating valve internal structural dimensions: DN20-DN200 NPS 3/4 "-8" Pressure rating: PN16-PN100 Class 150-600 Connection: Flange-FF, RF, MF, RTJ Welding SW, BW Flanges Face to face: IEC 60534 Valve cover form: Standard type: (5 ℃ -230 ℃) Heat sink type: -45 ℃ -350 ℃ Low temperature extension type: -196 ℃ -45 ℃, corrugated pipe sealing type, insulation jacket type Gasket: metal clip graphite gasket