Size:HL05,HL10,HL20 Size matching with butterfly valve:DN20-DN200 Size matching with ball valve:DN20-DN100 Electric ActuatorElectric device: on-off indicator,passive contact signal,intelligent control, 1K,5K potentiometerElectric drive: (DC)12V, 24V, 36V (AC)220V, 380V Electric Solenoid and Air Pneumatic Actuator