Big diameter electric butterfly valve features

● The shell of Big diameter electric butterfly valve are fully made by die-casting aluminum and precision machine work, the quality of key parts is steady.
● The Big diameter electric butterfly valve is with small size, light weight, adopted spraying technology to guarantee a excellent appearance quality.
● Big diameter electric butterfly valve is convenient for adjustment of stroke control or torque switch, safe and reliable.
● High accuracy of transmission parts, adopting ball bearing at each position, high efficiency, low noise operation.
● Output shaft transmitted by worm gear pair, can self-hold at any position.
● Hand/motor operated switching mechanism is semi-automatic electric driven prior to hand driven, to assure operation safe and steady.
● Along with perfect outdoor features, prevent from condensation, inside space heating dehumidifier.
● Various types of flange connection, valve connector inside of output shaft, easy to disassemble.
 

Big diameter electric butterfly valve Optional features:

● 4-20mA DC valve location feedback signal
● Adding electric module to realize self-regulation.
● With limit switch to provide electrical independent contact for control
● Monolithic type control, with remote switch or transfer features.
● Inside electrical machine thermal protective element.
● More functions according to customers’ requirement.