What's the main parts for wafer butterfly valves?
Wafer butterfly valve is mainly consist of valve body,stem,disc,seat and drive mode(lever,worm gear,electric,pneumatic actuator),etc,
 

Feature:
Simple&Compact design and light weight
Easy installation and maintainance,it can be mounted wherever place you want,
Quick 90 degree On/Off operation,mimimized operating torque,energy saving.
Excellent seal struction,no leak.
Flow curve tends to straight line,excellent regulation performance,
Long serving life.
Various materials can be suitable for different mediums

Consider there are many different specifications,just kinldy let us know your request and then we will provide the best suitable model with lowest price.
ToFine Flow Control, Email: sales@flow-controls.com