Purpose
It is specially used to control causticity or strong causticity medium. There ate also various Fl rubber to be chose to cover with the valve body. So it is applied to different work temperature and flow pipelines and has strong intensity and good anti-causticity capability.
Material
Body and bonnet: cast iron, carbon steel, stainless steel
liner:Fl rubber
Disc: carbon steel, stainless steel, all of discs are packed by Fl rubber
Stem: carbon steel, stainless steel, part of stems are packed by Fl rubber
Handle: cast iron, carbon steel
Structure
 
 

 Main dimension