It can be equipped with valve components of different structure types.
The piston and indicator rod are coated with anti-corrosion coating to increase the surface hardness and wear resistance; and the piston and indicator rod seal position has a design wear ring, which can reduce the wear of the piston and indicator rod and extend the service life.
The bonnet has multiple protections, which can prevent the well fluid from invading the drive housing and avoid the drive being contaminated.