Blowout proof stems and retained O-ring packing. The connection between
stem and disc is without pin.
Inboard and outboard bushings are assembled in the upper, middle and
bottom position of the body to reduce the abrasion and increase the
Removable seat design
is without pin.
Excellent fluidity by convex disc
ISO5211installplatformdesign ensures the coincident concentricring structure ofthe
actuator rotation centerandthe stem rotational center to meet the optional