â€¢ Simple structure
â€¢ Valve stem with surface hardening treatment
â€¢ Adopting non-pin four axis connection, two way installation provide the reliability and convenience
â€¢ Blow out proof stem
â€¢ Top flange ISO 5211
â€¢ Isolate the body and stem with medium
â€¢ Convenient for on site maintenance
Stem isolated from the medium
Stem and disc connected without pin , after assembled, it become an integral. This structure guarantee the stem do not contact with medium.
Blow out proof stem
Bottom of top flange and stem is processing with a groove, the stem groove is set with an â€œU â€ circlip and add O ring to fix the circlip.