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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 âU â circlip and add O ring to fix the circlip.