... Butterfly Valve Size 1"-4", DN25-DN100 Material quality: SUS304, SUS316L Standard: ISO, DIN, 3A, SMS, IDF Sanitary Butterfly Valve Connection ... mode: Clamped Specification: 1"-4", DN25-DN100 Material quality: SUS304, SUS316L Standard: ISO, DIN, 3A, SMS, IDF Working principle: Remote-controlled ...