Type : Weir
Pressure : JIS 10K, ANSI 150, PN 10
Size : 1/2” ~ 6”
Connection : Screw, Flange
Body : PVC, CPVC, UPVC, PP
Diaphragm : EPDM, PTFE
Seikisui/Eslon manufactures wide range of Plastic Diaphragm Valves.
https://www.eslon-plant.jp/web-en/