PPR / PP-R Butterfly Valve with DIN ANSI JIS CNS Standard DN50-DN200 ( 2"- 8" ) PVC, FRPP/PPG, PPR Butterfly Valve DIN ANSI JIS Standard ... Standard With Stainless Steel Stem # 420 & EPDM Rubber.7. FR-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard ... Standard With Stainless Steel Stem # 304 & FPM / VITON Rubber.9. PP-R Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Carbon ...