... JIS Standard DN50 ( 2" )-DN200 ( 8" ) PVC, FRPP/PPG, PPR Butterfly Valve DIN ANSI JIS Standard DN50 ( 2" )-DN400 ( 8" )DN50 - ... With Stainless Steel Stem # 420 & EPDM Rubber.7. FR-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Stainless ... Standard With Stainless Steel Stem # 304 & FPM / VITON Rubber.9. PP-R Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Carbon Stem ...