PVC, FRPP / PPG, PPR Butterfly Valve DIN ANSI JIS Standard DN50 ( 2" )-DN400 ( 8" ) PVC, FRPP / PPG, PPR Butterfly Valve DIN ANSI JIS Standard DN50 ( 2" )-DN400 ( 8" )DN50 - DN150 is PN10; DN200 is PN6 1. PVC Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Carbon Steel Stem #45 & EPDM Rubber.2. PVC Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Stainless Steel Stem # 420 ...