... Standard With Stainless Steel Stem # 304 & EPDM Rubber4. PVC Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Stainless Steel Stem ... , CNS Standard With Carbon Stem #45 & EPDM Rubber.6. FF-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With ... With Stainless Steel Stem # 304 & FPM / VITON Rubber.9. PP-R Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard With Carbon Stem ...