... 304 & FPM / VITON Rubber.5. FF-PP / FRPP / PP-G / PPG Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard ... Stem #45 & EPDM Rubber.6. FF-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard ... Stem # 420 & EPDM Rubber.7. FR-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard ... Stem # 304 & EPDM Rubber.8. FR-PP / PP-G Butterfly Valve ( Lever ) DIN, ANSI, JIS, CNS Standard ...