We are offering lug butterfly valve gearbox. size dn40-dn1200 end flange ansi b 16.1, en 1092, as 2129 face to face ansi b 16.10 top flange iso 5211 normal pressure dn40-dn600 pn1.01.6mpa (150200psi) dn700-dn1200 pn1.0mpa (150psi) body cidiwcbalbcf8cf8m disc dialbrubber lined...