TRANVEL brand butterfly valves, type ZPNS, DN200 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN50 mm, PN16 bar Rotary disc gate valves of GRANVEL trade mark, type ZPVS, DN65 mm, PN16 bar TRANVEL brand butterfly valves, type ZPNS, DN150 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN200 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN80 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN40 mm, PN16 bar TRANVEL brand butterfly valves, type ZPNS, DN65 mm, PN16 bar TRANVEL brand butterfly valves, type ZPNS, DN125 mm, PN16 bar TRANVEL brand butterfly valves, type ZPNS, DN32 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN100 mm, PN16 bar TRANVEL brand butterfly valves, type ZPNS, DN80 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN150 mm, PN16 bar TRANVEL brand butterfly valves, type ZPVS, DN32 mm, PN16 bar