U type butterfly valve Material:s.s c.s DN:2 ... Pressure: 2"to12" 16bar, 14"to48" 10bar1)Size: DN50~DN1200 U Type Butterfly Valve. Seat: EPDM, high temperature EPDM, food grade ... :Working Pressure: 2"to12" 16bar, 14"to48" 10barSize: DN50~DN1200 U Type Butterfly Valve. Seat: EPDM, high temperature EPDM, food grade ... PTFE Bushing: Glass backed PTFEover EPDM, PTFE over NBR, Neoprene. U type butterfly valve