Back pressure regulator UV4.5 DN50 Connection type Flange EN 1092-1/21 B1 /PN 40 Nominal pressure PN2,5 Pressure range 0,3-1,1 bar kvs-value 30 m3/h Body material GS-C 25 Elastomer material FKM Options No options selected Order-Code UV4.5-50-FA13-2,5-D050-30-CS-FF-N Article number 62110328A-F