Back pressure regulator UV4.5 DN20 Connection type Flange EN 1092-1/21 B1 /PN 40 Nominal pressure PN6 Pressure range 0,8-2,5 bar kvs-value 7 m3/h Body material GS-C 25 Elastomer material FKM Options No options selected Order-Code UV4.5-20-FA13-6-D054-7-CS-FF-N Article number 62110088A-F