Back pressure regulator UV3.5 DN20 Connection type Flange EN 1092-1/11 B1 /PN 40 Nominal pressure PN6 Pressure range 0,8-2,5 bar kvs-value 0,2 m3/h Body material Stainless steel Elastomer material Metallisch / FKM Options Leakage line connection 1/8"; Order-Code UV3.5-20-FA04-6-D054-0,2-V1-YF-E79 Article number 6193371UA-FM