Back pressure regulator UV3.5 DN20 Connection type Flange EN 1092-1/11 B1 /PN 40 Nominal pressure PN16 Pressure range 4-8 bar kvs-value 0,5 m3/h Body material Stainless steel Elastomer material Metallisch / FKM Options Leakage line connection 1/8"; Order-Code UV3.5-20-FA04-16-D066-0,5-V1-YF-E79 Article number