034L0045, Danfoss, Pressure Regulator. KVL 22, copper solder connections, Regulating range 0.2 - 6.0 bar, factory setting 2 bar, max. working pressure 18 bar. Access port: ¼ in. Schrader valve for pressure testing. Max. test pressure: KVL 12 -22 = 28 bar. Maximum P-band: KVL 12 - 22 = 2.0 bar. Rated capacities: see technical literature