metal parts made of gunmetal that come into contact with the medium, for fixed hydraulic line balancing, PTFE seat seal, maintenance-free spindle seal with self-lubricating EPDM lip seal, external thread for flat-sealing screw connections, with drain plug, with thermometer, holder for Pt1000 temperature probe, no dead space, can be shut off without changing the pre-setting, with position indicator, PN 16, operating temperature max. 100 °C