Heimeier Screw fitting Regutec corner form, DN 15, gunmetal nickel-plated HEIMEIER radiator return screw connection. Lockable and adjustable screw connection. Operation with hexagon wrench SW 5. Housing made of corrosion-resistant dezincification-free gunmetal. Installation dimensions to DIN 3842 series 1. Sealing to spindle by EPDM O-ring. Closing lid metallically sealed. Connection female thread for threaded pipe or in connection with compression fittings for copper, precision steel or composite pipe. Permissible operating temperature TB 120 Grd C, with cover TB 90 Grd C. Permitted operating pressure PB 10 bar. Heimeier : Heimeier Type: Regutec