Closing heads type GRZ-28 and GRW-28 are the devices co-operating with different types of closing machines and can be installed in closing machines of following companies ROBAK, ALCOA, STORK, KRONES, NAGEMA, Dr. DATZ, ZALKIN. Closing heads serve for making following types of closures:
- FLAVER–LOK consisting of aluminium closing cap dia. 28 mm without securing ring, to be used to close the glass and plastic bottles with threaded head (so called pressure closures),
- PILFER–PROOF consisting of aluminium closing cap dia. 18 ÷ 40 mm, with securing ring, to be used to close the glass and plastic bottles with threaded head,
- GUALLA consisting of aluminium – plastic closing cap (or other according to agreement) dia. Up to 34 mm, with securing ring, to be used to close the glass and plastic bottles.
The closing heads are made of stainless steel and non-ferrous metals.
