The fittings are used to connect plastic tubes and pipes to glass fittings, for example in glass heat exchangers or glass condensate traps. We further offer types with hose fittings integrated in the swivel nut and types to insert and secure in existing glass fittings. You will further find seals required for using the selected plug-in fittings with your existing glass fittings. Tubes can also be connected to glass connections without fittings by using a support tube and secured with the glass seal. These support tubes are also listed in this data sheet.