Chemstar NQ 6226/NQ is a diagonally braided 100% PTFE silk packing, impregnated with a pure PTFE dispersion. According to the Siemens specification for nuclear power stations, the low-chloride PTFE packing is of nuclear grade and suitable as a reserve component in nuclear valves.
Valves
Pressure: p = 500 bar
Sliding velocity: vg = 2 m/s
Temperature
Chemical resistance:
pH = 0 ... 14
Universal chemical resistance Not suitable for use in abrasive media or in hot water and hot steam applications.
Industries
Components
For gaps >0.03 x packing cross-section between the gland and shaft or shaft and stuffing box bore, we recommend the use of a header ring with Thermoflon TR 6232/TR.