Expanded graphite packing sealing ring PGT3 GR8622

API std 622 3rd Edition packing approved. PGT3 GR8622 it’s a special 5 formed rings sealing flexible graphite packing. The yarns guarantee a very low weight loss (according to EN 14772, section 6.7) and great sliding properties. PGT3 GR8622 guarantees for long time great recovery and do not need retightening. Characteristics Full braided packing kit of pure flexible graphite strands knitted wire, impregnated with colloidal graphite and special compounds Applications PGT3 GR8622 is specific for Industrial Valves Low Emission service, suitable also for HP/HT applications.