Packing type 621

Similarly to packing type 611, it is braided of natural cotton yarn impregnated with composition of lubricants in which graphite was substituted with talc. Thus developed packing can be used wherever even minimum contamination with graphite is unacceptable.
Recommended for use in stuffing boxes of pumps and fittings in drinking water installations, in laundries, dyeing plants, in textile and chemical industry.


pH Max.temp [oC] Rotodynamic pumps Piston
Fittings Dimension range [mm]
5 - 9 120

p = 10 bar

v = 5m/s

p = 20 bar

v = 1,5 m/s

p = 60 bar

v = 2 m/s

8 - 50


All information in this catalogue is based on years of experience in manufacture and use of the discussed products. Since sealing performance in the joint is subject to multiple factors such as mounting method, system parameters, and sealed medium, technical parameters specified herein are of informative nature only and cannot be used as grounds for any claims; any special uses of products are subject to consulting with the manufacturer.