This gland packing is based on gPTFE, Le graphitized, expanded PTFE. The GRF rope is made of PTFE foil thin strips braided with graphite addition. The high graphite content improves thermal conductivity, sliding properties and reduces friction wear, which significantly extends the service life in dynamic applications.
The GRF packing guarantees low coefficient of friction, good heat transfer, excellent mechanical properties, at the same time it keeps high chemical resistance of PTFE.
Packing GRF 250 is designed for pumps operating with a small amount of impurities, they can be used for almost all chemical medium, opt for abrasive media and strong oxidants. It is the soft sealant, easy for use and montage, therefore it is perfect for centrifugal pumps.
Tefapak GRF 260 packing is one of the most universal and popular sealants used in pumps and dynamic seals.
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