Cotton-graphite packing
Braided cotton packing, impregnated with graphite, of square and round cross-section, used for sealing elements of machinery and equipment operating in an inert environment, at temperatures up to 120 °C. For the production of braided cotton packing, cotton yarn and impregnant are used. Recommended for fittings and high-speed rotary pumps operating in contact with water, steam, oils, solutions of salts, acids and bases of medium strength.
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max. temperature [°C] -30 do +120 pH 5 – 9 impeller pumps p = 10 bar v = 5 m/s piston pumps p = 20 bar v = 1,5 m/s armature p = 60 bar v = 2 m/s moisture content max. 3% loss on ignition 20% loss on ignition The packing should not crack or delaminate
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Size (mm) +/-15% Packaging (kg) Linear mass +/-15% (g/mb) 4×4 r2.5 kg roll 16 6×6 5 kg roll 36 8×8 64 10×10 100 12×12 144 14×14 – 16×16 225 18×18 324 20×20 400 22×22 484 25×25 625 30×30 10kg roll 900 35×35 1225 40×40 – 45×45 1600 50×50 2025