Pro-Hurt

Expanded Graphite Packing

Packing material made of yarn made of expanded pure graphite. With its thermal and chemical resistance, self-lubricating properties and good thermal conductivity, it is perfect for high-temperature braided packing. The packing may be reinforced with a thin inconel wire or in the version without reinforcement enriched with a corrosion inhibitor. Recommended for use in pump and fitting glands at temperatures up to 450°C in contact with water, steam, oils, solvents, salts, acids and alkalis, except for strong oxidants. Not recommended for contact with liquid metals and abrasive media. Especially suitable for centrifugal pumps where PTFE cannot be used due to temperature. Used in the power industry as a replacement for asbestos packing.

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    max. temperature [°C] -200  do  +450
    Operating temperature in steam [°C] 550
    Operating temperature in oxygen-free atmosphere [°C] 2000
    Type of reinforcement Non-reinforced or reinforced with inconel wire
    pH range 0 – 14
    impeller pumps p = 40 bar      v = 40 m/s
    piston pumps not recommended
    armature p = 200 bar    v = 2  m/s
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    Size (mm) +/-15% Packaging (kg) Linear mass +/-15% (g/mb)
    No reinforcement With reinforcement
    4×4 2.5 kg roll
    6×6 5 kg roll 36 40
    8×8 64 70
    10×10 100 110
    12×12 144 158
    14×14 225 248
    16×16 324 358
    18×18
    20×20 400 440
    22×22 484 520
    25×25
    30×30 10kg roll
    35×35
    40×40
    45×45
    50×50