Metal bellow mechanical seal – KE Motion Hydro https://kemotionhydro.com/en A modern company specializing in sealing technology – Mechanical seals, Rotary unions. Fri, 17 Oct 2025 11:22:27 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://kemotionhydro.com/en/wp-content/uploads/2025/03/favicon.png Metal bellow mechanical seal – KE Motion Hydro https://kemotionhydro.com/en 32 32 NMM-1 https://kemotionhydro.com/en/products/nmm-1/ Sun, 06 Apr 2025 13:20:06 +0000 https://kemotionhydro.com/en/proizvodi/nmm-1/
  • Solition for high temperature and high viscosity product
  • Welded metal bellow design
  • Absence of dynamic o-ring increases the elastomer temperature range
  • Balanced
  • undepended on direction of rotation
  • Fitting dimentions according to DIN 24960(EN12756)

    • Seal faces materials:

    • Resin impregnated caron(В)
    • Antimony impregnated carbon (A)
    • tungsten carbide (U3)
    • silicon carbide (Q1, Q2)

    Secondary sealing materials:

    • Fluorcarbon rubber, FKM (V)
    • Nitrile-butadiene-rubber (P)
    • Ethylene propylene
    • rubber, EPDM (E)
    • Perfluorocarbon rubber, FFKM (for example Kalrez®, etc.), (K)

    Operating limits:

    • p = 25 bar
    • t = -50 … 220°C
    • v = 20 m/s

    Type: Metal bellow seal
    Replacement: John Crane 670, 680, Burgmann MFL85N, AES BSAI

    ]]>         NMM-2 https://kemotionhydro.com/en/products/nmm-2/ Sun, 06 Apr 2025 13:20:06 +0000 https://kemotionhydro.com/en/proizvodi/nmm-2/
  • Solition for high temperature and high viscosity product
  • Rolled metal bellow design
  • Absence of dynamic o-ring increases the elastomer temperature range
  • Balanced
  • undepended on direction of rotation
  • Fitting dimentions according to DIN 24960(EN12756)

    • Seal faces materials:

    • Resin impregnated caron(В)
    • Antimony impregnated carbon (A)
    • tungsten carbide (U3)
    • silicon carbide (Q1, Q2)

    Secondary sealing materials:

      • Fluorcarbon rubber, FKM (V)
      • Nitrile-butadiene-rubber (P)
      • Ethylene propylene
      • rubber, EPDM (E)
      • Perfluorocarbon rubber, FFKM (for example Kalrez®, etc.), (K)

    Operating limits:

        • p = 16 bar
        • t = -50 … 280°C
        • v = 20 m/s

    Type: Metal bellow seal
    Replacement:: John Crane 515, Burgmann MF95N

    ]]>         NMM-G https://kemotionhydro.com/en/products/nmm-g/ Sun, 06 Apr 2025 13:20:06 +0000 https://kemotionhydro.com/en/proizvodi/nmm-g/
  • Solition for high temperature and high viscosity product
  • Rolled metal bellow design
  • Secondary sealings of pure graphite for extreme temperature range
  • Balanced
  • undepended on direction of rotation

    • Seal faces materials

    • Carbon (A, В))
    • Tungsten carbide (U3)
    • Silicone Carbide (Q1, Q2)

    Secondary sealing materials:

    • Pure graphite (G)

    Opertaing limits

    • p = 25 bar
    • t = -100 … 400°C
    • v = 20 m/s

    Type: Metal bellow seal
    Replacement: John Crane 605, Burgmann MFLWT80 / MFLCT80, AES BSAIG

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