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MA-B04 Mechanical Seal

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The MA-B04 Mechanical Seal is an upgraded multi-range metal bellows seal designed for industrial applications requiring improved stability and performance across varying operating conditions. It provides flexible configurations for pressure, speed, and temperature, making it suitable for a wide range of environments.
With operating limits up to 0.6 MPa in standard mode and up to 1.6 MPa in extended configurations, speeds up to 2 m/s or 5 m/s, and temperature ranges from -30°C to +200°C or extended up to -80°C to +250°C, the MA-B04 offers enhanced adaptability compared to standard models.
Its elastomer-free bellows design combined with encapsulated PTFE or VITON secondary seals ensures reliable sealing performance and resistance to chemical exposure. Built from high-quality materials such as silicon carbide, carbon, ceramic, and corrosion-resistant alloys, the MA-B04 delivers durability and long service life.

  • Enhanced multi-range metal bellows seal
  • Elastomer-free design
  • Secondary seals: VITON / PTFE encapsulated
  • Pressure:
    • ≤0.6 MPa (standard)
    • ≤1.6 MPa (extended)
  • Speed: ≤2 m/s / ≤5 m/s
  • Temperature:
    • -30°C to +200°C (standard)
    • -80°C to +250°C (extended)
  • Sealing faces: SiC / Carbon / Ceramic
  • Improved stability and durability
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(mm)
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40381754x1811090145110.5159.51431528122M12M16G3/8
50482408x18176135210114.5174.51481728157M12M16G3/8
60582408x18176135210119.0181.51581728168M12M16G3/8
80782758x22204155240133.0217.51682034203M16M20G1/2
100983058x22234190270137.5218.51782034228M16M20G1/2
1251203308x22260215295138.5233.52032040268M20M20G1/2
14013539512x22313250350152.5250.52082040285M20M20G1/2
16015039512x22313265350161.0253.02132540297M20M20G1/2
18017044512x22364310400166.0263.52332545332M24M20G1/2
20019044512x22364310400171.0271.02432545352M24M20G1/2
22021050516x22422340460\\26325\\M24M20G1/2
  • Low to medium-speed industrial pumps
  • Chemical processing systems
  • Utility industries
  • Water and wastewater treatment
  • Flexible industrial environments
  • Medium-duty operations
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