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ma290 mechanical seal
ma290 mechanical seal

MA290 MA390 Cartridge Mechanical Seals for Pumps

Working conditions

Temperature: -20 °C-160℃(Oil); 0 °C-60℃(Water)

Pressure: ≤1.6 Mpa

Linear Velocity: ≤20 m/s


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Category: Mechanical Seals For Pumps
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Structure Features Advantages Diagram Applications

  • Structure Features of MA290 MA390 Cartridge Mechanical Seals for Pumps

    MA290 is a balanced cartridge mechanical seal, and it is independent of direction of rotation. MA290 mechanical seal is equipped with stationary multiple springs, and both the springs and pin are positioned on the atmospheric side.


  • Advantages of MA290 MA390 Cartridge Mechanical Seals for Pumps

    • Extremely short length design

    • Total length including seal cover is less than 50 mm

    • Easy installation on pumps without stuffing box modification

    • Excellent follow-up performance, unaffected by shaft run-out, squareness or vibration

    • External mounting to stuffing box for superior air cooling performance


  • Diagram of MA290 MA390 Cartridge Mechanical Seals for Pumps



  • Applications of MA290 MA390 Cartridge Mechanical Seals for Pumps

    The MA290 MA390 cartridge mechanical seal is widely applicable across a broad spectrum of fields, including the petrochemical industry, chemical industry, pharmaceutical industry, power plant technology, pulp and paper industry, water and waste water technology, building services industry, mining industry, as well as the food and beverage industry. As a pump mechanical seal, it is suitable for various types of pumps such as centrifugal pumps, eccentric screw pumps and process pumps.


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  • Sunny Yan: +86-18882031258
  • Company headquarters address: 8th Floor, Maipu Building, Tianfu 3rd Street, High-tech Zone, Chengdu, Sichuan Province

    Factory address: No. 66, No. 19, Longxiang Avenue, High-tech Industrial Park, Zigong, Sichuan Province
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Company headquarters address: 8th Floor, Maipu Building, Tianfu 3rd Street, High-tech Zone, Chengdu, Sichuan Province

Factory address: No. 66, No. 19, Longxiang Avenue, High-tech Industrial Park, Zigong, Sichuan Province
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