Globe Star Engineers India Pvt. Ltd.

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Metal Bellow Inherently Balanced Seal

We are a widely acclaimed Metal Bellow Inherently Balanced Seal Manufacturer and Exporter from India. Our Metal Bellow Inherently Balanced Seal is available at an attractive price range. GLOBE STAR Make MB61 & MB66 Series of Seals are Welded Metal Bellow Seals. Metal Bellow Inherently Balanced Seal is used in Chemical, Petrochemical & Refinery Process Pumps for Moderate Temperature / Pressure & High Temperature / Moderate Pressure Application and suitable for process services requiring corrosion resistance. The bellows unit eliminates the need for Springs, Dynamic Secondary Seal and provides flexibility to the Seal Face in addition to compensating for Seal Face wear.

Construction :
These Bellows Seals are constructed by welding a series of Diaphragms together at the edges to form a Bellows unit. Metal Bellow Inherently Balanced Seal is available in Two Types of Rubber O-ring & Grafoil to be used in extreme temperature conditions. Stock rationalization, easy installation with strength provides firm grip on the Rotating Element.

Standard Style :

  • Face Materials : Dynamic Ring & Stationary Ring , Carbon-M, Silicon Carbide, Tungsten, Carbide.
  • Secondary Seal :
    MB61 - Viton, Kalrez
    MB66 - Grafoil
  • Hardware :
    AISI 316, SS 304, Carpenter-42
  • Welded bellow : AM 350

Applications :

  • Petrochemical
  • Chemical
  • General Chemicals
  • Refinery.
  • Thermic Fluid

Operating Limits :

  • Shaft Diameter : 10 mm to 100 mm or 0.5" to 4.0"
  • Pressure : 25 Bar (kg/cm2)
  • Temperature : -20oc to 400oc
  • Shaft Speed : Upto 6000 RPM According to Shaft Size & Pressure.

Seal Characteristics :

  • Independent of Direction of Rotation
  • Single Acting
  • Welded Metal Bellows
  • Inherently Balanced


Size 1inch, 2inch
Material Metal
Shape Round
Style Mechanical Seal
Thickness 10-20mm, 20-30mm
Features Accurate Dimension, Easy To Install, Good Quality, Robust Construction, Unbreakable
Applications Industrial Use