Globe Star Engineers India Pvt. Ltd.

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Balance and Unbalance Single Spring Seal

We are a prominent Balance and Unbalance Single Spring Seal Manufacturer and Exporter from India. Our Balance and Unbalance Single Spring Seal is renowned for its excellent service. The Balance and Unbalance Single Spring Seal is easily available at competitive market prices. Our GLOBE STAR Make Balance and Unbalance Single Spring Seals are Single Helical Coil Spring Seals Developed for clogging type applications.

Torque Transmission from Retainer Shell to Dynamic Ring is done through Drive Lugs. All components are held together by a Snap Ring that helps in Easier Installation & Removal. As all Parts are Interchangeable, one can convert series U71 to U76 & B71 to B76 by changing only the Dynamic Ring and the Secondary Seal. This principle is ideal for Stock Rationalization.

Series :

  • U71 &U76
  • B71 & B76

Ideal For :

  • Light hydrocarbon
  • Dirty media
  • Petrochemicals
  • Petroleum refinery
  • General chemicals

Standard Style :

  • Face Materials : Dynamic Ring & Stationary Ring , Carbon, Ceramic (99.5%). Silicon Carbide, Tungsten Carbide, Chrome Cast Steel & Which are Suitable For Fluid.
  • Secondary Seal :
    • U71 & B71 : Viton, EPDM, Silicon, Aflas, EPR, Kalrez, TCV.
    • U76 & B76 : GFT, PTFE, FEP, Grafoil.
  • Hardware : SS 316, SS 304, Hast - C, Monel, Alloy -20.

Operating Limits :

  • Shaft Diameter : 12 mm to 100 mm & 0.5" to 4.0"
  • Pressure : Unbalance 10 Bar (kg/cm 2 ) & B alance upto 35 bar(kg/cm 2
  • Temperature : -60oc to 260oc
  • Shaft Speed : Upto 6000 RPM According to Shaft Size & Pressure.

Seal Characteristics :

  • Inside Mounted
  • Single Acting
  • Unbalanced & Balanced
  • Independent Of Direction Of Rotation


Material Metal
Shape Round
Color Grey-silver
Temperature Range 0-25 Degree C, 25-50 Degree C
Surface Finishing Coated
Spring Type Double