Globe Star Engineers India Pvt. Ltd.

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PTFE External Mounted Bellow Seal


PTFE External Mounted Bellow Seal

We are a reliable PTFE External Mounted Bellow Seal Manufacturer and Exporter from India. The PTFE External Mounted Bellow Seal is known for its excellent durability and high performance. GLOBE STAR Make R21, MO21 & S21 PTFE External Mounted Bellow Seals are designed for extremely corrosive chemicals, including Concentrated Acids & Salts, Strong Oxidizing and Reducing Agents, and Chemically Active Organic Compounds.

Construction :
Metallic Components Clamping Ring and Springs are located Outside the Pump Stuffing Box. All components that come in contact with the liquid being sealed are made of chemically inert material.

Standard Style :

  • Face Materials :
    • Rotary : GFT, PTFE, Silicon Carbide, Carbon
    • Stationary : Ceramic
  • Metal Parts : SS 316, SS 304, Monel, Alloy-20
  • Springs :
    • SS316, Hast-C, Alloy-20
    • Spring Steel or SS 304 Covered by Teflon Tube
    • Secondary Seal : PTFE Bellow, Gasket


Operating Limits :

  • Shaft Diameter : 10 mm to 100 mm or 0.5" to 4.0"
  • Pressure : 10 Bar (kg/cm2)
  • Temperature : 30oc to 120oc
  • Shaft Speed : Upto 6000 RPM According to Shaft Size & Pressure.