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Home / Products / PTFE Bellow Seals / Teflon Bellow

PTFE Bellow Seals / Teflon Bellow

Series : R21 & R21 & MO21

The PTFE is such a magic material among all plastic, which consist of high anti thermal and anti corrosive characteristics. The PTFE is chemically inert material.

We have designed the R21, MO21and S21 PTFE bellow/TEFLON bellow mechanical seals. This series is specially designed for the extremely corrosive chemicals like concentrated acids and salts, chemically active organic compounds and strong oxidizing and reducing agents.

The metallic components like clamping ring and springs are located outside the pump stuffing box. The PTFE bellow seals used to seal the metallic components.

The seals can be customizing as per requirement of the client.


Globe Star 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
  • MO21 : In this Seal Type Glass Filled PTFE Face is Composite moulded with Highly Flexible PTFE Bellow.
  • R21 : It is a Seal Similar to Type MO21 in Design with Replaceable Dynamic Ring. This Permits Easy Removal Replacement of the Dynamicl Ring.

Operating Limits

  • Shaft Diameter : 10 mm to 100 mm (0.5" to 4.0")
  • Pressure : 10 Bar (kg/cm 2)
  • Temp : 30째c to 120째c
  • Shaft Speed : Upto 4000 RPM According to Shaft Size & Pressure.

Other Available PTFE Bellow Seal