Home » Products » Sealing Accessories » PTFE Encapsulated Ring
PTFE Encapsulated Ring

PTFE Encapsulated Ring

Encapsulated O-rings include PTFE encapsulated O-rings, FEP (Fluorinated Ethylene Propylene) encapsulated O-rings, PFA (Perfluoroalkoxy)encapsulated O-rings, square cross-section seal rings and rectangular cross-section seal rings.

1. FEP encapsulated O-ring
This seal ring is clear and smooth, having a self-lubricating surface. It features excellent chemical and corrosion resistance, and superior resilience. It is approved by USP class VI.
2. PFA encapsulated O-ring
This seal ring is clear with light blue color. Its maximum temperature should be 260℃ (500℉), featuring excellent heat and chemical resistance. This O-ring has better crack and stress resistance than FEP. And it has low vapor permeation. It is approved by USP class VI.

Technical Parameters

Rubber Temperature Range
Silicon -60°~ +205℃ -60°~ +260℃
 -75°~ +400℉ -75°~ +500℉
Viton   - 26°~ +205℃ -26°~ +205℃
-15°~ +400℉ -15°~ +400℉
EPDM  -54°~ +149℃ -54°~ +149℃
-65°~ +300℉ -65°~ +300℉

Shanghai Trisun Parts Manufacture Co., Ltd. is specializing in designing and manufacturing various fluid seals as well as seal accessories in China. Our main products cover dry gas seals, agitator seals, cartridge seals, metal bellows seals, etc. Sealing accessories include Dupont original Kalrez O-rings, PTFE encapsulated O-rings, perfluoroelastomer rings and seal rings. For more detailed information, please feel free to contact us.

Related Product
  • Perfluoroelastomer Ring(FFKM)
  • Perfluoroelastomer Ring(FFKM)Perfluoroelastomer ring(FFKM ring)is synthetic elastomer without C-H bond (Carbon-Hydrogen). This kind of ring can effectively work under the max temperature of 327℃ and bear corrosion of any chemical mediator. It has perfect tolerance to oil, chemical and heat. Perfluoroelastomer ring also has...