Hot-selling Ptfe Wafer Butterfly Valve - 100% Original Solid Ptfe Gasket - FEP Encapsulated Silicone Manlid seals – Lucky Star Seal – Lucky Star Seal Detail:
Encapsulation
FEP
The most versatile when considering overall corrosion resistance, sealing capability and temperature.Temperature range -450 to + 400 degrees F. (-267 to 205 degrees C)
PFA
A fluorocarbon copolymer similar to FEP but it also offers greatly improved mechanical and creep properties at elevated operating temperatures. Temperature range -450 to +500 degrees
F. (-267 to +260 degrees C).
Physical Properties of Encapsulated O-rings:
Core material:
Silicon rubber: 85-90A Viton elastomers: 90-95A
Hollow Silicone Rubber: 75-80A Water absorption: <0.01
Features:
1.Excellent chemical resistance, is suitable for almost all chemical medium (strong oxidation, reducing solvent);
2.Good corrosion resistance ( Strong acid and alkali solvent );
3.Good compression resistance ≥30%;
4.Low Coefficient of Friction (only 0.1 ~ 0.2);
5.Good resistance to dissolve (≤0.1%) ;
6.High pressure resistantance(up to 60Mpa );
7.Excellent sealing persistence , increase 500% life time.
Product detail pictures:
Related Product Guide:
Tips On Fitting A PTFE Ring Gasket In The Flange Joints
Thermal And Chemical Benefits Of PTFE Ring Gaskets
Every single member from our large efficiency profits team values customers' requirements and organization communication for Hot-selling Ptfe Wafer Butterfly Valve - 100% Original Solid Ptfe Gasket - FEP Encapsulated Silicone Manlid seals – Lucky Star Seal – Lucky Star Seal, The product will supply to all over the world, such as: Iran , Amman, Colombia , We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced products constantly to satisfactorily meet the needs of our clients all over the world.

High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
