PTFE Rubber Oring for Valve Stems
FEP and PFA Teflon® type Fluoropolymers (plastics) offer excellent chemical and temperature resistance, but lack the resiliency of elastomers (rubber) required to maintain a quality seal. Encapsulated and spring energized seals combine the best features of plastics, elastomers and steel springs to increase chemical and temperature performance compared to most solid elastomers. The main offsetting limitation is Teflon's® stiffness can require custom gland design to maximize sealing.
Ø Range Static Pressure Temp Range
0.5 - 660mm 40 MPa -200°C +260°C -