PTFE
A PTFE piston seal is ideal for most high duty cycle linear actuators, since it provides low friction and long service life. PTFE piston seals are relatively low cost options, and due to the low friction of PTFE can almost eliminate stick-slip behavior in piston movement. Please note, for proper use they must be used in conjunction with an O-Ring energizer.
Depending on the demands of your application, PTFE piston rings come in over 1500 different combinations of materials, cross-sections, cuts, and other special features. For material choices alone, there are over 10+ different options to choose from. Among the most popular are 40% bronze filled PTFE, 15% glass filled PTFE, and 5% molybdenum disulfide (Moly) filled PTFE.
Applications: Reciprocating, slow rotary, slow oscillating
Materials: PTFE with numerous filling options, Lubrithane
Max Pressure: 5,000 psi
Temperature range: -65°F to +400°F
Max Velocity: 3.2 ft/sec
For more information about this type of Piston Seal visit here:
T-SEAL
RT Dygert stocks one of the world's largest inventories of O-Rings and seals. More 
CAPPED T-SEAL
RT Dygert stocks one of the world's largest inventories of O-Rings and seals. More
URETHANE CAP
Between the Capped T-Seals and the
O-Ring loaded seal in terms of
surface sealability. More
PTFE
This low cost PTFE piston seal offers numerous different layout and material options for different applications. More
LOADED U-CUP
This is a single direction piston seal, meaning it can only seal if the pressure is from one direction. More
O-RING LOADED
This dual action piston seal is designed for applications where maximum sealability is required. More
ASYMMETRICAL UNLOADED U-CUP
The asymmetrical unloaded U-Cup is designed to have both a static and a dynamic side. More
GROOVED
Grooved seals are bi-directional seals that are specially designed to deal with a wide range of sealing pressures. More
SYMMETRICAL U-CUP
This Symmetrical U-Cup can be used as either a piston or rod seal and accommodates a small gland space. More
