
DESCRIPTION: Parker S5000 Series PTFE Piston Rings for Demanding Sealing Applications. Parker EPS produces a wide range of PTFE piston rings for a variety of standard piston bore dimensions.
Parker PTFE Piston Ring Features:
Lubrication not required
Stick/slip breakaway problems eliminated
Piston design simplified
Easy installation and removal
Bi-directional sealing
Prevents cylinder wall scoring
Damage from cast iron or phenolic piston ring particles is eliminated
Temperature range: -30°F to +250°F with standard nitrile expanders (PTFE is serviceable to 500°F)
Pressures to 3000 psi
Interference fit assures positive sealing
Conforms to out-of-round bore condition
Can be cut in field for easier installation
45o bevel cut preferred
Butt, bevel or step-cut joints available (at additional cost)