Piston Ring Joint Configuration
A good bi-directional seal for many sealing purposes.
Often used on automotive seals and applications where some leakage is acceptable.
Often used for steam applications.
A ring which seals in ONE direction and has very good sealing qualities. “UP” is stamped on pressure side of ring.
An excellent bi-directional seal–seals, on two surfaces–often used when leakage is a critical concern.
Seals on three surfaces. This ring is an excellent seal for hydraulic, pneumatic and steam applications and keeps leakage to the absolute minimum.