Chesterton’s 20K Rod Duoseals are rod mounted bi-directional seals. These designs have the capability of sealing in both directions.

• Eliminates leakage at low pressure.
• Only recommended for pressures >500 psi (35 bar).
• Double acting sealing in a single groove.
• Ideal replacement for 2, 3, or 4 piece cap seal assemblies.
• Loads at zero pressure. Prevents fluid by-pass from start-up.  
• Custom designed to equipment dimensions.
• Designed for groove heights greater than 1/4" (6,35 mm).
• Duoseal configuration with dual independent sealing points.
• Heavy, durable design for high pressure applications.
• Stands up to pressure spikes.
• Reduces side loading effects.