The Series 700 features either a TFE* or FED** seamless liner that extends through the body of the expansion joint to the outer edge of raised flange faces. The liner is fused to the body when the joint is cured. This type of construction provides ultimate protection against chemicals seeping or leaking. An optional coat of Hypalon paint is recommended to protect the exterior against weather, ozone and chemicals.

Mercer Invincible Series 700 Teflon® lined expansion joints combine the advantages of Teflon®:

• Anti-stick properties
• Superior Strength
• Excellent chemical resistance
• Non-aging

With the advantages of Mercer’s elastomeric expansion joints:

• Isolate mechanical vibration
• Long life expectancy
• Absorb pressure surges
• Eliminate electrolysis
• Small space requirements
• Allow four way movements (Axial, lateral, torsional, angular), eliminating problems of pipes buckling or pulling apart.