Anti-extrusion springs are intended for high-pressure and high temperature applications where there are large extrusion gaps. They are used to prevent seals from extruding between mating parts of the hardware.
The flexibility of the AE Spring compared to a solid anti-extrusion component aids assembly of the seals in difficult positions and closed grooves. It also allows the seal and the AE device to expand during hardware ballooning at extreme pressures.
Clifford Springs Limited offers AE Springs as single, double and triple spring assemblies offering ultimate seal protection. This is supported by specialist in house assembly and laser welding capabilities.
The AE Spring is normally moulded into an elastomeric part such as a Spring Seal (S-Seal) or Down Hole Packers, making it a popular choice in the Oil and Gas Industry.