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Outer layer: PTFE (polytetrafluoroethylene) film; inner layer: EPDM rubber; high-temperature pressing and integral molding.
Sleeve expansion joints are primarily used for axial compensation in overhead pipelines, and can also be used in directly buried pipelines to absorb axial expansion and contraction caused by temperature differences.
The DC dielectric thrustless compensator is designed and manufactured according to CJ/T3016.2. It is mainly used for axial compensation of large-diameter thermal networks, absorbing axial expansion and contraction caused by temperature differences in the pipeline network.
composed of a reducer tube, inner sleeve, sealing seat outer sleeve, flexible graphite packing, nut bolts, N compression spring combinations, packing gland, and spring clamping flange.
Spherical compensators for settlement are devices used to address the thermal expansion and contraction of pipelines.
