Board boxes compensation is an important component of the pipe installation, the compensator has a small size, easy installation, small footprint, reduce labor intensity, labor, effort, and material, practical strong advantages. Stretching the amount of 60-120mm, does not leak, does not leak, no filler. Stretching can be a good, safe, reliable, and can save maintenance amount of installation time to set the expansion force of wells, to reduce the project cost, the novel structure of the compensation and reasonable, no wearing parts, small size, light weight, easy to install and transport is the ideal product for pipe installation.

Has the following role:
Compensation absorb pipe axial, horizontal, angle to the thermal deformation.
the corrugated flexible volume compensator to facilitate valve pipe installation and demolition.
to absorb equipment vibration, reducing equipment vibration impact of the pipeline.
Absorb earthquake, subsidence deformation of the pipeline.

Flanged DIN/PN, ANSI/ASA, British BS10, SAE 3000, JIS.