Performance characteristics of unconstrained corrugated compensator
Unconstrained corrugated compensator is also called unconstrained bellows, unconstrained expansion joint, directly buried compensator. The bellows in the compensator adopts single layer, double layer or The materials of multi-layer corrugated bellows, corrugated pipes and guide sleeves are equal austenitic stainless steel, and other materials are low carbon steel or low alloy steel.
The determination of the distance between the fixed brackets and the calculation of the thrust of the fixed supports of the unconstrained corrugated compensator are exactly the same as those of the ordinary axial type compensator. In addition to eliminating the pre-stretching work, the unconstrained corrugated compensator also greatly relaxes the installation requirements. The unconstrained corrugated compensator can be installed in the pipeline like a short section of pipe. It is not necessary to follow the method usually required by other axial expansion joints to connect the entire steel pipe and then cut off the same length of pipe as the expansion joint. Also due to the sturdy housing of the unconstrained corrugated compensator, transportation, installation and insulation are facilitated.
Purpose of Unconstrained Corrugated Compensator
Unconstrained corrugated compensator is used for axial compensation of pipelines. It has a large compensation amount, strong self-guiding and super bending resistance, which can simplify the design of pipeline guide brackets. , so that the distance between the guide brackets can be adjusted arbitrarily.
Technical Parameters of Type Unconstrained Corrugated Compensator
Diameter
Number of Waves
Pressure Level
Effective Area of Bellows
Maximum Outer Diameter Size
Pipeline Port size
Total length
Axial compensation/stiffness/
/
/
/
/
/
ф
/
/
/ < br/>/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/ < br/>/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
< br/>ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
< br/>
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/ < br/>
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
< br/>/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/ < br/>
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/ < br/>/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
ф
/
/
/
/
/
/
/
/
/
/
Unconstrained ripple compensator manufacturer