ISOTECH Expansion compensators
IEJ-CS, They are used as a mechanical part attached in series with piping. It consists of bellows which provide pipes with the ability to expand and contract in the axial direction. These are a crucial element for HVAC piping.
ISOTECH has a variety of externally pressurized expansion compensators in copper, carbon steel and stainless steel. Options include multiple connection types and diameters for varying projects, comes in 150, 200 & 300 PSI rating.