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. Pressure Rating 300 Diameter ( Inch ) 0.75 1 1.25 1.5 2 2.5 3 4
