Type:

* Rectangular Flange Bellow
* Circular Flange Bellow
* Rubber Sleeves
* Slip on type round bellow

Function:
* To take care of Thermal Expansion and contraction of Bus duct enclosure
* To prevent transmission of vibration of electrical equipment like generator etc. to Bus duct.
* To take care of the civil tolerance during Bus duct installation.

Typical Material Properties:
* Material : EPDM or CR or Hypalon
* Hardness : 40 50 SHORE A
* Elongation at Break : 350% (Min.)
* Tensile Strength before Ageing : 70 Kg / Cm2 (Min).
* Insulation Resistance at 500 kV : >100 Mega ohms