Bellows Expansion Joint Inspection During and Immediately After System Pressure Tests

Bellows Expansion Joint Inspection During and Immediately After System Pressure Tests

WARNING : EXTREME CARE MUST BE EXERCISED WHILE INSPECTING ANY PRESSURIZED SYSTEM OR COMPONENT.

A visual inspection of the system shall include checking for the following:

u Evidence of leakage or loss of pressure.

u Distortion or yielding of anchors,expansion joint hardware,the bellows and other piping components.

u Any unanticipated movement of the piping due to pressure.

u Evidence of instability(squirm) in the bellows.

u The guides,expansion joints and other moveable parts of the system shall be inspected for evidence of binding.

u Any evidence of abnormality or damage shall be reviewed and evaluated by competent design authority.