Piping Technology Field Services

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• search for signs of visual cracks, fractures, or corrosion of the spring casing and the following:
     (1)  beam attachment
     (2)  pin
     (3)  spring hanger attachment
     (4)  pipe clamp attachment
     (5)  weldless eye nut
     (6)  threaded rod
     (9)  spring coil
   
• check the turnbuckle (7) if present, lock nuts (8), and all other threaded items to ensure they are secured and fastened with full thread engagement
• compare the position of the coil (10) with the hot/cold load indicator and operating range of the spring
• check the mobility of the load column (11)

• check for signs of leakage or a loss of pressure
• inspect for any distortion or yielding of anchors, hardware, bellows, and piping components
• observe for any unanticipated movement of piping due to pressure
• inspect for evidence of instability (squirm) in the bellows
• check the expansion joint, the guides, and other moveable parts of the system for evidence of binding

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Field Services Brochure