Technical Familiarisation 

Small Bore Tubing  

Small bore tubing, or SBT, and commonly referred to as instrument tubing or impulse lines, is found throughout petrochemical facilities to connect instrumentation and control systems to process plant and utilities systems.
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Course Description 

Small bore tubing, or SBT, and commonly referred to as instrument tubing or impulse lines, is found throughout petrochemical facilities to connect instrumentation and control systems to process plant and utilities systems.

Other applications include providing equipment lubrication, product sampling and chemical injection systems. Oil and gas industry statistics for hydrocarbon releases have shown that, after flanged joints, SBT assemblies have proven to be a significant source of leaks and incidents.

Course Objectives

By the end of this course you should be able to:

  • Describe common applications for small bore tubing and fittings 
  • Recognise different thread types and sealing properties 
  • Explain methods used for the make-up of fittings 
  • Describe the importance of the correct identification of fittings 
  • Outline the potential consequence of poor or improper assembly