LXR Unit 6 Module 6.2

What are the function of flanges within a piping system?  

• Used where pipelines components or equipment must be removed for repair and replacement

• Used where pipelines components needs to be fixed

What are the function of socket flanges?

 

• Used where pipelines components or equipment must be removed for repair and replacement

• Used for high pressure piping systems and used for small diameter pipes

What are the functions of a blind?

 

• Used to cut-off/isolate equipment or vessels from all process piping

• Used for high pressure piping systems and used for small diameter pipes

Where would flange blinds be fitted on a piping system?

 

• Used to cut-off/isolate equipment or vessels from all process piping

• Flange blind/gasket fitted to the disassembled flange faces to close or seal the joint

Where would line blinds be fitted on a piping system?  

 

• Used as closers in flanged joints where the joint is not disassembled

• Flange blind/gasket fitted to the disassembled flange faces to close or seal the joint

Where would spectacle blinds be fitted on a piping system?  

 

• Used as closers in flanged joints where the joint is not disassembled

• Fitted at flanged joints where periodic line closures are required

What is the function of bolts?  

 

• Standard flange bolts secure flanges together

• Used on low pressure lines, limited strength/durability

What is the function of machine bolts?  

 

• Standard flange bolts secure flanges together

• Used on low pressure lines, limited strength/durability

What is the function of stud bolts?  

 

• Used on low pressure lines, limited strength/durability

• Used on flange joints, stronger and more durable

What is the 3 common types of flange/blind faces used in Saudi?

• RF (Raised face)

• FF (FLat face/Full face)

• RJ (Ring joint)

• SR (Serated)