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15 Cards in this Set
- Front
- Back
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Fitting |
Pipe item to join pipes, change direction, branching, increase/reduction in size and allowing attachment/dismantlement in a piping system |
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Butt Welded Connection Type |
Pro -strong -x-rayable -economical -leakproof Cons -alignment -icicles cause sludge buildup -not usuable in explosive environments |
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Socket welded |
Pros -quick assembly -misalignment allowed -no weld metal in bore -leakproof Cons -Gaps allow corrosion and sludge build up |
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Screwed, threaded, threaded and coupled fittings |
Pros -Rapid Assembly -Economical -no fire hazard Pros -leakage -thread -alignment -crevice corrosion possivble |
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Flanged |
Pro -allows disassembly Cons -leakage -expensive -alignment |
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Mechanical Coupled |
Pro -Rapid assembly -Misalignment -no end prep -emerging repairs Cons -leakage -low pressure |
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Butt weld usage |
End connections used for all which allow underground disassembly |
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Socket Weld |
Used for toxic service piping or high pressure and temperature |
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Elbow Fitting |
90 degree and 45 degree 90 degree, long radius(most common)/short radius/reducing/long tangeant 45 degree, long radius only |
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Bends |
3R, 5R Large sweep radius Used when elbows are too sharp for suspended solid transfer |
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Mitrebends |
Direction change fabricated from pipe -large low pressure pipe systems -2,3,4 weld mitres typical |
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Return bend |
180 degree elbow LR, SR |
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Size change fittings |
BW piping changes with use of welded reducers |
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Welded Reducers |
- concentric -> inlet/outlet centrelines are off set Can also be accomplished with flanges |
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Screwed/Socket Weld |
Change size with reducers couplings and swages |
