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32 Cards in this Set
- Front
- Back
What is this used to lay out |
A fitting that is parallel to a center line |
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What is this used to lay out |
Hole for a nozzle entering she'll parallel to a centerline |
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Where is a datum or reference line located on a vessel |
On the shell |
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Where is a tangent line located on a vessel |
On the head |
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How far from the seam is a tangent line usually located |
2" |
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How far up should point 4 be from the center of the horizontal member |
2x material thickness |
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Is a 45° lateral considered a wye? |
No |
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What 4 elements determine the layout of an elbow |
Angle of turn, number of sections, turn radius, diameter |
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What will a multi piece elbow end with on both ends |
A half piece |
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How many full and half sections make up a 5 piece elbow |
3 full and 2 half |
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How many joints does a 5 piece elbow have? |
4 |
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What degree is each piece cut to in a 5 piece elbow? |
11.25 (4 joints x 2 = 8 ÷ 90°) |
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What do you do to find the stretch out of a can with an inside diameter measurement |
ID + 1 plate thickness × π |
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What do you do to find the stretch out length of a can with an outside diameter given |
OD - 1 plate thickness × π |
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Bend symbol |
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W.L. |
Work line |
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W.P. |
Work point |
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Temp. |
Template |
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CL |
Centerline |
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Dev. L. |
Developed length |
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T.L. |
True length |
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M. Dia |
Mean diameter |
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M. Rad. |
Mean radius |
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Formula for degree of swing |
Base radius ÷ apex radius x 360 |
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Apex height formula |
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Parallel line development used on |
Cylindrical shapes such as pipes, shells, and on rectangular shaped like ducting |
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What is this pattern for? |
True wye |
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What is this pattern for? |
Branch tee |
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What is this pattern for? |
45° elbow |
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What is this pattern for? |
Eccentric lateral |
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What is this pattern for? |
45° lateral |
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What is this pattern for? |
Four piece elbow |
