Coordination System..
Symbols for single line Piping Arrangements
Butt Welded Piping Arrangement Symbols
| NAME | END VIEW |
SITE VIEW |
END VIEW |
| Butt weld |  |
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| Elbow LR 90° |
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| Elbow SR 90° |
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| Elbow 45° |  |
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| Elbow 180° return |
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| Tee |  |
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| Cross | |
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| Reducer concentric |
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| Reducer eccentric |
Top View |
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| Cap |  |
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| Weld Neck flange |
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| Slip On flange |
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| Lap-Joint flange and Stub End |
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| Blind flange |
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| Weldolet® |  |
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| Nipolet® |  |
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| Sockolet® same as Weldolet® |
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| Thredolet® same as Weldolet® |
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| Coupling full or half |
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| Pipe |  |
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Socket Welded Piping Arrangement Symbols
| NAME | END VIEW |
SITE VIEW |
END VIEW |
| Pipe | |
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| Elbow 90° |  |
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| Elbow 45° |  |
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| Tee straight or reducing |
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| Cross | |
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| Cap | |
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| Socket Weld flange |
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| Blind flange |
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| Sockolet® | |
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| Reducer |  |
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| Union |  |
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| Swage concentric |
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| Swage eccentric |
Top view |
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| Hose |  |
Threaded Piping Arrangement symbols
| NAME | END VIEW |
SITE VIEW |
END VIEW |
| Pipe | |
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| Elbow 90° |  |
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| Elbow 45° |  |
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| Tee straight or reducing |
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| Cross | |
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| Cap | |
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| Socket Weld flange |
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| Blind flange |
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| Thredolet® | |
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| Reducer | |
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| Union |  |
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| Swage concentric |
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| Swage eccentric |
Top view |
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| Hose | |
Note.. Symbols are shown in black lines. Lighter lines show connected pipe, and are not parts of the symbols.