ASME B16.9 · EN 10253-1
Butt-weld fitting dimensions
Dimensions of our elbows, tees, reducers, caps and dished ends, to ASME B16.9 and EN 10253-1. Every chart prints or saves as PDF.
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Butt-weld elbow dimensions: ASME B16.9 and EN 10253-1An elbow’s take-off is its centre-to-end: from the bend centre to the plane of the end.
Butt-weld equal tee dimensions: ASME B16.9 and EN 10253-1On an equal tee, the centre-to-end is the same on all three outlets.
Butt-weld reducer dimensions: ASME B16.9 and EN 10253-1Under ASME B16.9, length H depends on the large end only: 102 mm for any 4" reducer.
Butt-weld cap and dished end dimensions: ASME B16.9 and EN 10253-1ASME B16.9 caps measure 25 mm (½") to 102 mm (8"); above a limiting wall the length becomes E1.
Dimensions by size
90° elbows
45° elbows
Reducers