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Butt-weld Fittings that we manufacture are typically Lap-Joint Stub Ends and Butt-weld Crosses.
Some people also consider Fittings to include 45 degree Laterals, and True Wyes. Laterals and True Wyes are actually intersected-welded pipe. They look like fittings. Many people think they meet A 234 WPB; THEY DO NOT. These are also NOT covered by B 16.9. They are rated at 40% of the maximum allowable working strength of the material they are made from. At times, upon request, we can offer these fittings X-rayed and reinforced to 100% working strength.
Again, Fittings are offered in most all alloys. They are primarily done in carbon, but also in stainless, nickel alloys, as well as chrome molly.
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45 Degree
Reducing Lateral
Most are non-reinforced, rated at 40% of maximum allowable working strength of the material they are made from.
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45 Degree
Non-Reinforced Lateral
These Size-on-Size laterals are also rated at 40% of maximum allowable working strength of the material they are made from.
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45 Degree
Reinforced Lateral
Reinforced Laterals are rated at a full 100% of working strength.
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True Wye
Not included in the A 234 WPB.
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Stub End
A true fitting. Covered by A 234 and B 16.9. Can be purchased as welded (which does not meet A 234). If we X-ray them, they will be A 234 WPB.
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Cross
Manufactured from carbon steel, seamless in 4”, 3”, and 2”. Any other size is usually split from Ts and welded together. These can be sold with or without X-ray.
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Hot Tap Tee
PThese Tees can be flanged or un-flanged per your need. This is a specialty item, and we prefer to offer an approval drawing for your order to assure accuracy of the requested item.
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