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Branch Connection Fittings

The document discusses branch connection fittings, also known as O'lets, which provide an outlet from a larger pipe to a smaller one. It describes how Bonney Forge has been supplying quality branch fittings for many years and pioneered reinforcement shapes that became an industry standard, avoiding cracks and providing complete reinforcement. The document also lists some types of branch connection fittings.

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289 views1 page

Branch Connection Fittings

The document discusses branch connection fittings, also known as O'lets, which provide an outlet from a larger pipe to a smaller one. It describes how Bonney Forge has been supplying quality branch fittings for many years and pioneered reinforcement shapes that became an industry standard, avoiding cracks and providing complete reinforcement. The document also lists some types of branch connection fittings.

Uploaded by

Fs
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Branch Connection Fittings general

Branch Connection fittings (also known as O'lets) are fittings which provide an outlet
from a larger pipe to a smaller one (or one of the same size). The main pipe onto which
the branch connection is welded is usually called the Run or Header size. The pipe to
which the branch connection provides a channel is usually called the Branch or Outlet
size. Branch connections are in all sizes, types, bores, and classes, in a wide range of
stainless steel, chrome-moly, and other alloys.
Perhaps you know, Bonney Forge has been supplying quality branch fittings (O'lets) for
many years. In 1943 when Bonney Forge pioneered the "Shape of Reinforcement" for
branch connections, who would have thought it would fast become a recognized
industry standard. Today, Bonney Forge Branch Connections offer complete run pipe
reinforcement while avoiding cracks, fillet welds, and sharp re-entrant corner
reinforcement tapering at the sides, thus preventing abrupt changes in thickness where
the fitting joins the header pipe.
Bonney Forge fittings meeting the 100% reinforcement requirement of applicable piping
codes i.e. ASME B31.1, B31.3, B31.4 and B31.8. They also meet the 2001 edition of
MSS-SP-97 Standard- "Integrally Reinforced Forged Branch Outlet Fittings".

Types of Branch Connection Fittings

WELDOLET® is the most common of all branch connections, and is welded onto the
outlet pipe. The ends are bevelled to facilitate this process, and therefore the weldolet is
considered a butt-weld fitting. Weldolet's are designed to minimize stress concentrations
and provide integral reinforcement.

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