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Offers A105 Carbon Steel Weld Olet, 90°, MSS SP-97, Forged, GALV, 150 X 15, Schedule 40.
Branch platform is also called branch seat, saddle, saddle type
pipe joint. It is mainly used for reinforcing pipe fittings of
branch pipe connection, instead of using different diameter
three-way, reinforcing plate, strengthening pipe section and other
branch pipe connection types. It has the advantages of safety and
reliability, cost reduction, simple construction, improvement of
medium flow channel, series standardization, convenient design and
selection, especially in high pressure, high temperature, large
caliber, thick wall pipeline, which is increasingly widely used,
replacing the traditional branch pipe connection method.
Common specifications
The branch pipe table body adopts high quality forgings, the
material is the same as the pipe material, there are carbon steel,
alloy steel, stainless steel and so on. The branch seat and the
supervisor are welded, and the connection with the branch pipe or
other pipe (such as short pipe, wire plug, etc.), instrument, valve
has three types of butt welding connection, socket welding
connection, thread connection. Branch platform commonly used
manufacturing execution standards such as MSS SP-97,GB/T19326
standards.
Characteristics
The branch pipe platform has the advantages of safety and
reliability, cost reduction, simple construction, improvement of
medium flow channel, standardization of serialization and
convenient design and selection, especially in high pressure, high
temperature, large caliber and thick wall pipes, which is
increasingly widely used, replacing the traditional branch pipe
connection method.
Composition technology
1. welding branch pipe table is generally made of integral
forgings. The structure of branch pipe table is divided into main
connection end, strengthening part and branch pipe connection end.
Evaluation of welding technology of 2. branch pipe table
V groove of the weld of the branch pipe table is a single side
groove, which can be determined as the combination weld of butt
weld (groove weld) and fillet weld.
welder qualification requirements for 3. pipe stand
Welders shall obtain relevant welding procedures in accordance with
the relevant provisions of the Detailed Rules for the Examination
of Welding Operators of Special Equipment
Project qualification, considering the pipe outer diameter cover,
should consider the branch pipe table groove surface diameter
(branch pipe outer diameter), the supervisor diameter is not within
the welder evaluation consideration range. When there is a
transition slope, the diameter of the groove surface refers to the
actual diameter measured from the groove surface, which is
generally smaller than the outer diameter of the branch pipe table,
while the pipe table is welded as a combination weld of butt weld
and fillet weld with groove in the branch pipe. As a result, welder
holding 6 G pipe certificate can be covered.
Classification
1. butt welding branch pipe table is the most common branch
connection. The end part is made into a groove and connected with
the straight pipe butt welding, so it is considered as a butt
welding pipe fitting. The design of butt welded branch pipe table
minimizes stress concentration and provides overall reinforcement.
The butt welding branch pipe table has three pressure grades:
STD,XS and Sch160.
2. the base of the socket branch pipe table is the same as that of
the butt welding branch pipe table, the branch connection is
connected by socket welding. There are two pressure grades of 3000#
and 6000# in the branch pipe table.
3. the base of the threaded branch pipe table is the same as that
of the butt welded branch pipe table, the branch connection is
threaded and does not need to be welded. Thread branch table has
3000#,6000# two pressure grades.
4. oblique branch pipe table is used for 45 branch. The connection
with branch pipe can be by butt welding, socket welding and thread
connection.
5. elbow branch table is used to provide branch connection on long
radius elbow or short radius elbow. The connection with branch pipe
can be by butt welding, socket welding and thread connection.
6. short pipe branch table is often used for valve installation and
exhaust. Thickness has two grades of XS and XXS, length from 3.1/2
inches to 6.1/2 inches, end for socket or external thread.
7. embedded tube seat shape is wavy, integral reinforcement.
Connect with branch pipe for butt welding, often used in low
pressure pipeline.
Basic information
Chinese name | 支管台 | mainly applied to | Reinforced fittings with branch connections |
Also called | Branch and saddle | act on | Instead of using different links |