Barred Tee

A barred tee is a tee or any fitting with a branch used in pipelines that is pigged and has a restriction bar welded internally preventing the pig from traveling down a branch connection.

Barred tee is a pipe fitting that is used in a pig launcher or receiver system in a piping system to ensure the pig could pass the branch safely.

Barred Tee for long distance submarine oil and gas pipeline.
Barred Tee for long distance submarine oil and gas pipeline.
Design considerations for barred tee
Barred tee

Barred tees are pipe fittings with two outlets, one at 90 ° to the connection to the main line that has tiny holes. Barred tees can either be extruded or fabricated and are used to connect two pieces of pipe or fittings. Barred tee is used in pipelines that are pigged.

Datasheet of a pipe barred tee

Difference between tee and barred tee

Tee or Tee connection in piping engineering is a very important pipe fitting and is frequently used to combine or divide a flow. Two types of Tee are available, Equal Tee and Reducing Tee. However, in pigged pipelines, one special type of tee connection is widely used which is known as Barred Tee or Pigged Tee.

So from the above discussion, we can summarize the following differences:

Barred Tee for long distance submarine oil and gas pipeline.
Parameter Tee Barred Tee
Definition Standard Pipe Fitting A special type of piping component
Manufacturing Generally by Extrusion or forging Mostly Fabricated
Use Used in both piping and pipeline engineering used in pipeline engineering near the pig launcher/receiver
Design Code / Standard ASME B 16.9/MSS SP 75 Shell DEP or ISO 15590-2
Production Quantity Large scale in bulk Select small quantities (custom made)
Cost Cheaper Costlier than normal Tee
Tee vs Barred Tee

Tee is a type of fittings that allows fluid to flow on its main pipe and branch out. The branch can be designed equally the same size as the main pipe (known as Equal Tee), or smaller size than the main pipe (known as Reducing Tee).

Barred Tee is a special type of Tee that base from a normal tee (can be either equal tee or reducing tee) that at later stage, will be added with bar plates inside the branch outlet (From inside it looks like a steel cage) to restrict the pig from flowing from the header pipe into the branch pipes.

Common types of pipe tee

A pipe tee is a type of fitting that has a T shape and is used to join two or more plumbing pipes.
Tee Size

Size range: 1/2 to 72 inches

Pressure: SCH5 to SCH160

Pipe elbows
Welding Bevel acc. to standards:

Industrial Processes : Bending, squeezing, pressing, forging, machining and more

Features of Pipe Tee:
Related products of pipe tee:
Applications of pipe tee:
Pipe Tees are widely used in various commercial and industrial applications. Industrial applications include:

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Fitting specification, Standard and identification

There are different varieties of pipe fittings made of various materials and available in various shapes and sizes.


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