What Are Tee Fittings? | Blog

Fittings are commonly used to join multiple sections of tubes or pipes. They function as connectors. You can install a fitting between two pipes, for instance, to join them. While there are many different types of fittings, one of the most common is tee.

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The Basics of Tee Fittings

Tee fittings are characterized by their T shape. As shown in the photo above, they feature three branches: one in the middle and two on the side. With the center branch being perpendicular to the side branches, tee fittings are shaped like the letter T. Tee fittings are commonly used in plumbing, water and fluid systems.

How Tee Fittings Work

Tee fittings are designed to join multiple sections or tubes or pipes. Most of them are threaded. There are tee fittings with external threading, such as those depicted in the photo above, and there are tee fittings with internal threading. Using this threading, you can join sections of tubes or pipes to a tee fitting.

It&#;s important to note that tee fittings function as branch connectors. They can take a single line and turn it into two outlets. The center branch is the main line, whereas the two branches on the side are the outlets.

Equal vs Reducing Tee Fittings

Most tee fittings fall under one of two categories: equal or reducing. Equal tee fittings feature openings of equal diameter. All three openings are essentially the same size.

Reducing tee fittings feature openings of different sizes. With reducing tee fittings, the single inlet in the center has a larger diameter than the two outlets on the side. Reducing tee fitting gs are used to divert the flow of water or fluid from a large tube or pipe to two smaller tubes or pipes.

Tee Fitting Materials

You can find tee fittings made of different materials. One of the most common materials in which they are made is aluminum. Aluminum tee fittings are lightweight, workable and highly resistant to corrosion.

In addition to aluminum, there are copper tee fittings. Copper tee fittings are more durable than aluminum tee fittings, but they also cost more. Copper tee fittings are also heavier, which may limit the applications for which they can be used.

In Conclusion

Tee fittings are vital components in many plumbing, water and fluid systems. Also known simply as tees, they are connectors shaped like the letter T.

What Is A Tee In Pipe Fitting?

Pipe Tee is a most frequently used pipe fitting or connector nowadays. It functions the same as olets that means it is used to take a branch connection for linear pipeline. As the name TEE represents, the shape is T-shaped with two outlets, at 90° to the connection to the main line. It is a short pipe piece with an integrated outlet. This is used to connect and take taping with a pipe at a right angle with the linear line. These can be fabricated with various materials such as (Stainless steel, Carbon steel, Cast iron, Nickel, Aluminum, Copper, Brass, Bronze, Plastic, Rubber, Polypropylene etc) and available in a variety of sizes and finishes (Galvanized, Nickel plated, Black cast steel, White coating, Gold finish electroplated, etc) that can be selected as per end user requirement. Pipe tees are mostly used in pipeline networks to transport two-phase fluid mixtures, and this can also be used instead of Olets. 

General construction of TEEs is three sides of openings in pipe tees, two openings are leaner to each other, and another one is at 90 degree and in some special cases it will be changed as per user requirement. In the straight pipe tees which have the same size openings of all sides called (Equal Tee) or may be Reducing means that (one opening of different size and two openings of the same size). There are sanitary pipe tees (these kind of pipe tees have a curved branch which is designed for a clean out plug) which are used in waste lines. The benefits of this is, used to prevent obstruction of waste. And there is also a variety available that is cross pipe tee, It has four equal sized female openings. But this is not used for high pressure systems and not frequently as well, mostly that is available in threaded opening and opening is used in conjunction with a threaded plug for a clean-out opening on a drain pipe. ASME standards for Tees design will be ASME/ANSI B16.9 or ASME/ANSI B16.11 and constructed by forging or casting.

Applications of Pipe Tees: 

A variety of applications of Pipe Tees are mostly used in industrial applications (Chemical processing pipeline, Petroleum, Gas compression unit, Pulp/paper, Refinery, Textile, Waste treatment, fluid power systems, Marine Utilities/power generation, Industrial equipment, Automotive).

How Does A Tee Fitting Work?

This is a static part of the piping system, used only for connecting two, three, different pipe lines at a single location; these all pipes which need to connect through Tee may be the same in diameter, schedule/ pressure class, or might be changed according to user requirements. The main work of Tees is to distribute the services fluids in different direction angles. 

How many types of tees are there?

Straight Tees, Reducing Tees, Barred Tees, Wye Tee or Lateral, and Cross.

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Further Tees are classified depending on end connection type these are as follows. Socket weld end, Threaded end connection type, Flanged end connection type and Butt weld end connection type, plan end and bevel end. 

Why Are Equal Tees Used?

Equal Tees are used to connect pipes if all openings are equal in diameter but branch connection will be any angle like 90, 45 degree or any others. And this is used if all branched pipe has the same diameter required except the same design and dimension will be followed to fabricate.

Why Are Unequal Tees Used?

The unequal Tees are used to connect pipes if all branched pipes are unequal in diameter but branch connection will be any angle like 90, 45 degree or any others or where one or two of the tee outlets will be smaller diameter than the other. But the same design and dimension will be followed to fabricate as equal Tees.

What&#;s The Branch Of A Tee?

The Branch of Tees means that take taping from pipeline to Tee at any angle like 90, 45 degrees. That will be the same size or reducing type (means that branch pipe diameter size is different as existing pipeline).

What Is The Difference Between A Sanitary Tee And A Regular Tee?

Sanitary tees are the same in t-shaped sanitary pipe fittings used in the branch pipe of the main pipeline and this connects a branch line to a vertical drain line or vent line. Sanitary tees can be made with an existing pipeline diameter or different diameters to connect to other pipes or valves with different fitting sizes. Sanitary Tees   are available in many different capacities, classes, shapes and sizes, but all of them only have two main types of sanitary tees which are most frequently used in industries and plumbing. 

How To Select Pipe Tee?

Selection Of Pipe Tee

There are many parameters for selecting an appropriate pipe Tees, some of the important are given below. 

1. Choose DN (nominal diameter) and schedule 1st pipe end like (100NB X 100NB X 25NB).
2. Types of Tees required (Equal type means like 100NB X 100NB X 100NB, or Unequal type like 100NB X 100NB X 25NB).

 

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