What Is Pipe Fittings | Types of Pipe Fittings
What Is Pipe Fittings?
Important Point
Pipe fittings are the process where we divert the flow of the water by using piping components like tees, elbows, etc. In pipe fittings, we change the pipe sizes by using reducing tees, reducers, etc.
Here, we use coupling to connect the flow of water and caps to stop the water.
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Types of Pipe Fittings
There are different types of joints are available, those are.
- Cross, Tee, Wye and Elbow Fittings
- Tee & Wye Fittings
- Cross Fittings
- Elbow Fittings
- Adapter, Bushing, Coupling and Union Fittings
- Coupling and Adapter Fitting
- Bushing Fittings
- Union Fittings
- Flange and Trap Fittings
- Trap Fittings
- Flange Fittings
- Plug, Cap, Nipple Fittings
- Cap Fittings
- Plug Fittings
- Nipple Fittings
1. Cross, Tee, Wye and Elbow Fittings
The list of cross, tee, wye and elbow fittings are as follows.
1.1. Tee & Wye Fittings
This type of joint is used to connect three pipes. Here, one inlet is there and two outlets, these are available in the 90-degree bend which is shape of English letter ‘T’.
This is used to split the water flow into two parts or join the two water flows into one. The shape of Wye is like English letter ‘Y’ which is basically a 45-degree bend and it is used in drain application. A Wye has two inlets and one outlet. The side pipe of Wye is used to release the sewer gases in upward direction.
1.2 Cross Fittings
This type of fitting has four openings and here it is used as three inlets and one outlet or three outlets and one inlet. It is generally used in sprinkler systems or irrigation systems.
1.3 Elbow Fittings
This fittings have one opening and it has different bends of 90 degrees, 45 degrees, 60 degrees and 22.5 degrees. Elbow fitting is used to avoid obstructions in the pipe run.
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2. Adapter, Bushing, Coupling and Union Fittings
The list of adapter, bushing, coupling and union fittings are as follows.
2.1 Coupling and Adapter Fitting
Coupling is used to connect two pipes, which slips over it and connects permanently. It is generally used to connect a large size pipe with a small one. Adapters are connected when different types of pipes are there like one is a normal pipe and other one is a threaded pipe.
2.2 Bushing Fittings
A bushing is used to reduce the pipe fitting because the inlet of this is large and outlet is small; that’s why it is called reducer bushing.
2.3 Union Fittings
Unions connect two same pipes by threaded rings or nuts. We can easily disconnect the connection by loosening the rings or nuts which is not possible in the coupling.
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3. Flange and Trap Fittings
The list of flange and trap fittings are as follows.
3.1 Trap Fittings
Trap is basically a horizontal bend which is fitted in the drainage system of the kitchen or bathroom. The shape of traps are generally ‘U’ and ‘P’ shaped. The traps contain water which is used as the barrier which prevents entering the sewer gases.
3.2 Flange Fittings
Flange fittings are flat fittings which used to seal by using clamps or bolts. This is used through walls, floors, ceilings, etc.
4. Plug, Cap, Nipple Fittings
The list of plug, cap, nipple fittings are as follows.
4.1 Cap Fittings
This is generally used to stop the flow of the flowing materials. This is temporally used to stop when the plumbing work is ongoing.
4.2 Plug Fittings
Plus settings are used at the end of the pipe. A plug is only fits with a threaded pipe.
4.3 Nipple Fittings
It is a small section of male threaded which connects with two female thread.
Different Types of Pipe Fittings in Plumbing Related Viedo
Pipe Fittings
- Elbow Pipe Fittings.
- Reducer Pipe Fittings.
- Tee Type Pipe Fitting.
- Cross Type.
- Coupling.
- Unions.
- Adaptors.
- Olet.
How Do You Buy a Pipe Fitting?
They’re sized by the nominal size of the pipe, or the inner diameter. If you buy a 1/2 inch thread and measure the diameter, it will measure over 1 inch because it’s designed to have a nominal pipe fitting. The female fitting should be sized just as large as the male fitting to get the right fit.
Sink U Bend
To prevent sewer gasses from entering your living space. The pipe bend known as the trap ensures that there is a water seal separating the sewage system from the inside of your home.
Plumbing Joints
- Threaded Joint.
- Brazed Joint.
- Soldered Joint.
- Welded Joint (Butt Welded, Socket Welded)
- Flanged Joint.
- Compression Joint.
- Grooved Joint.
NPTF Thread
National pipe taper fuel (NPTF), also called dryseal american national standard taper pipe thread, defined by asme b1. 20.3, is designed to provide a more leak-free seal without the use of ptfe tape (often referred to by the popular brand name “teflon”) or another sealant compound.
Pipe Socket
A socket is a fitting that simply goes over the end of a pipe. A 1″ socket end will fit on a 1″ pipe. These are extremely common. Many PVC couplings have socketed ends. A spigot fits inside a socket, so it is the same size around as regular pipe.
Plumbing Reducer
A reducer reduces the pipe size from a larger to a smaller bore (inner diameter). Alternatively, reducer may refer to any fitting which causes a change in pipe diameter. This change may be intended to meet hydraulic flow requirements of the system or adapt to existing piping of a different size.
Copper Pipe Leaking at Connection
Do most times as a quick fix is to apply a tad bit of flux on the area heat it and apply a bit of solder to patch the pinhole. By doing this your only surface filling the pinhole.
Leaking Copper Pipe Joint
Do most times as a quick fix is to apply a tad bit of flux on the area heat it and apply a bit of solder to patch the pinhole. By doing this your only surface filling the pinhole.
Bushing Plumbing
Bushing. A pipe fitting used to join two pipes of different sizes. A bushing is threaded inside and out.
Tee Plumbing
Pipe tee fitting is a fitting that has a t shape. It has two outlets at an angle of 90° each and one main connection line. It is a pipe that has adjacent outlets and used to connect pipes at 90° angle. Pipe tee fittings are used for commercial as well as industrial applications.
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