Adaptors are used for PVC and copper piping. Appearance: Bright, shiny chrome finished pipe of smaller diameter (3/8” or less). Built in the shape of the letter “Y,” this fitting is made to connect three pipes. by Eliot Keefe | PLUMBING INFO, Troubleshooting | 0 comments. The pipe is joined using threaded black pipe fittings. Still, we would like to stress once again that this guide aims to provide you with some basic information about plumbing fittings. Y fittings allow the pipes to change their elevations and to branch out into fresh water lines or drains. A tee has an inlet and an outlet and is shaped like the letter “T.” These fittings come in different sizes and are considered sturdier than the cross fitting. They come in many different types, and they are usually differentiated by their function, the type of connection they perform, and the materials that they are made of. Kohler Elliston Toilet Review: Is This the Best Throne for You? Prevalent Use: Rigid copper pipes are used for longer runs of water supply, and in some cases as waste lines in the home. Your email address will not be published. Unions can have either male or female threads. A union is quite similar to a coupling, besides the fact that we can remove it from the position we’ve placed it in whenever we want. The wye also connects three pipes, but in an intersection shaped like a “Y” set at a 45 degree angle. Adaptors connect pipes that are not the same type. In order to get the best results and avoid any risks, we recommend calling a professional plumber who can take care of the problem for you. An older plumbing system may be dominated by cast iron and galvanized iron, while a new home will have plastic pipes of various types used almost exclusively. Not surprisingly, this sort of fitting has a bend that reminds you of the arm joint. This is a type of nipple, but it has threading on both the inside and the outside. Required fields are marked *. Most often, caps and plugs are threaded. The second of the two main types of reduction plumbing fittings is actually called the reducer. Consequently, it should not be taken as an encouragement to take matters into your own hands and try to fix your plumbing issues. However, because they may need to be used in a emergency, they should be checked now and then to see if they’re operational. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board, venting of high-efficiency condensing furnaces, PVC (PolyVinyl Chloride) for plumbing waste lines, Copper (rigid and flexible) for water supply lines, CPVC (Chlorinated Poly-Vinyl Chloride) for water supply lines. A tee has two outlets and one inlet and it is typically more sturdy than a cross fitting. Wyes are used to change elevations using fittings to straighten the piping run or to pick up branch waste or water lines. A double tapped bushing is also a type of reducer, but does not have a reducer’s flexibility. The Spruce uses cookies to provide you with a great user experience. It is often used to repair sections of broken cast-iron waste pipe as well as repairs to other drain lines. They help the flow of water change direction. Copper has proven itself over the decades to be corrosion resistant and very reliable. A cross fitting has openings on all four of its ends and can connect four pipes. Appearance: Bright, shiny chrome-finished pipe of larger diameter (more than one inch). Description: Chromed brass is often used in lieu of PVC for exposed waste line applications, such as “P” traps or other drain traps where appearance is important. This fitting usually reduces the size of the flow by making it smaller. Because they are the connecting point for four pipes, they are under more stress than other types of fittings. You can find caps made of plastic, rubber, steel, or copper. Prevalent Use: Use for main soil stack waste lines and vent pipes. This type of plumbing fitting has 4 openings in 4 different directions, which is why it resembles a cross. The flexible copper pipe may also be terminated by flaring its end and using brass flare fittings. The pipe is joined by using threaded galvanized iron fittings. sequester a part of the plumbing system so that the system can be serviced or maintained. For this reason, it is no longer commonly used and has been largely replaced with copper pipe or PEX plastic pipe. Prevalent Use: Water supply lines and drain lines in older homes. Best Bio Bidet for You: Finding the Perfect Machine to Get You Clean, 5 Effective Ways to Fix an Air Lock in Pipes. Appearance: Dull silver-gray rigid metal pipe. For instance, we can find plumbing fittings made of aluminum, brass, steel, or copper. Sections are joined together with soldered copper connectors or copper compression fittings. Cutting and Fitting: Copper pipe is easily cut with a tubing cutter or hacksaw. Prevalent Use: Exposed water supply lines, such as supply tubing for toilets or pedestal sinks. Today, we are going to look at the 12 main types of plumbing fittings according to the function they serve. Description: PEX is made of cross-linked HDPE (high-density polyethylene) polymer and is an incredible piping material that has been in use since the 1970s. Cutting and Fitting: PEX is cut and fit with specialized fittings and tools. Cross fittings come with three inlets and an outlet or three outlets and an inlet. Appearance: Dull, copper-colored metal pipe. Description: CPVC is an inexpensive rigid plastic that is designed to withstand high pressure and temperature. This website uses cookies to ensure you get the best experience on our website. Securing cast-iron pipes and fittings together is done using special methods, including lead and oakum in soil pipe joints, hubbed fittings or hubless couplings using pressure bands, and other methods usually unfamiliar to the homeowner. Plumbing Materials Name , Picture and Function. This is a female fitting, … This connects two pipes through the use of a screw or other device. Otherwise, they basically serve the same purpose, which is to cover a pipe opening. It is often used for feeding gas supply to the furnace, boiler, or water heater. It is a strong, chemical-resistant rigid pipe that is heat resistant and easily cut and fit. Reducers come in two types. A coupling, on the other hand, is more permanent and needs to be cut out. A diverter tee is used in heating systems that use water. As the name suggests, the cap type of fitting is used to cover a pipe. They are usually male and come in varying lengths. Cutting and Fitting: Can be cut using a reciprocating saw or hacksaw. Cap. So, adaptors can be either male or female. Here are types of plumbing materials used in piping for waste lines, water supply pipes, and natural gas supply: Appearance: Large-diameter heavy metal pipe, dull black with a rough, mottled surface.

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