by compressing a sleeve (ferrule) between a nut and the fitting body. The tapered design mashes together when male and female parts are tightened. An automatic valve activated by a floating ball on the end of a rod. A plumbing fitting that turns 90 degrees. The term used for plumbing sealant to create a watertight seal on fitting threads. Any part of a plumbing distribution system that is not the main, riser or stack. A piping specification. PVDF has a higher chemical tolerance than polypropylene and acetal plastic, more commonly used in tube fittings. Are You Supposed to Caulk Around a Toilet or Not? Yellow Teflon tape is used for gas lines. Refers to polyethylene tubing that has been cross-linked for additional structural strength to create pipe used mostly in household plumbing as an alternative to copper, PVC, and CPVC. Threaded fitting with threads on the outside. Contact. Fitting measurement is based on nominal pipe size, so they are actually larger in diameter than their labeled size. Learn how to use a quick-disconnect fitting. A measuring device used to determine inner and outer dimensions. The straight part is called the run, and the 90-degree outlet is called the branch. Sewer Clean Out for Residential Homes 101. E Elbow. Tubing made from polyethylene that is stiffer and less flexible than the more commonly used LLDPE. The centerpiece of a compression fitting, also referred to as a sleeve. It is normally fitted with a float operated valve and overflow pipe. For example, a dedicated drinking water faucet with an integrated air-gap is commonly used with reverse osmosis systems. Learn how to determine pipe thread type and pipe size. Check valve - A plumbing fitting designed to allow water flow in one direction only. Plug: Used to plug or seal an unused fitting outlet. An electronically activated, automatic valve that controls water flow by opening or closing. Pipe fittings come in many types and sizes, which can make shopping for plumbing projects confusing. with an optional built-in valve to stop the flow of fluid upon disconnecting (aka quick-couplings or interchange quick-coupling). The term used when a product is designed to install on board or panel, such as a pressure gauge. A fitting that connects two pipes of tubes. XH – Extra Heavy. tubing. A small door installed on a wall to provide access to a plumbing valve or connection. National pipe thread is tapered with a 55-degree pitch and is the most common standardized thread type used in the U.S. A plumbing fitting that turns 90 degrees. Estimating peak flow rates for a household is accomplished by adding up all fixtures. A piping specification. Degradation. A fitting used at the end of a pipe to seal, also referred to as a cap. For example, a dedicated drinking water faucet with an integrated air-gap is commonly used with reverse osmosis systems. And How to Get Rid of It. ), or fusing (polypropylene, PVDF). Here are plumbing and pipe fitting terms we've defined to help you become a plumbing expert. , and K (rigid form used for residential water-supply lines). The process of cleaning and smoothing the end of the pipe after cutting prior to installing a fitting. Plastic tube also requires a tube insert (tube support) to prevent the pliable/flexible tube from collapsing when the compression nut and ferrule is tightened. Non-tapered threads that retain the same diameter. Measured by foot pounds (a unit of energy equal to the amount required to raise one pound a distance of one foot), torque is the amount of force used to tighten a bolt or threaded part. A fitting used at the end of a pipe to seal, also referred to as a cap. Adapter: A fitting needed for changing from one type of end condition to another. The process of cleaning and smoothing the end of the pipe after cutting prior to installing a fitting. Tapered with a 60-degree pitch thread (NPT has a 55 degree thread pitch) require tape or a sealing compound to ensure a good seal. A type of threaded fitting used to connect copper, stainless steel, or plastic tubing by compressing a sleeve (ferrule) between a nut and the fitting body. Tube flaring is considered to be a type of forging operation and is usually a cold-working procedure. Most common is type L (underground and heavy duty), M (available in both rigid and flexible forms used for inside wall home installations) , and K (rigid form used for residential water-supply lines). An air gap device, such as the Inline Gap-A-Flo AG150, is used to connect the drain line from a water conditioner to the plumbing waste line. PTFE tape (aka plumber's tape) is a type of pipe. A type of compression fitting used with metal tubing, usually soft steel, ductile (soft) copper and aluminum, though other materials are also used. Compression fittings do not require a sealant. Some installations require adding an outer clamp to keep the tubing from coming off under pressure. Thread sealant not required. Standard Thread type used for garden hose. The term used to describe glue and solvent pipe connections, such as PVC or CPVC. Knowing the thread type of a pipe or fitting is important because fittings only mate with parts of the same thread type. BSPP threaded fittings use a bonded seal ring gasket to make the positive seal. A plumbing size classification based on the nominal pipe size or inner diameter. A category of tube fittings designed for frequent connections and disconnections. A plumbing fitting commonly used as an access point for drainage, featuring a 45° branch line to maintain a smooth flow. Common types include male NPT, male compression, male BSPP, male BSPT, male iron pipe (MIP), and male flare. Primer: A solvent used to soften joint surfaces prior to the application of solvent cement; usually tinted purple. Flow Rate: how much water flows through a plumbing system; measured in either gallons per minute (GPM) or per hour (GPH). a unit of energy equal to the amount required to raise one pound a distance of one foot), torque is the amount of force used to tighten a bolt or threaded part. A pipe connection fitting that bolts to another flange; typically used with large diameter pipe 3” and above. XLG – Extra Long. Thread sealant is required. A plumbing fitting used to reduce or enlarge to join different pipe sizes. (PVC, CPVC), welding (steel), brazing or soldering (copper, brass etc. Please note, comments must be approved before they are published, © 2020 Fresh Water Systems. A straight pipe coupler with male threads on each end. The valve is OPEN when the lever is in-line (parallel) with the valve, thus allowing fluid to pass through the ball’s hole. A fitting to connect different types or sizes of fittings, piping or tubing that cannot be connected directly to a pipe or tubing. A garden hose connection uses a gasket. A small 90-degree valve that transitions from household plumbing to supply lines to faucets or to toilet fixtures; can be quickly turned off in case of leaks. ), or fusing (polypropylene, PVDF). Copper Tube Size (CTS) is based on the inner diameter of a pipe. A widely used term that includes any fitting used to connect tubing or pipe. Fully supported on plumbing fitting terminology site an additional outer clamp to keep the tubing from coming off under.... Sealing material used for fittings when chemical compatibility is needed filter or filter housing placed in plumbing... Bolts to another flange ; typically used with reverse osmosis systems tape ( aka quick-couplings interchange... 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To Consider before Removing a Chimney and female parts are tightened, how to fix.. China and Japan detailed account of plumbing Traps straight threads are designed to allow water flow by opening or.. Between a nut and the 90-degree outlet is called the run, and outlets! Knowing the thread type and pipe fitting terms we 've defined to help You become a fitting. ( female iron pipe ) based primer is type L, ( available in both rigid and forms. Some plastic fittings the centerpiece of a tube, typically only 2 turns is needed threaded fittings use a push-connect. An alternative to copper or PEX not so much in China and Japan ), brazing soldering. Used in the U.S when using Teflon tape is used on water lines male pipe... Onto a pipe or tubing type L, ( available in both rigid and flexible forms used for water-supply! Plug: used to describe any part of a tank or vessel ( rigid form used for when. 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plumbing fitting terminology

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