Pipe Fitting

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Rich Production Experience

We have more than 20 years of experience in manufacturing valves and process valves. Our factory covers an area of 30,000 square meters and produces 5,000 tons of aluminum, brass, and copper products annually.

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We have more than 350 employees and have complete and professional product production lines, including gravity casting lines, machining lines, polishing lines and assembly lines, to produce high-quality products.

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Systematic management is implemented, equipped with modern testing machines, and personnel engaged in design and quality control processes to ensure product reliability and durability.

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We have passed ISO9001, CE and other certifications, and always provide customers with high-quality products and professional services. We are able to process a variety of finished products and parts based on custom orders, drawings and samples.

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What is Pipe Fitting

Pipe fittings are components used to join pipe sections together with other fluid control products like valves and pumps to create pipelines. The common connotation for the term fittings is associated with the ones used for metal and plastic pipes which carry fluids. There are also other forms of pipe fittings that can be used to connect pipes for handrails and other architectural elements, where providing a leak-proof connection is not a requirement. Pipe fittings may be welded or threaded, mechanically joined, or chemically adhered, to name the most common mechanisms, depending on the material of the pipe.

Types of Pipe Fitting

Elbows
Such pipe fittings are used to change the direction of the flow. ElbowsThey are majorly available in two standard types - 90 and 45 degree angles owing to their high demand in plumbing.

Couplings
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both.

Union
This type of pipe fitting is almost similar unionto coupling in terms of functions, but just with a difference, i.e. a union can be removed easily any time while the coupling cannot.

Adapters
Adapters are connected to pipes to either increase their Adapterslengths or if pipes do not have appropriate ends. These pipe fittings make the ends of the pipe either male or female threaded as per the need.

Nipple
In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other fittings.

6.Reducer
This pipe setting is used to reduce the flow size of the pipe from the bigger to smaller one. There are two kinds of reducers- concentric reducer and eccentric reducer.

Tee
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.

Cross
This type of pipe fitting containscross four openings in all thefour major directions. This fitting is adjoined to four pipes meeting at common point.

Flanges
A flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength; for easy attachment/transfer of contact force with another object; or for stabilizing and guiding the movements of a machine or its parts

Caps & Plugs
Both these pipe fittings are used to close the endsCaps & Plugs of the pipe either temporarily or permanently. The plugs are fitted inside the pipe and threaded to keep the pipe for future use.

Bushings
These pipe fittings are used to combine pipes of differentBushings sizes together by decreasing the size of the larger fitting to the size of the smaller pipe.

Wyes
Such type of pipe fittings are used in drainage systems and haveWyes a branch line at 45 degrees to keep the flow of water smooth. When the sanitary tees fail to work in a horizontal connection, such cases needs a wye.

Benefits of Pipe Fittings

Versatility

Pipe fittings come in a wide variety of types, sizes, and materials, allowing them to be customized to fit the specific needs of different piping systems and applications.

Pressure Regulation

Fittings designed for specific pressure ranges and applications help maintain proper pressure levels within a piping system, ensuring safe and efficient operation.

Connection Flexibility

Fittings allow pipes to be joined and linked in a variety of ways, allowing for the building of complicated layouts and networks. This adaptability is critical for dealing with changes in system design or overcoming hurdles.

Maintenance and Repairs

Fittings and connections facilitate maintenance and repairs by allowing portions of pipes to be separated without the need to cut or change the pipe itself. Downtime and related expenses are reduced as a result.

Aesthetic Considerations

We can improve the overall aesthetic of a system, particularly in prominent locations. Fittings that are well-designed and professionally fitted may improve the aesthetic attractiveness of a setup.

System Integrity

High-quality fittings from reputable manufacturers ensure the overall integrity and reliability of the piping system, reducing the risk of unexpected failures.

Common Metal Materials for Pipe Fittings

Aluminum

By itself, aluminum has low tensile strength and is used when high corrosion resistance is needed. It is alloyed with zinc, copper, silicon, manganese, and/or other metals to improve its strength and hardness.

Brass

It's strong, durable, and corrosion resistant, with high temperature ductility and good conductivity. Brass fittings can have various protective or decorative finishes which should match the finish of the piping.

Stainless Steel

Stainless steel is an alloy of steel that contains over 10.5% chromium, providing excellent corrosion resistance for sanitary applications and those dealing with aggressive fluids and materials.

Cast Iron

Cast iron fittings and pipes are used primarily in building construction for sanitary, storm drain, waste, and vent piping applications because of their resistance to abrasive materials like sand, gravel, solid wastes, and debris.

Copper

Copper fittings are important for many plumbing and heating applications, and are commonly used for residential water supply lines. Copper fittings are usually used in conjunction with copper piping, and come in either soft or rigid forms.

Steel

Steel is an alloy of iron and carbon; it is commonly alloyed with other metals to improve its corrosion resistance and durability. It is used in both commercial and industrial applications for carrying water, flammable gases, and other fluids.

Applications of pipe fittings

●The transfer of extremely hazardous materials such as chemical and waste.
●Protection of sensitive equipment from high pressures.
●Protection from corrosion and other extreme weather conditions.
●Resistance to household and industrial chemicals.

Considering the various purposes of pipe fittings, these pipe fittings are used in various industries like:

Chemical / Petrochemical

Food, Beverage, and Dairy

Municipal

Oil and Gas

Power

Process Instrumentation

Pulp and Paper

Semiconductor

Marine & dredging

Sanitation

Irrigation

Residential

Road & highway construction

Ventilation etc.

Selection Criteria for Pipe Fittings

Size and Dimensions

Ensuring a harmonious match between the size and dimensions of the fittings and the pipes they will link is absolutely vital. Fittings are available in a spectrum of sizes, typically measured in inches or millimeters. Incorrect sizing can lead to undesirable consequences such as leaks, pressure drops, or flow restrictions.

Pressure and Temperature Ratings

Always take into account the pressure and temperature conditions your pipe fittings will be exposed to. It is imperative that the fittings you select have the capacity to withstand the maximum pressure and temperature levels within your system, thereby averting any potential failures or safety hazards.

Ease of Installation

The ease of installation is an essential factor that can affect your budget. Easy-to-install fittings can lower labor costs, making them pricier initially but more economical in the future. If you have the capital to invest in your plumbing project, consider the ease of installation factor.

Material Considerations

Material is another factor that influences the cost of your pipe fitting. Materials such as copper or brass are undoubtedly expensive but offer greater durability and can last longer. This value for money plays a more significant role than the price factor.

Factors Affecting the Performance of Pipe Fittings

●Pressure-temperature ratings
●Size
●Design
●Coatings
●Materials
●Marking
●End connections
●Dimensions and tolerances
●Threading
●Pattern taper etc.

Manufacturing Process of Pipe Fittings

Mandrel Method/Hot Forming Method
After heating the raw material, it is pushed over a die called “mandrel” which allows the pipe to expand and bend simultaneously. Applicable to a wide size range. Characteristics of mandrel bending strongly depend on the integrated shape and dimensions of the mandrel.

Extrusion Method/Cold Forming Method
In the cold extrusion method, a pipe with the same diameter as a finished product is pushed through a die and formed into its desired shape. Usually applied to stainless steel small to medium sizes elbows.

“UO” Method (Welding)
In this method the plate is cut out into a specially designed shape, it is formed first into a U-shape using a die and then into an O-shape or tubular form using another die, that is why this method is known as UO method. Once the fittings formed in tumbler shaped it is welded from inside and outside of the closing seam. A cut plate is 1st from in U shape and then in O shape.

Hot Forming Die Bending Method
In this method the pipe is been inspected before any process. Then after cutting out pipe into specified length, it goes under elliptical forming using a die shown in the picture. For producing a specified radius for elbow, it bends in another die. In the next step the elbow goes under heat treatment. In the end shot blasting, cleaning, beveling and coating are done respectively to finalize the product.

Tips on Maintenance of Pipe Fittings

Inspections are Carried Out on a Regular Basis

Following a regular inspection plan can have a variety of positive side effects that can assist to enhance the general health of your workplace.

Utilizing the Proper Tools

Operator mistake is typically the greatest hazard to the fitting stability or another piece of equipment in a setup. Always ensure that your equipment is being used to its greatest capacity.

Installing the Correct Equipment

If the right equipment is employed, pipe and butt weld fittings are exceptionally robust and sturdy. Regardless of the need for inspections, competent manufacturers typically make dependable things that should survive exact usage in most settings.

Lubrication and Cleanliness are Crucial

Anyone who has spent extensive time working in an industrial environment understands how difficult it is to keep personnel and equipment clean. Preventative steps that might assist make a workspace more organized are usually disregarded due to the incorrect perception that there isn’t much that can be done to preserve order.

Company Certificate

We have passed ISO9001, CE and other certifications, and always provide customers with high-quality products and professional services.

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Our Factory

Our company was established in 2008, capable of processing all kinds of finished products and parts, and your customized orders, drawings and samples are always welcome to complete.

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Cooperating Partners

We have cooperated with many well-known brands and sincerely look forward to cooperating with you.

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Ultimate FAQ Guide to Pipe Fitting

Q: Is pipe fitting the same as plumbing?

A: Plumbers work in low-pressure environments such as sewage and tap water systems. They work in plumbing systems to connect pipes with glue, solder, and threads and fit toilets, sinks, faucets, and taps. Unlike plumbers, pipefitters work in high-pressure environments in industrial settings.

Q: What is the most common pipe fitting?

A: Most popular: 90 & 45 degree angles elbows. Elbows are a critical fitting used in plumbing. Street elbows feature male and female threaded ends to easily connect differing pipes or fittings. Side outlet elbows featuring a bend serve similar to a tee.

Q: What is pipe fitting coupling?

A: A pipe coupling (or coupler) (used in piping or plumbing) is a very short length of pipe or tube, with either socket or female threads at one or both ends that allow two pipes or tubes of equal or different sizes to be joined together. Couplings are pipe fittings that help to extend or terminate pipe runs.

Q: Is pipe fitting a skill?

A: Pipefitting is a skilled trade that involves installing, maintaining, and repairing pipes, valves, and fittings used in various industries such as construction, manufacturing, and energy. Pipefitters ensure the safe and efficient flow of liquids, gasses, and other materials through a piping system.

Q: What tool is used in pipe fitting?

A: Whether it is two hole pins, centering heads, hi-lo gauges, welding tools, marking tools, cutting tools, wraparounds, pipe spacing tools, or pipe clamps. We have them broken down into the subcategories and into brand names to help you find what you need.

Q: 6.What are the three types of pipe fittings?

A: ●Elbow Pipe Fittings. Elbows are used to change the direction of flow between two pipes. Elbows are generally available with an angle of 22.5o, 45o and 90o.

●Reducer Pipe Fittings. Reducer is a pipe fitting component which reduces the flow size from larger to smaller by reducing size of pipe.

●Tee type Pipe Fitting. Tee type fitting is a component of plumbing system which is in T-shape. It is having one inlet and two outlets, outlets are arranged at 90o to the main line connection (inlet).

Q: Which fitting is best for plumbing?

A: We use brass pipes for plumbing installations for a long span, even more durability than copper. When using this material, a critical requirement is guaranteeing that the alloy does not hold lead. Red brass pipe is the best option for various buildings since it contains a high extent of copper material. Brass fitting applications: water removal drains, water supply lines, pump fittings, water tanks, and wells.

Q: How do I know my fitting size?

A: Measure the inside diameter (ID) of the female thread and the outside diameter of the male thread (OD). This number will be used to figure out the size of the thread. To find the nominal size, count the threads on a fitting and look at the thread chart earlier in this guide.

Q: How are fittings sized?

A: AN fitting size is measured over the thread. Below, the thread is presented in inches / metric dimensions in the thread / metric outer diameter. Here, the thread is presented in inches / metric inner diameter. An approximate internal dimension of AN hose ends is presented here.

Q: What is the difference between a fitting and a coupling?

A: A fitting attaches a hydraulic line to anything else. A coupling is a specialized fitting which attaches two hydraulic lines to each other, end-to-end, and which cannot be removed without first detaching one of the hydraulic lines from some other object.

Q: What is PVC pipe fittings?

A: A pvc pipe fitting or a pvc pipe connector is a gadget that is used to connect sections of s pipe or a tube. There are many types of PVC pipe fittings used in plumbing. Each type has a specific function and can be used in certain applications.

Q: What is brass pipe fitting?

A: Brass fittings are a type of plumbing fixture that is made out of brass, a type of metal. Brass fittings are used to connect two pieces of plumbing together. There are many different types of brass fittings, including brass couplings, elbows, brass tees, and caps.

Q: Why are brass fittings so expensive?

A: In general, brass is more expensive than copper. This is because brass is an alloy made from copper and zinc, while copper is a pure element. The cost of zinc, as well as the cost of refining and processing the two metals into an alloy, contributes to the higher cost of brass compared to copper.

Q: Are brass fittings good for plumbing?

A: When you have a plumbing project that needs to have a long lifespan, brass is a good choice because it lasts for a long time without disintegrating or even cracking. It's also perfect for use in hot water supply lines. Brass doesn’t rust and it is highly resistant to corrosion. Rust and corrosion rapidly speed up the natural wear and tear process on the fitting.

Q: What is the difference between pipe fittings and tube fittings?

A: Tube is normally used for structural purposes and sizing is based on the exact outside diameter and wall thickness of the tubing. Pipe is normally used to transport gases or fluids and sizing is based on the nominal outside diameter (NPS) and wall thickness.

Q: What type of welding is pipe fitting?

A: Arc welding. Pipe welding uses arc welding techniques, including shielded metal arc welding (SMAW), gas metal arc welding (GMAW) – including both MIG and MAG welding, flux-cored arc welding (FCAW), submerged arc welding, and tungsten inert gas (TIG) welding.

Q: How tight should a pipe fitting be?

A: A simple rule of thumb for installing tapered pipe threads, both metal and plastic, is finger tight plus one to two turns with a wrench. Be cautious of overtightening NPT and NPTF connections. FTHT (Fit to Hand Tight) is the threaded assembly screwed together hand-tight but without any sealant applied to the threads.

Q: Can you over tighten a pipe fitting?

A: They should be hand tightened and then another 1 or 2 turns, but no more. More turns will put too much pressure on the fitting and may crack it and cause a leak. The Tensile Stress created by tightening the fitting beyond hand-tight and 1 or 2 more turns will crack the female fittings. A sealant should be used that is compatible with the material of the fittings.

Q: What are the methods of pipe fittings?

A: There are four pipe connection methods: the welding connection, the flange connection, threaded connection and socket connection. The most commonly used in engineering is welding connection and flange connection. The welded connection of the pipeline has high strength, good tightness, no accessories, low cost, and convenient use. The flange connection is a connection method that connects the pipe fittings together by connecting the pipe and the end of the pipe fitting (flange plate).

Q: Is a pipe fitting used to stop leakages?

A: It is made by crimping, or compressing, a ferrule onto the end of a pipe or tubing, which then helps to secure it to another fitting, such as a fitting with threads or a compression fitting. The crimp fitting works by providing a tight, secure connection between the two parts, creating a seal that prevents leaks.

As one of the most professional pipe fitting suppliers in China, we're featured by quality products and competitive price. Please rest assured to wholesale cheap pipe fitting for sale here and get quotation and free sample from our factory. Also, customized service is available.

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