Pipe Fittings
Pipe fittings (pipe fittings) play a vital role in piping systems. They meet the needs of various piping systems through different connection methods, materials and manufacturing processes. When purchasing and installing pipe fittings, a variety of factors need to be taken into account to ensure that their quality and performance meet the requirements.
Classification
Pipe fittings can be categorized according to different classification criteria, including but not limited to:
Classification by use
● Connection fittings: Such as flanges, live joints, pipe hoops, clamp hoops, ferrules, throat hoops, etc., used for interconnecting pipes.
● Direction change fittings: Such as elbows, bends, can change the direction of the pipe.
● Pipe diameter change fittings: Such as reducer (reducer), reducer elbow, branch pipe table, reinforcement pipe, used to change the diameter of the pipe.
● Increase branch fittings: Such as tees, crosses, can increase the pipeline branch.
● Sealing fittings: Such as gaskets, raw material bands, line hemp, flange blind, pipe plugs, blind plates, headers, welded plugs, etc., for pipeline sealing.
● Fixed fittings: Such as rings, tow hooks, rings, brackets, brackets, pipe cards, etc., used for pipe fixing.
Classified by connection method
● Welded fittings: Connected by welding.
● Threaded fittings: Connected by threading.
● Tube fittings: Connected by using ferrules.
● Clamp fittings: Connected by clamps.
● Socket fittings: Connected by socket.
● Other connection fittings: Such as adhesive fittings, hot melt fittings, curved bullet double fusion fittings, glue ring connection type fittings, etc.
Classified by material
● Cast steel pipe fittings: Made using cast steel material.
● Cast iron pipe fittings: Made of cast iron material.
● Stainless steel fittings: Made of stainless steel material, with good corrosion resistance and high temperature resistance.
● Plastic pipe fittings: Made of plastic materials, such as PVC pipe fittings, PPR pipe fittings, etc., with light weight, corrosion resistance, easy to install and other advantages.
● Other material fittings: Such as rubber fittings, graphite fittings, forged steel fittings, alloy fittings and so on.
Manufacturing Process
Manufacturing processes for pipe fittings include a variety of methods, such as forging, casting, and welding. Among them, forged pipe fittings are usually manufactured using hot forming and cold forming processes. Hot forming processes include mandrel method (hot forming), hydraulic projection method (cold forming), etc. Cold forming processes include deep-drawing and extrusion methods. In addition, for large-diameter fittings, they are usually manufactured using plates and joined by welding, etc.
Your Professional Pipe Fittings Supplier
Our goal is to become your true partner in the field of pipe fittings in China. Zhejiang Gangda Flange Pipe Fittings Co., Ltd. is specializes in the production of flanges and pipe fittings. The company has been committed to the manufacturing and research and development of flange pipe fittings for petroleum, petrochemical, power, natural gas and other projects. Our company is committed to applying advanced manufacturing technology and strict quality control standards to every product. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why Choose Us
Quality control
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.
OEM/ODM
When you put forward your needs, our engineers will provide you with faster and more perfect customized solutions. We have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.
Our service
The company has a professional sales team to provide you with high-quality pre-sales consulting services. During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.
Advantages of Pipe Fittings

Simple to assemble and connect
Plumbing professionals can use flanged pipeline fittings to connect to pipelines and other parts more simply. Flanged pipeline fittings connect pipes much better than threaded fittings like adapters.
Simple to maintain and flexible
Flanged pipeline fittings are also extremely flexible. They can reach regions that conventional pipeline fittings frequently fail to achieve. For example, flange pipeline fittings are ideal where the elimination of pipelines, adapters, or hose lines is essential.
Strong assembly
Another advantage of flanged pipeline fittings is that they can tolerate vibrations, shocks, and pressure changes. They are, therefore, less likely to get damaged than conventional hydraulic fittings. Moreover, flanged pipeline fittings are much less likely to make pipelines loose and provide a way to leak out.
Applications of Pipe Fittings
Butt-welded concentric reducers are widely used in the piping systems of petroleum, chemical, electric power, aviation, shipbuilding and other industries, especially in the occasions where the diameter of the pipeline needs to be changed in order to maintain smooth fluid flow.
Specification Parameter of Pipe Fittings
|
Size |
Part Number |
Dimensions |
||||||
|
304L |
316L |
A |
B |
C |
Wall |
|||
|
3/4" |
x |
1/2" |
-- |
31W-.75X.50-7-316 |
1.000 |
0.750 |
0.500 |
0.065 |
|
1" |
x |
1/2" |
-- |
31W-1X.50-7-316 |
2.000 |
1.000 |
0.500 |
0.065 |
|
1 " |
x |
3/4" |
-- |
31W-1X.75-7-316 |
1.000 |
1.000 |
0.750 |
0.065 |
|
1-1/2" |
x |
1/2" |
-- |
31W-1.5X.50-7-316 |
4.000 |
1.500 |
0.500 |
0.065 |
|
1-1/2" |
x |
3/4" |
-- |
31W-1.5X.75-7-316 |
3.000 |
1.500 |
0.750 |
0.065 |
|
1-1/2" |
x |
1" |
31W-1.5X1-7-304 |
31W-1.5X1-7-316 |
2.000 |
1.500 |
1.000 |
0.065 |
Pipe Fitting Material Options
Stainless Steel
Best for environments requiring high corrosion resistance and strength.
Carbon Steel
Suitable for high-pressure and high-temperature applications at a lower cost.
Brass
Ideal for residential plumbing with good machinability and aesthetic appeal.
Pipe system involves various components, including customize fitting and are made from different materials. We offer wholesale customize fitting to create a smooth channel for the pipe systems in both commercial and residential areas.
Apart from materials, there are also other components of the pipe fittings to note. P-traps prevent odor by retaining a small pool of water to stop sewer gases from entering the bathroom. Pipe caps cover the end of pipes to stop the fluid flow and protect pipe threads. The usage of the pipes plays a crucial role in the materials suitable. For manufacturing, pipes will need to be able to withstand the fluids conveyed.
Size, thread standard and other options. We provide solutions from pipe bends to copper pipe compression fittings for any piping system required.


Check your fittings often. Look for any signs of damage or leaks, especially where fittings connect to other parts. Catching small issues early can prevent bigger problems later. Occasionally, tighten bolts, apply sealants, and replace gaskets to prevent leaks and keep connections secure.
Use materials or coatings that resist rust and corrosion to protect your fittings. Regularly clean fittings to remove dirt and debris. Periodically flush the piping system to prevent clogs and ensure smooth flow. This helps reduce stress and pressure on the fittings.
Some fittings require lubrication. Follow expert advice or the manufacturer’s instructions to know how often to lubricate. Address any repairs or replacements as soon as possible to avoid bigger issues.
Packaging and Shipping of Pipe Fittings
|
Packing |
Wooden box or pallet or carton |
|
Shipping |
Container transport, by sea. |
FAQ
As one of the most professional pipe fittings manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized pipe fittings from our factory.
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