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Pipe reducers are essential butt weld fittings designed to connect pipes with different diameters while ensuring smooth flow transition and reliable pipeline performance. By reducing or increasing pipe size gradually, reducers help minimize turbulence, pressure loss, and flow disturbance in piping systems.
Available in concentric reducers and eccentric reducers, these fittings are manufactured from carbon steel, stainless steel, and alloy steel through advanced forming processes. With excellent mechanical strength, accurate dimensions, and reliable welding performance, pipe reducers are widely used in oil & gas pipelines, chemical plants, petrochemical facilities, power stations, water treatment systems, and other industrial piping applications.
| Parameter | Details |
| Product Type | Concentric Reducer |
| Eccentric Reducer | |
| Manufacturing Standards | ASME B16.9, ASTM A234, GB/T, DIN, JIS, GOST |
| Nominal Diameter | Large End Size: 1/2"–48" |
| Small End Size: 1/2"–48" | |
| NPS 1/2"–48" (DN15–DN1200) | |
| Customized dimensions available | |
| Pressure Rating | Class 150 / 300 / 600 / 900 / 1500 / 2500; PN16 / PN25 / PN40 |
| Wall Thickness | SCH10, SCH20, SCH40, SCH80, SCH160, XXS; Customized wall thickness available according to project requirements |
| Reducer Type | Concentric Reducer: The center lines of both ends are aligned, suitable for vertical piping systems and general flow transition applications. |
| Eccentric Reducer: One side remains flat while the center lines are offset, commonly used in horizontal pipelines to prevent air pockets or liquid accumulation. | |
| Materials | Carbon Steel, Stainless Steel, Alloy Steel |
| Connection Type | Butt Weld Connection |
| Manufacturing Process | Hot Forming, Cold Forming, Seamless Pipe Forming, Precision Machining |
|
Type |
Materials |
Features & Applications |
|
Carbon Steel Pipe Reducers |
ASTM A234 WPB, A105, Q235 |
Provide excellent strength and cost efficiency. They are widely used in oil & gas transportation, water supply systems, general industrial pipelines, and applications requiring reliable mechanical performance. |
|
Stainless Steel Pipe Reducers |
ASTM A403 WP304, WP316, WP316L |
Offer excellent corrosion resistance and durability. They are suitable for chemical processing, food processing, pharmaceutical systems, marine engineering, and other corrosive environments. |
|
Alloy Steel Pipe Reducers |
ASTM A234 WP5, WP9, WP11, WP22 |
Designed for high temperature and high pressure applications. They are commonly used in power plants, steam pipelines, petrochemical facilities, and other demanding operating conditions. |
Our pipe reducers are manufactured according to international standards including ASME B16.9, ASTM A234, GB/T, DIN, JIS, and GOST.
Strict control of raw materials, forming processes, dimensional accuracy, and surface quality ensures reliable welding performance, proper pipeline alignment, and long-term service life.
Pipe reducers are widely used in oil & gas pipeline systems, petrochemical plants, chemical processing facilities, power generation projects, steam pipeline systems, water treatment facilities, shipbuilding industry, HVAC piping systems, pressure vessel systems and industrial process pipelines.
What is the difference between concentric and eccentric reducers?
A concentric reducer has the same center line for both ends and is commonly used for vertical piping systems. An eccentric reducer has offset center lines and is often used in horizontal pipelines to prevent air pockets or liquid accumulation.
What standards do your pipe reducers comply with?
Our reducers are manufactured according to ASME B16.9, ASTM A234, GB/T, DIN, JIS, and other international standards.
What materials are available for pipe reducers?
We supply carbon steel, stainless steel, and alloy steel reducers, including ASTM A234 WPB, WP304, WP316L, WP11, and WP22 grades.
Can you manufacture customized reducers?
Yes. We can customize dimensions, materials, wall thickness, pressure ratings, standards, and markings according to customer requirements.
Where are pipe reducers commonly used?
Pipe reducers are widely used in oil & gas, chemical, petrochemical, power generation, water treatment, and industrial piping systems.
What is the delivery time?
Standard products usually require 15–30 days depending on order quantity and specifications. Customized orders are produced according to project requirements.
Send us your drawings or requirements and get a fast quotation today.
