Reducing Tee Pipe Fittings are butt-weld fittings designed to connect three pipeline sections, with a smaller branch outlet than the main run. They provide an efficient solution for branching flow between different pipe sizes in industrial piping systems. Available in carbon steel, low-temperature carbon steel, and alloy steel, reducing tees can be specified in different sizes, wall thicknesses, and material grades to meet project requirements.
Suitable for oil and gas, petrochemical, power generation, and general industrial piping applications, reducing tees are selected according to operating pressure, temperature, fluid properties, and applicable piping standards. Proper material selection, dimensional accuracy, and weld-end preparation help ensure a secure fit, reliable pipeline connections, and consistent service performance.
| Item | Specification |
|---|---|
|
Product Name |
Reducer Tee Pipe Fitting |
|
Product Type |
Reducing Tee |
|
Connection Type |
Butt Weld |
|
Manufacturing Standard |
ASME B16.9 |
|
Nominal Size |
NPS 1/2–NPS 48 (DN 15–DN 1200) |
|
Material Standard |
ASTM A234/A234M for applicable carbon steel and alloy steel grades |
|
Available Materials |
Carbon Steel, Low-Temperature Carbon Steel, Alloy Steel |
|
Common Material Grades |
ASTM A234 WPB, WPL6, WP11, WP22, WP91 |
|
Wall Thickness |
SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS, and other specified thicknesses |
|
Manufacturing Process |
Hot Forming, Cold Forming, or Other Qualified Processes |
|
End Preparation |
Beveled Ends for Butt-Welding |
|
Dimensions & Tolerances |
In accordance with ASME B16.9, where applicable |
|
Marking |
Manufacturer, Material Grade, Size, Standard, and Heat/Traceability Identification |
|
Material Category |
Material Specification |
Typical Grade |
|---|---|---|
|
Carbon Steel |
ASTM A234/A234M |
WPB |
|
Low-Temperature Carbon Steel |
ASTM A420/A420M |
WPL6 |
|
Alloy Steel |
ASTM A234/A234M |
WP11, WP22, WP91 |
|
Austenitic Stainless Steel |
ASTM A403/A403M |
WP304/304L, WP316/316L |
|
Duplex Stainless Steel |
ASTM A815/A815M |
S31803 S32205 S32750 |
Our Reducing Tee Pipe Fittings are manufactured in accordance with applicable international standards, including ASME B16.9 for dimensions and tolerances, and relevant ASTM material specifications such as ASTM A234/A234M for carbon steel and alloy steel fittings. Other standards can be accommodated according to project requirements, ensuring compatibility with the specified piping design and engineering requirements.
We carefully control raw material selection, forming processes, dimensional accuracy, wall thickness, and surface quality throughout production. Each fitting is checked against the applicable specifications to help ensure accurate dimensions, proper weld-end alignment, and reliable installation. By following customer drawings, technical specifications, and inspection requirements, we provide reducing tees designed to integrate smoothly into industrial piping systems and meet the needs of each project.
Oil and Gas Pipelines: Used in branch connections for oil and gas transportation and processing systems.
Petrochemical Plants: Suitable for piping networks in chemical processing and refining facilities.
Power Generation: Applied in industrial piping systems where material grade and temperature requirements must be considered.
Industrial Process Piping: Connects branch lines of different nominal sizes in manufacturing and processing facilities.
Water and General Industrial Systems: Used in compatible piping systems where a reduced branch connection is required.
What is a reducing tee pipe fitting?
A reducing tee is a three-outlet pipe fitting with a branch connection smaller than the main run. It allows a smaller-diameter branch line to connect to a larger pipeline.
What materials are available for reducing tees?
Common options include carbon steel, low-temperature carbon steel, and alloy steel. ASTM A234/A234M grades such as WPB, WP11, and WP22 may be applicable depending on the material and service requirements.
What inspections are available for reducing tee fittings?
Typical quality checks include dimensional and visual inspections, material verification, and traceability checks. Mechanical testing and nondestructive testing can be arranged when required by the applicable standard or purchase order.
What information is needed to request a quotation?
Please provide the run size, branch size, material grade, wall thickness or schedule, applicable standard, quantity, and operating conditions. Inspection requirements and material documentation should also be specified when necessary.
Send us your drawings or requirements and get a fast quotation today.