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Home / Pipe Fittings / Equal Tee
PIPE FITTING

Equal Tee

Equal tee pipe fitting

Butt-weld equal tees designed to create a 90-degree branch connection from a main piping run while maintaining the same nominal size at all three outlets. Available in carbon steel, low-temperature carbon steel, alloy steel and stainless steel.

Connection Butt-Weld
Size Range ½" – 8"
Materials CS · LTCS · Alloy · SS
Standard ASME B16.9

Material options

Material selection can be matched to operating temperature, pressure, process media and applicable project specifications.

Material Typical Specification Typical Application
Carbon Steel ASTM A234 WPB General Process · Oil & Gas
Low-Temperature Carbon Steel ASTM A420 WPL6 Low-Temperature Service
Alloy Steel ASTM A234 WP11 / WP22 High-Temperature Service
Stainless Steel ASTM A403 WP304 / WP316 Corrosive / Process Service

Equal tee dimensions

Reference dimensions for equal butt weld tees with the same nominal size at all three ends.

Equal tee dimensional drawing with center-to-end references
TECHNICAL DRAWING Equal tee reference geometry Drawing symbols correspond with the dimensional table below. Reference geometry is not to scale.
REV 03 DIMENSIONAL REFERENCE ASME B16.9 - Catalog page 4. Company-source dimensions are shown to 0.01 mm unless noted.

Equal tee dimensions

C = run center-to-end; M = branch center-to-end
NPS all endsD = d(mm)C(mm)M(mm)
½21.3425.4025.40
¾26.6728.4028.40
133.4038.1038.10
1 ¼42.1647.8047.80
1 ½48.2657.2057.20
260.3363.5063.50
2 ½73.0376.2076.20
388.9085.9085.90
3 ½101.6095.2095.20
4114.30104.60104.60
5141.30124.00124.00
6168.28142.70142.70
8219.08177.80177.80
Catalog notes

Overall run length is 2C.

Wall schedule is selected separately; nominal pipe-end wall values are listed on catalog page 3.

Equal tee specifications

Fitting Type Equal Tee
Connection Butt-Weld
Size Range ½" – 8"
Manufacturing Standard ASME B16.9
Wall Thickness Schedule / Project Specific
Materials CS · LTCS · Alloy · SS

Typical industrial applications

Oil & Gas
Petrochemical
Chemical Processing
Power Generation
Process Industries
Water & Utilities

Supply aligned with your specification

Product requirements can be reviewed against the applicable material specification, dimensional standard and purchase order requirements before supply.

01 Material verification
02 Dimensional inspection
03 Visual inspection
04 Marking & traceability
05 MTC / inspection documentation
06 Third-party inspection where required
FREQUENTLY ASKED QUESTIONS

Equal Tee FAQ

Common questions about equal tee specifications, sizing, materials and applications.

An equal tee is used to create a 90-degree branch connection where the main run and branch have the same nominal pipe size. It allows three piping sections of equal nominal size to be connected.

An equal tee has the same nominal size at the run and branch outlets. A reducing tee has a smaller branch outlet than the main run and is used where a reduced-size branch connection is required.

Butt-weld equal tees are generally supplied according to applicable ASME B16.9 dimensional requirements. The material grade is specified separately according to the applicable ASTM material specification.

Ideally, provide the nominal pipe size, schedule or wall thickness, material grade, quantity and applicable standard. Project specifications, drawings or special requirements can also be included where applicable.

Yes. Equal tees can be included together with elbows, reducers, caps, flanges, gaskets, fasteners and other piping components in a single Bill of Materials. Rhevon can review the complete requirement and coordinate the applicable sourcing requirements.

HAVE A REQUIREMENT?

Need equal tees for your project?

Share the size, schedule, material, quantity and applicable specification. Mixed piping component requirements are also welcome.

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FREQUENTLY ASKED QUESTIONS

Eccentric Reducer FAQ

Common questions about eccentric reducer specifications, orientation, sizing, materials and applications.

An eccentric reducer connects pipes of different nominal sizes while maintaining an offset centerline. Its geometry provides a flat reference side and can be selected where the piping layout requires an offset transition.

A concentric reducer maintains a common centerline between the larger and smaller pipe ends. An eccentric reducer has an offset centerline, creating a flat side that can be oriented according to the piping arrangement.

The terms describe how the flat side of the eccentric reducer is oriented when installed. The required orientation should be determined from the piping layout, drawings and applicable engineering requirements.

Eccentric reducers can be sourced in carbon steel, low-temperature carbon steel, alloy steel and stainless steel. Butt-weld dimensions are generally supplied to applicable ASME B16.9 requirements, with material specifications selected according to the project requirement.

Ideally, provide the larger NPS, smaller NPS, material grade, schedule or wall thickness, required orientation, quantity and applicable standard. Project drawings or additional technical requirements can also be provided where applicable.

HAVE A REQUIREMENT?

Need eccentric reducers for your project?

Share the larger and smaller pipe sizes, schedule, material, orientation, quantity and applicable specification. Mixed piping component requirements are also welcome.

Request a Quote →
FREQUENTLY ASKED QUESTIONS

Concentric Reducer FAQ

Common questions about concentric reducer specifications, sizing, materials and applications.

A concentric reducer connects pipes of different nominal sizes while maintaining a common centerline. It is used where a symmetrical transition between the larger and smaller pipe is suitable for the piping arrangement.

A concentric reducer maintains a common centerline between the two pipe ends, while an eccentric reducer has an offset centerline. The appropriate configuration depends on the piping layout, flow arrangement and installation requirements.

Butt-weld concentric reducers are generally supplied to applicable ASME B16.9 dimensional requirements, with the material specified separately according to the applicable ASTM material specification.

Ideally, provide the larger NPS, smaller NPS, material grade, schedule or wall thickness, quantity and applicable standard. Project specifications, service conditions or special requirements can also be included where applicable.

Yes. Concentric reducers can be included along with elbows, tees, caps, flanges, gaskets, fasteners and other piping components in a single Bill of Materials. Rhevon can review the complete requirement and coordinate sourcing accordingly.

HAVE A REQUIREMENT?

Need concentric reducers for your project?

Share the larger and smaller pipe sizes, schedule, material, quantity and applicable specification. Mixed piping component requirements are also welcome.

Request a Quote →