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Socket Weld Tee

Socket weld tee is a high pressure pipe fitting in three ways which made by forging from round steel. They are in T-shaped and know as equal tee and reducing tee.  It is generally applicable to pipes with nominal diameter less than NPS 2.

What is Socket Weld Tee?

A Socket Weld Tee is a type of pipe fitting designed to create a 90-degree branch from a main pipe. It is commonly used in high-pressure applications and is known for its strength and durability.


The fitting has a socket or recessed area that allows the pipe to be inserted before welding, creating a strong, leak-proof seal. This type of fitting is ideal for applications requiring high structural integrity and minimal leakage.


Types of Socket Weld Tee:

Equal Tee: All three openings are the same size.


Reducing Tee: The branch connection is smaller in size than the main pipe.


Key Features of Socket Weld Tee:

Design:Shaped like the letter "T" with three openings: one inlet and two outlets (or vice versa).

Each opening has a socket (recessed area) to accommodate the pipe.


Connection Method:The pipe is inserted into the socket and welded around the joint.

A small gap is left between the pipe end and the bottom of the socket to allow for thermal expansion and prevent stress during welding.


Materials:Commonly made from materials like carbon steel, stainless steel, alloy steel, or other metals, depending on the application.


Sizes:Typically used for small-bore piping systems, with sizes ranging from 1/8 inch to 4 inches (DN6 to DN100).


Parameters of Socket Weld Tee

ParameterDescription
DimensionsClass 3000 and Class 6000, NPS 1/2 to 4, various socket bore, depth, bore diameter, and wall thickness specifications
Manufacturing ProcessForging and Machining
Wall ThicknessConforms to ASME B16.11 standards
MaterialsCarbon Steel (ASTM A105, ASTM A350 LF2/LF3, ASTM A694 F42/F46/F56/F60/F65, etc.), Alloy Steel (ASTM A182 F11, F12, F5, F9, F91, etc.), Stainless Steel (ASTM A182 F304/304L/304H, 316/316L, etc.), Duplex Stainless Steel (ASTM A182 F51, F53, F44)
StandardsASME B16.11, MSS SP-43, API 590-605, EN10253-2
Surface TreatmentBlasting and Painting, PE Coating, Hot Dip Galvanizing
ApplicationsOil and Gas, Chemical Processing, Power Generation, Water and Wastewater Treatment, Food and Beverage, Pharmaceutical, Marine and Offshore


Differences Between Butt-Weld Tees, Threaded Tees, And Socket Tees

FeatureButt-Weld TeesThreaded TeesSocket Tees
Connection MethodWelded (butt-welding)Threaded (screwed)Socket weld or solvent weld
ApplicationsHigh-pressure, high-temperature systemsLow to medium-pressure systemsMedium-pressure, small-bore piping
StrengthVery strong, leak-proofLess robust, prone to leaksStronger than threaded, less than butt-weld
InstallationRequires welding, skilled laborEasy, no welding requiredEasier than butt-weld, requires welding/adhesive
MaintenancePermanent, difficult to disassembleCan be disassembled and reusedSemi-permanent, harder to disassemble
CostHigher initial costLower initial costModerate cost


Standards for Socket Weld Tee

Socket Weld Tees are typically manufactured in accordance with the following standards:

ASME B16.11: Specifies dimensions, tolerances, and manufacturing requirements for forged fittings, including Socket Weld Tees.

MSS SP-43: Provides specifications for forged steel fittings.

API 590-605: Used for pipeline fittings.

EN10253-2: European standard for steel fittings for pipelines.


Standards and Materials for Socket Weld Tee

Carbon Steel: ASTM A105, ASTM A350 LF2/LF3, ASTM A694 F42/F46/F56/F60/F65, P235GH, P265GH, P280GH, P355GH.

Alloy Steel: ASTM A182 F11, F12, F5, F9, F91, F92, F22.

Stainless Steel: ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L, 1.4404, 1.4437.

Duplex Stainless Steel: ASTM A182 F51, F53, F44.


Advantages of Socket Weld Tees

High Strength: Provides a robust and durable connection.


Leak-Proof: Welding ensures a tight seal, making it suitable for high-pressure systems.


Smooth Flow: Minimizes turbulence and pressure drop in the pipeline.


Compact Design: Ideal for small-bore piping systems where space is limited.



Disadvantages of Socket Weld Tees

Limited to Small Sizes: Not suitable for large-diameter pipes.


Difficult to Disassemble: The welded joint makes it challenging to remove or replace the fitting.


Requires Skilled Labor: Proper welding is essential to ensure a strong and leak-proof connection.


Get in Touch with Silver Valley
Silver Valley are here to help!
We specialize in the production of seamless steel pipes, boiler pipes, oil casing and pipe fittings,If you have any inquiry, please feel free to contact us.
Call
0317-5636199
Address
Lijiapu Industrial Zone, Cangzhou City, Hebei Province, China