Different Sizes and Applications of Mechanical Tee

Mar 28, 2024 | News

Mechanical tees are pipe fittings used as an alternative to full-flow cast fittings. A grooved mechanical tee is a type of pipe fitting used as an alternative to full-flow cast fittings. Grooved mechanical tees serve various purposes in plumbing and piping systems.

Sizes and Types of Mechanical Tee:

Mechanical tee sizes come in various to accommodate different pipe diameters and flow requirements.

Threaded Mechanical Tee:

These are frequently employed when the primary pipe’s diameter does not exceed 1 1/2 inches, making them optimal for use in modest residential plumbing setups.

Grooved Mechanical Tee:

  • Small Tees: Generally sized between 1/2 inch and 2 inches, these are commonly utilized in residential plumbing setups.
  • Medium Tees: With sizes ranging from 2 1/2 inches to 8 inches, these are typically found in commercial and industrial plumbing configurations.
  • Large Tees: 10 inches and above, primarily used in industrial applications.

U-Bolt Mechanical Tee:

These tees provide flexibility and cost savings for contractors.

Available in various sizes, catering to different project requirements.

Applications of Mechanical Tee:

  • Fire Protection Systems:

Grooved mechanical tees are extensively used in fire protection systems due to their reliable connections and ease of installation.

They ensure efficient water flow throughout the system, providing reliable fire suppression capabilities.

  • Plumbing Systems:

These tees are utilized in plumbing networks to link water supply and drain lines. Their grooved structure guarantees firm and leak-proof connections, bolstering the overall reliability of the plumbing setup.

U-Bolt Mechanical Threaded Tee

Different Sizes and Applications of Grooved Mechanical Tee:

  • Small-Sized Grooved Mechanical Tees (typically ranging from 1/2 inch to 2 inches):

Frequently employed in residential plumbing scenarios, these fittings are ideal for joining smaller pipes within various systems, including water supply lines, irrigation setups, and household plumbing fixtures.

  • Medium-Sized Grooved Mechanical Tees (ranging from 2 1/2 inches to 8 inches):

Find applications in commercial and industrial plumbing systems.

Ideal for joining pipes in larger-scale projects, including HVAC systems, fire protection systems, and water distribution networks.

  • Large-Sized Grooved Mechanical Tees (ranging from 10 inches and above):

Mainly applied in industrial settings, these fittings are prevalent in expansive piping networks typically encountered in power plants, manufacturing plants, and facilities engaged in chemical processing.


In essence, grooved mechanical tees serve as vital components across diverse piping applications, ensuring both secure connections and smooth, efficient flow. The versatility and secure connections provided by grooved mechanical tees make them essential components in various piping applications.