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3" (76.2 mm) x 2" (50.8 mm) Grooved Mechanical Tee

3" Grooved Mechanical Tee with 2" Grooved Outlet allows for quick installation of a grooved branch line in pre-drilled pipe. This UL & FM-approved ductile iron tee features an EPDM rubber gasket and two pairs of carbon-steel nuts and bolts for quick assembly.
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SKUNominal Pipe SizeGrooved OutletConstruction
GGMT863" (76.2 mm)2" (50.8 mm)Ferritic Ductile Cast Iron (ASTM A536 Grade 65-45-12) with EPDM Rubber Gasket
FinishPipe Outside DiameterHole Cutting DimensionsWorking Pressure
Paint Orange3.500" (88.9 mm)2.519" (64 mm)300 PSI (2.07 MPa)
DimensionsApprovals and SpecificationsThermafit Industries Part NumberAvailability
4.488" (114 mm) Outside Diameter. 5.984" (152 mm) Maximum Width x 4.015" (102 mm) Thick. 3.267" (83 mm) Center to Tee Edge.UL & FM approved. Manufactured in compliance with ASTM F1548 and ANSI/AWWA C606.XGQT301089060Usually Ships Within 48 Hours

Product Description

3" Grooved Mechanical Tee with 2" Grooved Outlet facilitates the installation of a 2" (50.8 mm) branch outlet utilizing a grooved pipe. This mechanical tee is suitable for use in a variety of piping systems, including fire sprinkler systems, plumbing, standpipe systems, and HVAC applications. The threaded opening in this mechanical tee seats over a pre-drilled hole, forming a water-tight seal with an EPDM rubber gasket.

This UL and FM-approved 3" Grooved Mechanical Tee with 2" Grooved Outlet features a ductile iron body conforming to ASTM A536 Grade 65-45-12. Two pairs of carbon steel 300 PSI (2.07 MPa) nuts and bolts facilitate quick installation.

To install this 3" Grooved Mechanical Tee with 2" Grooved Outlet, first drill a hole in the pipe, ensuring that a 5/8-inch area around the hole is clear of dirt, rust, and grease. Lubricate the exposed surface of the gasket and place it in the mechanical tee, ensure that the tab in the gasket aligns with the recesses in the house. Then, install the tee over the hole, ensuring that the locating collar engages the outlet hole. Tighten the nuts evenly until the required torque is reached.

Not suitable for petroleum service.


Grooved Fitting Dimensions

  • 0: 4.488" (114 mm)
  • D: 3.500" (88.9 mm)
  • H: 4.015" (102 mm)
  • K: 3.267" (83 mm)
  • L: 5.984" (152 mm)

Technical Documents

Click here to view the manual for this 3" Grooved Mechanical Tee with 2" Grooved Outlet.

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