Grooved Mechanical Tees
A grooved mechanical tee is a two-piece branch fitting that sits over a hole drilled in the main pipe and is clamped with bolts. A new line is joined to the grooved outlet on the upper housing with a coupling, and an EPDM gasket seals around the hole.
The store range offers 22 combinations of 2″–8″ mains and 1¼”–4″ outlets. It speeds up adding new zones to existing sprinkler lines, renovation work and projects with frequent branches from long mains.
Main Applications
- Adding zones to existing sprinkler lines
- Projects with frequent branches from the main
- Outlets without cutting during renovation
- Hose cabinet feed arms
- Extra connections on cooling water lines
Technical Data
| Type | Mechanical tee, grooved outlet |
|---|---|
| Main | 2″, 2½”, 3″, 4″, 5″, 6″, 8″ (product range) |
| Outlet | 1¼”, 1½”, 2″, 2½”, 3″, 4″ grooved (by main size) |
| Installation | Hole drilled in main, clamped with bolts |
| Housing | Ductile iron GGG 40.3 (manufacturer data) |
| Gasket | EPDM around the hole (manufacturer data) |
| Bolts and nuts | Galvanized carbon steel (manufacturer data) |
| Working pressure | By model and pipe wall thickness |
| Hole diameter | From the manufacturer table by outlet size |
Material Options
| Part | Grooved mechanical tee |
|---|---|
| Housing | Ductile iron GGG 40.3, two pieces |
| Gasket | EPDM (hole gasket) |
| Bolts and nuts | Galvanized carbon steel |
| Outlet | Grooved, joined with a coupling |
Which material? The hole must be drilled to the right size and position for the outlet and deburred; if the gasket does not seat fully on the hole edge, the joint will not seal.
Advantages
No Pipe Cutting
- The main stays in place
Fast Retrofits
- Shorter line drain-down time
Weld-Free
- No hot-work permit
Wide Combinations
- 22 main × outlet sizes
Construction and Design Features
- Two-piece cast housing, upper and lower
- Shaped EPDM gasket around the hole edge
- Grooved outlet on the upper housing
- Clamped to the pipe with galvanized bolts
Send the main and outlet sizes; we will supply the mechanical tee with the hole diameter information.
How to Choose?
- Set the main sizeWrite the size of the pipe to be drilled.
- Choose the outletPick the branch size from the combinations for that main.
- Get the hole sizeDrill the hole diameter recommended for the outlet.
- Add the outlet couplingAllow one coupling for the grooved outlet.
Complementary Products
Why ORFA?
Other Grooved Pipe Fittings
Threaded Mechanical Tees
Threaded mechanical tees are used to take a threaded branch off a pipeline without welding.
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Reducing Couplings
Reducing couplings join two grooved pipes of different sizes.
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U-Bolt Mechanical Tees
U-bolt mechanical tees are fixed to the pipe with a U-bolt and give a branch without welding.
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Grooved 45° Elbows
Grooved 45° elbows change direction by 45 degrees on grooved pipelines and are joined with couplings.
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Grooved 90° Elbows
Grooved 90° elbows change direction by 90 degrees on grooved pipelines and are joined with couplings.
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Grooved Flexible Couplings
Grooved flexible couplings join grooved pipes while allowing some angular movement and vibration.
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Grooved Equal Tees
Grooved equal tees split flow in three directions of the same size on grooved pipelines.
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Grooved Flanges
Grooved flanges connect a grooved pipe end to a flanged valve or piece of equipment.
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Grooved Flange Adaptors
Grooved flange adaptors move a grooved pipeline to a flanged connection.
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Grooved Crosses
Grooved crosses split flow in four directions on grooved pipelines.
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Grooved Caps
Grooved caps close the end of a grooved pipe and are joined with a coupling.
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Grooved Concentric Reducers
Grooved concentric reducers change pipe size on grooved lines along the same centre line.
Details →
Grooved x Threaded Concentric Reducers
Grooved x threaded concentric reducers have one grooved end and one threaded end and change pipe size.
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Grooved Rigid Couplings
Grooved rigid couplings join grooved pipes with a fixed, solid connection.
Details →Get a quote for your project
Our sales team will prepare the best solution for your needs.