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Ductile Iron Grooved Mechanical Tee, Fire Protection Mechanical Branch Tee for Grooved Piping System

Ductile Iron Grooved Mechanical Tee, Fire Protection Mechanical Branch Tee for Grooved Piping System

This grooved mechanical tee is a clamp‑on branch fitting for fire grooved piping. Ductile iron body with red epoxy anti‑corrosion coating. It can be directly clamped onto steel pipe surface without grooving processing for main pipe. EPDM rubber gasket ensures leak‑proof sealing. Female threaded outlet connects branch pipes. Fast bolt assembly without welding, widely used for branch tapping in fire sprinkler and fire water supply grooved pipeline systems of commercial buildings, hotels and factories.

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Product Description

Rated diameter	Pipe outside diameter mm	Rated pressure	L mm
40×32	48×42	2.5	60
65×50	76×60		90 94
80×50	89×60
80×65	89×76
100×50	114×60		104
100×65	114×76
100×80	114×89
125×50	140×60		122
125×65	140×76
125×80	140×89
125×100	140×108
125×100	140×114
150×50	165×60		142
150×65	165×76
150×80	165×89
150×100	165×108
150×100	165×114
150×125	165×133
150×125	165×140
200×100	219×108		179
200×100	219×114
200×125	219×140
200×150	219×159
200×150	219×165
250×100	273×114		215
250×125	273×140
250×150	273×165
250×200	273×219
300×100	325×114		245
300×150	325×159
300×150	325×165
300×200	325×219
300×250	325×273

Main Features

Ductile iron body with red epoxy powder coating, anti‑corrosion for fire‑fighting piping
Split clamp‑on design, no grooving required on main pipe for branch tapping
Equipped with EPDM rubber sealing gasket, reliable water‑tight sealing performance
Hex female threaded outlet for connecting threaded branch pipes
Bolt‑on installation, fast assembly without welding or cutting pipe
Fit for fire sprinkler and fire water grooved pipeline systems

Product Advantages

Clamp‑on mechanical tapping structure, no need to roll groove on main pipe, save construction time
Ductile iron high strength housing, resist pipeline pressure shock
EPDM gasket provides stable sealing, good ageing‑resistance for long‑term static water
Quick bolt‑tighten installation, no welding, no fire operation on site, improve construction safety
Red epoxy coating, anti‑rust, suitable for indoor fire‑protection environment
Compact size, widely used for branch tapping on fire grooved steel pipes

Application Scenarios

‑ Fire sprinkler grooved pipeline branch tapping
‑ Building fire‑fighting water supply grooved piping system
‑ Shopping mall, hotel, hospital fire pipe network branch connection
‑ Factory, warehouse fire grooved pipe fittings project
‑ Commercial building fire‑safety piping modification & new installation

Precision Valve Manufacturing

Professional Valve Manufacturer | Integrated Manufacturing

Raw Material Inspection

We select high-quality raw materials according to product specifications and international standards. All incoming materials are carefully inspected to ensure chemical composition, mechanical properties and traceability.

Forging & Casting

Advanced forging and casting processes are used to produce strong and reliable fire hydrant valve bodies and components. Strict process control ensures uniform structure, dimensional accuracy and excellent mechanical performance.

CNC Machining

Our CNC machining equipment provides precise and consistent processing of fire hydrant valve components. Critical dimensions, threads and sealing surfaces are strictly controlled to ensure accurate assembly and reliable sealing performance.

Surface Treatment

fire hydrant valve surfaces are professionally shot blasted to remove rust, scale and impurities. by epoxy powder coating, red fire‑retardant painting or hot‑dip galvanizing for long‑term anti‑corrosion performance.

Pressure Testing

Every fire hydrant valve undergoes strict pressure testing before shipment. Body and seat tests are performed according to applicable standards and customer specifications to verify pressure resistance and sealing reliability.

Quality Inspection

Our quality control team conducts comprehensive inspections throughout the production process. Finished valves are checked for dimensions, appearance, materials, pressure performance and overall quality before final approval and shipment.

Does main pipe need to be grooved for mechanical tee?

It outputs electric signal to fire‑control cabinet to monitor whether valve is fully open or closed.

What is the function of mechanical tee?

Create branch connection from main fire grooved pipe for sprinkler or branch pipelines.

What working pressure can this fitting bear?

Rated working pressure up to 1.6MPa for fire‑fighting service.