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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

Threaded Mechanical Tee for Fire Protection Piping

The threaded mechanical tee creates a branch connection from an existing pipe run. Its two-piece housing clamps around the main pipe, while the female threaded outlet connects to a threaded branch line. A correctly sized opening must be made in the main pipe before installation.

Main Features

Clamp-on housing: Two ductile iron housing sections are fastened around the main pipe with bolts.
Female threaded branch outlet: Provides a connection point for a compatible threaded pipe or fitting.
EPDM sealing gasket: Forms a seal around the prepared branch opening when installed correctly.
Red epoxy finish: Protects the housing surface in its specified service environment.
No groove required at the branch location: The fitting attaches to the main pipe around a drilled opening.

Product Advantages

Branch connection without separating the main pipe: The tee can be installed without cutting the pipe run into two sections.
Flexible branch placement: The connection can be positioned where the piping design calls for a threaded takeoff.
Mechanical assembly: Bolted installation avoids welding at the branch connection.
Convenient system work: Suitable for both planned branch connections and modifications, subject to the condition and design of the existing pipe.

Typical Applications

Threaded sprinkler branches from a fire-water main
Branch takeoffs in building fire-protection pipe networks
Additional connections in factories, warehouses and commercial buildings
Fire piping modifications where a mechanical branch fitting is specified

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.

Please contact us before placing an order to confirm the required specifications and availability.

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