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Ductile Iron Grooved End Cap, UL CE Listed Fire Protection Grooved Pipe End Cap for Fire Sprinkler Pipeline

Ductile Iron Grooved End Cap, UL CE Listed Fire Protection Grooved Pipe End Cap for Fire Sprinkler Pipeline

This UL CE listed grooved end cap is a terminal sealing grooved fitting for fire‑protection piping. Made of high‑strength ductile iron with red epoxy anti‑corrosion coating. Single grooved end connects to grooved coupling, solid blind structure reliably seals pipe end openings.

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Product Description

Rated Diameter mm	D Pipe outslde measurement mm	L mm	MPa Rated Pressure
50	60.3	19	2.5
66	76.1	19
80	88.9	22
100	108	25
100	114
125	133
125	139.7
150	159
150	165
150	168
200	219	28
250	273	30
300	323	38

Item	Parameter
Model	Grooved End Cap
Body Material	Ductile Iron
Surface Treatment	Red Epoxy Powder Coating
Connection Type	Single grooved end, blind solid end
Working Pressure	1.6‑2.5MPa
Applicable Pipe	Grooved steel pipe
Size Range	DN50‑DN300
Certification	UL Listed, CE
Application	Seal and close terminal end of grooved fire pipeline

Main Features

Ductile iron cast body with red epoxy powder coating, anti‑corrosion for fire‑fighting piping system
Single grooved end, solid blind structure for sealing pipe terminal end
Simple structure, install with grooved coupling to close pipeline opening
Solid blind design, zero‑leakage for pipe end sealing
UL & CE certified, comply with international fire‑safety standards
Grooved quick‑assembly design, no welding or threading required

Product Advantages

High‑strength ductile iron casting, withstand pipeline water pressure and water hammer impact
Red epoxy powder coating, excellent rust‑proof performance for indoor fire‑protection environment
Blind end cap quickly seals pipeline terminal, for test port, spare branch and pipe end closure
Grooved side fast installation by coupling, no hot‑work operation, improves construction safety
UL Listed certification, meets acceptance requirements of overseas fire‑protection projects
Complete size range, widely used for end sealing of fire grooved steel pipelines

Application Scenarios

‑ Fire sprinkler grooved pipeline equal‑diameter four‑way shunting

‑ Building fire‑fighting water supply grooved pipe network

‑ Shopping mall, hotel, hospital fire pipe four‑way branch connection

‑ Factory, warehouse fire‑protection piping engineering

‑ Overseas fire‑safety projects requiring UL certification

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.

What is grooved end cap used for?

To seal and close the terminal end or spare branch opening of grooved fire pipeline.

Is welding required during installation?

No, install together with standard grooved coupling.

What certifications does this fitting own?

UL Listed and CE certification for fire‑protection application.