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Ductile Iron Grooved 90° Elbow, UL Listed Fire Protection Grooved Pipe Elbow for Fire Sprinkler System

Ductile Iron Grooved 90° Elbow, UL Listed Fire Protection Grooved Pipe Elbow for Fire Sprinkler System

This UL listed grooved 90° elbow is a dedicated grooved fitting for fire‑protection piping. Made of high‑strength ductile iron with red epoxy anti‑corrosion coating. 90‑degree right‑angle design realizes pipeline vertical turning.

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Product Description

Rated diameter mm	Pipe outside measurement mm	Rated pressure MPa	L Measurement mm
32	42.4	2.5	70
40	48.3		70
50	57		84
50	60.3		84
65	76.1		90
80	88.9		77.5
100	108		87
100	114.3		90
125	133		122
125	139.7		110
150	159		142
150	165		117.5
150	168.3		142
200	219.1		152.5
250	273		215
300	323.9		245
350	377	1.6	356

Item	Parameter
Model	Grooved 90° Elbow
Body Material	Ductile Iron
Surface Treatment	Red Epoxy Powder Coating
Connection Type	Double‑end Grooved
Angle	90 Degree
Working Pressure	2.5MPa
Applicable Pipe	Grooved steel pipe
Size Range	DN50‑DN350
Certification	UL Listed, CE
Application	Right‑angle direction change for fire grooved pipelines

Main Features

Ductile iron casting body with red epoxy powder coating, anti‑corrosion for fire‑fighting piping
Standard 90‑degree right‑angle structure for pipeline vertical turn
Both‑end grooved ends, directly assemble with grooved couplings
Smooth inner bore, low water flow resistance
UL & CE certified, conform to international fire‑safety standards
Grooved quick‑mount 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
Smooth inner wall reduces water flow loss, guarantees stable water delivery
Grooved connection for fast site installation, eliminates hot‑work operation, improves construction safety
UL Listed certification, meets acceptance requirements of overseas fire‑protection projects
Complete size range, widely used for right‑angle turning of fire grooved steel pipelines

Application Scenarios

‑ Fire sprinkler grooved steel pipe straight connection
‑ Building fire‑fighting water supply grooved piping system
‑ Shopping mall, hotel, hospital fire pipe network assembly
‑ Factory, warehouse fire‑protection piping project
‑ Overseas fire‑safety engineering with UL certification requirement

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 90° elbow used for?

To achieve right‑angle turning for fire grooved steel pipelines.

Does it need welding during installation?

No, connect with grooved couplings after steel pipe grooving.

What certifications does this reducer own?

UL Listed and CE certification for fire‑protection application.