Grooved Concentric Reducer ASTM A536 AWWA C606 Ductile Iron Pipe Fitting

Product Features (Specifications – Plain English List)

Standard: UL/FM, GB standards

Type: Grooved concentric Reducer ASTM A536 AWWA C606 Ductile Iron

Material: Ductile iron

Connection type: Grooved end

Pressure class: 1.6MPa / 2.5MPa

Temperature range: -20℃ ~ 120℃

Surface treatment: Red painted / Epoxy coated

Application: Water, fire fighting sprinkler, HVAC, industrial fluid pipelines

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Product details

Grooved concentric reducer is cone-shaped pipe fitting with groove connection, and it is used to join two pipes of different diameter at the same axis.

Product Overview

This grooved concentric Reducer ASTM A536 AWWA C606 Ductile Iron is used for pipeline diameter reduction in fire protection, water supply and industrial piping systems. With grooved connection design, it is easy to install and disassemble, effectively improving construction efficiency. Made of high-strength ductile iron, it features good pressure resistance, reliable sealing and long service life, widely used for smooth pipeline diameter transition.

Specifications Table (Dimensions & Parameters)

SIZE		OD SIZE	L (MM)
2″×1″	DN50×DN25	60.3X33.7	64
2″×1 1/4″	DN50×DN32	60.3X42.4	64
2″×1 1/2″	DN50×DN40	60.3X48.3	64
2 1/2″×1″	DN65×DN25	73.0X33.7	64
2 1/2″×1 1/4″	DN65×DN32	73.0X42.4	64
2 1/2″×1 1/2″	DN65×DN40	73.0X48.3	64
2 1/2″×1″	DN65×DN25	76.1X33.7	64
2 1/2″×1 1/4″	DN65×DN32	76.1X42.4	64
2 1/2″×1 1/2″	DN65×DN40	76.1X48.3	64
2 1/2″×2″	DN65×DN50	76.1X60.3	64
3″×1″	DN80×DN25	88.9X33.7	64
3″×1 1/4″	DN80×DN32	88.9X42.4	64
3″×1 1/2″	DN80×DN40	88.9X48.3	64
3″×2″	DN80×DN50	88.9X60.3	64
3″×2 1/2″	DN80×DN65	88.9X73.0	64
3″×2 1/2″	DN80×DN65	88.9X76.1	64
4″×2 1/2″	DN100×DN65	108.0X76.1	76
4″×3″	DN100×DN80	108.0X88.9	76
4″×2″	DN100×DN50	114.3X60.3	76
4″×2 1/2″	DN100×DN65	114.3X73.0	76
4″×2 1/2″	DN100×DN65	114.3X76.1	76
4″×3″	DN100×DN80	114.3X88.9	76
5″×4″	DN125×DN100	133.0X108.0	89
5″×4″	DN125×DN100	133.0X114.3	89
5″×2″	DN125×DN50	139.7X60.3	89
5″×2 1/2″	DN125×DN65	139.7X76.1	89
5″×3″	DN125×DN80	139.7X88.9	89
5″×4″	DN125×DN100	139.7X114.3	89
6″×2″	DN150×DN50	159.0X60.3	89
6″×2 1/2″	DN150×DN65	159.0X76.1	89
6″×3″	DN150×DN80	159.0X88.9	89
6″×4″	DN150×DN100	159.0X108.0	89
6″×4″	DN150×DN100	159.0X114.3	89
6″×5″	DN150×DN125	159.0X133.0	89
6″×2″	DN150×DN50	165.1X60.3	102
6″×2 1/2″	DN150×DN65	165.1X76.1	102
6″×3″	DN150×DN80	165.1X88.9	102
6″×4″	DN150×DN100	165.1X114.3	102
6″×5″	DN150×DN125	165.1X139.7	102
6″×2″	DN150×DN50	168.3X60.3	102
6″×2 1/2″	DN150×DN65	168.3X73.0	102
6″×2 1/2″	DN150×DN65	168.3X76.1	102
6″×3″	DN150×DN80	168.3X88.9	102
6″×4″	DN150×DN100	168.3X114.3	102
6″×5″	DN150×DN125	168.3X139.7	102
8″×2″	DN200×DN50	219.1X60.3	127
8″×2 1/2″	DN200×DN65	219.1X76.1	127
8″×3″	DN200×DN80	219.1X88.9	127
8″×4″	DN200×DN100	219.1X114.3	127
8″×5″	DN200×DN125	219.1X139.7	127
8″×6″	DN200×DN150	219.1X165.1	127
8″×6″	DN200×DN150	219.1X168.3	127

Product Applications

Diameter transition in fire sprinkler piping systems
Pipeline reducing for building water supply and drainage
Smooth diameter change in HVAC circulating water pipelines
Industrial fluid pipeline concentric reducing connection
Urban pipe network, fire protection engineering and construction piping

Installation and Maintenance

Inspect the Reducer ASTM A536 AWWA C606 Ductile Iron for cracks, deformation and complete grooves before installation
Clean the grooves and install gaskets correctly in place
Connect with coupling clamps and tighten bolts evenly
Do not over-tighten to avoid damage to fittings or gaskets
Conduct pressure test after installation to check for leakage
Regularly check sealing condition and clamp fastening status

Related Products

Grooved eccentric Reducer ASTM A536 AWWA C606 Ductile Iron

Grooved equal tee

Grooved reducing tee

Grooved 90° elbow

Grooved 45° elbow

Full series of grooved pipe fittings

FAQ

Can you supply OEM?

OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.

What’s the MOQ?

The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.

How about the order processing and lead time?

After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.

What quality will be ensured?

All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.

Can you guide the installation?

Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.

Contact Information

Sales Inquiry:
Provide contact information for sales inquiries.

Email: [email protected]

Phone: +86 13012223295

Technical Support：

If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:

Email: [email protected]