Grooved Flexible Coupling ASTM A536 AWWA C606 Pipe Fitting

Product Features (Specifications – Plain English List)

Standard: UL/FM, GB standards

Type: Grooved Flexible Coupling ASTM A536 AWWA C606

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

Flexible couplings allow for controlled linear and angular movement, which accommodates pipeline deflection as well as thermal expansion and contraction. Dimensions of the pipe coupling key are narrower than the groove in the pipe, providing room for the coupling key to move within the pipe groove.

Product Overview

This Grooved Flexible Coupling ASTM A536 AWWA C606 is widely used for connecting grooved pipes in fire protection, water supply and industrial piping systems. It allows slight deflection and movement to absorb vibration and thermal expansion, ensuring stable and reliable sealing. Made of high-strength ductile iron, it features easy installation, good pressure resistance and long service life.

Specifications Table (Dimensions & Parameters)

SIZE		OD SIZE	L (MM)	H (MM)	W (MM)
1″	DN25	33.7	97	58	45.5
1 1/4”	DN32	42.4	104	66	45.5
1 1/2”	DN40	48.3	114	70	45.5
2”	DN50	60.3	128	85	45.5
2 1/2”	DN65	73	137	94	45.5
2 1/2”	DN65	76.1	142	98	45.5
3”	DN80	88.9	164	112	46
4”	DN100	108	187	134	50
4”	DN100	114.3	190	138	50
5”	DN125	133	212	160	50
5”	DN125	139.7	223	168	50
5”	DN125	141.3	226	170	50
6”	DN150	159	244	188	50
6”	DN150	165.1	247	194	50
6”	DN150	168.3	250	196	50
8”	DN200	219.1	320	254	60
10”	DN250	273	408	316	65
12”	DN300	323.9	460	372	65

Product Applications

Flexible pipe connection in fire sprinkler systems
Vibration absorption joint in water supply pipelines
Deflection allowance for HVAC circulating water pipes
Industrial pipeline connection with thermal movement
Urban pipe network, fire protection engineering and construction

6.Installation and Maintenance

Inspect the coupling for cracks or deformation before installation
Clean pipe grooves and install gasket properly
Install coupling on pipe ends 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 bolt tightness

Related Products

Grooved rigid coupling

Grooved 90° elbow

Grooved equal tee

Grooved reducing tee

Grooved end cap

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]