

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The ASC Engineered Solutions 390009306 is a grooved reducing coupling designed to connect pipe sections of two different diameters in grooved piping systems. Sized at 2.5 inches by 2 inches and manufactured from ductile iron, this coupling provides a rigid mechanical joint that accommodates the transition between a 2.5-inch and a 2-inch grooved pipe end. It is used in commercial and industrial piping installations where reliable, leak-resistant connections are required at reducing transitions. Licensed pipefitters and mechanical contractors typically install this type of coupling as part of fire protection, HVAC hydronic, or general piping systems.
This grooved reducing coupling is suited for commercial and industrial mechanical systems where grooved-end pipe connections are the specified joining method. It fits into systems that require a step-down from 2.5-inch to 2-inch pipe, commonly encountered in branch takeoffs, system transitions, and equipment connections. Grooved coupling systems are widely used in fire suppression, heating and cooling distribution, and process piping where speed of installation and inspectability are priorities.
Designed as an OEM-style grooved reducing coupling for use with standard grooved-end pipe in 2.5-inch by 2-inch configurations in commercial and industrial mechanical piping systems.
Installation should be performed by a licensed pipefitter or mechanical contractor in accordance with applicable codes, including NFPA 13 for fire protection applications or local mechanical codes for HVAC and process piping. Depressurize and drain the system completely before removing or installing any grooved fitting. Ensure pipe ends are properly grooved to the correct profile and that the gasket is seated correctly in the coupling housing before tightening. Inspect the groove dimensions on both pipe ends for compliance with the fitting manufacturer's specifications prior to assembly.
Thanks for subscribing!
This email has been registered!