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The ASC Engineered Solutions 390028355 is a grooved concentric reducer designed for use in grooved piping systems. This fitting connects a 2-inch pipe to a 1.5-inch pipe along a shared centerline, making it the correct choice when maintaining flow alignment through a size transition. Constructed from ductile iron with a painted exterior finish, it is built to withstand the mechanical demands of commercial and industrial piping installations. At 0.69 pounds, it is a compact, field-ready component. Installation is completed using a standard grooved mechanical coupling, eliminating the need for threading or welding at the joint.
This reducer is suited for use in hydronic heating and cooling systems, fire protection piping, and general industrial fluid distribution where grooved-end piping methods are specified. It is typically installed during new construction or retrofit work where a pipe diameter change is required within a grooved system. The concentric design keeps the pipe bore centered on a common axis, which is preferred in horizontal runs where sediment settlement is not a concern and where straight-line flow is the priority.
Designed as an OEM-style grooved fitting for use with standard grooved mechanical coupling systems in ductile iron or steel piping applications.
Installation should be performed by a licensed pipefitter or plumber following applicable local mechanical codes and NFPA standards where fire protection systems are involved. Shut down and depressurize the piping system completely before cutting in or replacing any grooved fitting. Grooved ends should be inspected for proper groove dimensions before seating the coupling gasket and housing. Do not overtighten coupling bolts beyond the manufacturer specification for the coupling being used.
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