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The ASC Engineered Solutions 390003127 is a standard grooved coupling designed for use in grooved-end piping systems. Manufactured from ductile iron, this 6-inch coupling joins grooved pipe ends to form a rigid or flexible mechanical connection depending on the configuration. It is a core component in commercial and industrial piping assemblies, commonly installed by licensed plumbers, pipefitters, and mechanical contractors on fire suppression, HVAC hydronic, and process piping systems. Weighing 11.81 pounds, the fitting is sized for 6-inch nominal pipe and is part of the Gruvlok 7001-E product line.
This grooved coupling is suited for use in commercial and industrial mechanical systems where grooved-end pipe connections are specified. Typical applications include hydronic heating and cooling distribution, fire sprinkler mains, and industrial fluid transport lines. The 6-inch size is commonly found in larger-diameter distribution headers and main piping runs in multi-story commercial buildings and industrial facilities. Installation follows standard grooved mechanical joint procedures without requiring welding or threading.
Designed as an OEM-style standard grooved coupling for use with 6-inch grooved-end pipe in commercial and industrial mechanical piping systems.
Installation should be performed by a licensed plumber, pipefitter, or qualified mechanical contractor in accordance with applicable local codes and manufacturer grooved joint procedures. Depressurize and drain the piping system fully before removing or replacing any grooved coupling. Inspect the pipe groove dimensions and gasket seat condition before assembly. Verify correct gasket selection and housing bolt torque per the manufacturer specification sheet, which should be sourced separately from ASC Engineered Solutions documentation.
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