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The ASC Engineered Solutions 390080042 is an EPDM gasket designed for use with the Gruvlok 7012 grooved flange fitting. EPDM (ethylene propylene diene monomer) rubber provides reliable sealing performance in a range of fluid systems, resisting weathering, heat, and many common water-based media. At 4 inches, this gasket seats into the grooved flange coupling to create a secure, leak-resistant joint. It is installed by pipefitters and mechanical contractors working on grooved piping assemblies in commercial and industrial applications.
This gasket is intended for use with 4-inch Gruvlok 7012 grooved flange fittings in piping systems where EPDM compound is appropriate for the media being conveyed. Grooved flange connections are common in HVAC hydronic systems, fire protection piping, and general mechanical piping where fast, reliable coupling is required. The green color coding identifies this gasket as the EPDM compound grade within the Gruvlok gasket lineup.
Designed for use with the Gruvlok 7012 grooved flange fitting in 4-inch pipe configurations. Verify gasket compound compatibility with the specific fluid or media in the system before installation.
Installation is performed by licensed pipefitters or mechanical contractors following applicable codes such as the IPC or IFGC where relevant. Depressurize and drain the piping system fully before disassembling any grooved coupling or flange. Seat the gasket properly into the flange groove before assembling the coupling halves to ensure even compression and a leak-free seal. Inspect the gasket for cuts, deformation, or contamination before installation and replace if any damage is present.
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