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The ROMAC 205-048104000 is a flanged coupling adapter designed for use in pressurized piping systems. Rated to 260 psi, this adapter provides a reliable mechanical transition between plain-end pipe and flanged connections. Constructed from ductile iron with a shop-applied coating, it is built to handle the demands of water, wastewater, and industrial piping applications. The 4-inch nominal size fits standard pipe dimensions for that class. Installation is typically performed by licensed plumbers or pipefitters working on municipal, commercial, or industrial systems.
This adapter is suited for pressurized piping infrastructure where a flanged connection is required at a plain-end pipe termination. The Series FCA501 design is commonly specified in water distribution, wastewater conveyance, and industrial process piping. The shop-applied coating provides baseline corrosion protection for above-ground or buried service, depending on additional field coating or wrapping applied per project specifications.
Designed as a flanged coupling adapter for 4-inch nominal plain-end pipe in pressurized piping systems. Consult the ROMAC Series FCA501 product documentation to confirm fitment for specific pipe outside diameters and material types before installation.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and project specifications. Depressurize and isolate the piping system completely before beginning work. Flange bolts should be tightened in a cross-pattern sequence to ensure even gasket compression. Verify that mating flange drilling patterns and pressure ratings are compatible prior to final assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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