MegaPress FKM is a carbon steel, cold press system designed for use in chilled water, hydronic heating, compressed air, and fire sprinkler applications. MegaPress FKM fittings in sizes from 1/2 to 4 in are offered in configurations including: elbows, couplings, no-stop couplings, reducers, tees, reducing tees, adapters, unions, caps, and flanges. Approved for more applications than any other carbon steel pipe press fitting system Corrosion resistant zinc nickel coating Nearly 150 engineered fitting configurations from 2-1/2 to 4 in Approved for underground applications, in accordance with code and local AHJ The same hanger and support requirements as threaded systems Viega Smart Connect technology helps easily identify unpressed connections and provides installers added confidence in the integrity of connections