Gray Acetal/Nitrile fittings are rated for water, chemicals, compressed air, C02 and vacuum applications. Food grade rated. Pressure ratings are 230 PSI at 68° F for 1/4” and 150 PSI at 68° F for 3/8” and 1/2” fittings. (Confirm chemical compatibility).
White Polypropylene/EPDM fittings are rated for water and chemicals. Food grade rated. Not for compressed air. Pressure ratings are 150 PSI at 70° F all sizes.
(Confirm chemical compatibility). Black Polypropylene/EPDM fittings are UV stabilized for outdoor use. Rated for water and chemicals. Not for compressed air, not food grade rated. Pressure ratings are 150 PSI at 68° F all sizes. (Confirm chemical compatibility).