Material: Acetal Copolymer Colors: Orange, Black, Grey Compatibility: Yes: Acetone, Alcohol, Ethyl, Greases, Oils, Commercial Dish Detergents, Gasoline, Lacquer Solvents, Sodium Hydroxide No: Chlorine, Acids, Ammonium Hydroxide, Bases Strong, Hypochlorite Ion Solutions, Sodium Hypochlorite Melting Point: 329? F Maximum Operating Temperature: 170? F (Repeated exposure to this temperature will cause fatigue) Recommended Maximum Line Pressure & Flow Rates: 1/4? System 50 PSI 250 gal/hour 1/4? System With Element Clamps 110 PSI 500 gal/hour Information regarding FDA (Federal Food and Drug Administration).