Looking for K500 monel valves suitable for HF acids and alkylation for hydrofluoric acid service? Alloy Valve Stockist stocks a broad range of valves for HF acid and alkylation in A494 MR-35-1, both according to UOP as well as ConocoPhillips (formerly Phillips) specifications, as well as the demanding NACE 5A-171 specification covering “Materials for Storing and Handling Commercial Grades of Aqueous Hyrofluoric Acid and Anhydrous Hydrogen Fluoride“.