Hydra-Cell Industrial Pumps is introducing the Hydra-Cell C Series Valves to provide accurate, repeatable pressure regulation or relief of corrosive solutions. These valves are constructed of rugged Hastelloy C or 316 L stainless steel to provide accurate, repeatable pressure regulation or relief of corrosive solutions. These valves feature smooth, chatter-free bypass and minimal pressure surge. The have no external springs or moving parts, are easy to adjust, and can be used with any positive displacement pump.