Norriseal Controls brochure, courtesy of RMC Process Controls & Filtration, Inc. & www.RegulatorParts.com. We carry an extensive inventory of Norriseal 1" & 2" dump valves & level controllers, as well as 2,000+ replacement parts in stock; from diaphragms to carbide valve trim, from springs to pilots, from repair kits to bourdon tubes, it's all here & ready to ship today! Sales@RegulatorParts.com or 800-523-4055. Individual, quantity, wholesale, & O.E.M. distribution discounts available.