Bronze and aluminium bronze disc valves offer a high level of corrosion resistance to mediums such as water and salt water. These characteristics make bronze and aluminium bronze disc valves an ideal choice for applications in which corrosion can be a problem. Tested within an innovative salt spray test chamber which is designed to test components for 1,000 hours in simulated sea water conditions (C5 Medium). The Elomatic Actuator has been tested by independent laboratories and shows no decline in performance. The TTV Butterfly Valve, with its concentric design and replaceable seat that takes the shape of both sides to form a perfect seal. This is suitable for use on either an off or throttle setting in applications where you want complete flexibility for temperature or flow.