Profile: Auld Valves Ltd is a manufacturer of valves. We are an ISO 9001:2008 certified company. We offer reducing valves, control valves and safety valves. Our standfast reducing valves are self operated with a pressure control to ±1%. These valves are used to reduce the pressure in the pipeline. Our control valves are actuator operated valves that provide control of pressure based on a feedback signal from the controlling system. We offer valve repair and refurbishment services & also provide casting in steel, stainless steel, bronze, phosphor bronze & cast iron.