Valves Online are the UK's leading online supplier of manual valves, actuated valves and process control solutions. Ball valves, butterfly valves, knife gate valves, globe valves, diaphragm valves, pressure relief valves, actuated valves, control valves, solenoid valves and more... with one of the largest ranges of manual valves available to order online, you'll find we have the product you need. ISO 9001:2015 certified.