Anglia Valves is a South East supplier of manual and actuated valve packages throughout the UK. Tel Welcome to Anglia Valves, nationwide suppliers of Industrial and Control Valves. Anglia Valves is Maldon, Essex CM9 6TW. Essex fire safe ball valves - thermal shut off ball valve - electro thermal shut off ball valve. Essex firesafe thermal actuated shut-off ball valve combines the operating Applications include activating spinkler systems for fire control, or shutting off.