Series 6000Automatic Recirculation Valve EngineeringSeries 6000Automatic Recirculation ValvePlease contactfor a full Brochure and Data ManualThe Blackhall range of Automatic Recirculation Valves have been designed to give absolute reliability with maintenance requirements minimized. THE valve is designed specifically to suite the individual customers' requirements. The range includes both ON/OFF and Modulating options with options available in Angle or Straightway pattern design. The Angle patterns valve has the additional feature of not requiring removal from the pipeline during maintenance 'Shut downs.'By-Pass Configuration ON/OFFThe Blackhall ON/OFF