Vacuum Regulator Control Valve The Vacuum Regulator Control Valve is a replacement component designed for use within compatible dairy milking vacuum regulator assemblies . It forms part of the regulating mechanism and helps control the amount of atmospheric air admitted into the vacuum system so the regulator can maintain the required operating vacuum during milking. The Vacuum Regulator Control Valve is suitable for replacing an existing control valve that has become worn damaged sticking or no longer moving correctly . Because the valve directly affects how the regulator responds to changes in vacuum demand a faulty component may contribute to unstable vacuum levels inconsistent regulation or slower regulator response within the milking system. This replacement control valve is particularly useful during vacuum regulator servicing repairs and rebuilding . When dismantling the regulator it is also worth inspecting the diaphragm seals springs and associated internal components for signs of wear or contamination. Before ordering compare the existing valve carefully and check the regulator model valve shape and fitting arrangement to ensure the correct replacement component is select