Ace all PTFE reactor flush drain valve with control from your in-house air supply. Unique design weds our proven PTFE flush valve with a low profile air cylinder, control box and hoses. All wetted surfaces are PTFE or Kalrez®. Valve will stay closed under heavy loads and temperature gradiants due to it's constant air supply. Loss of air pressure will not cause the valve to open. Order with your new reactor or replace an existing Ace flush drain valve.