Advantages of Finite's ZLD:
• Automatically drains condensate
• When minimum level of condensate is reached, the valve closes in time before compressed air can escape
• Includes an integrated dirt screen between the level measurement and drain valve to protect the diaphragm valve
• Drain will remove condensate when liquid reached the high level sensor
• The drain will not operate until the liquid level reaches the high level sensor • Particulate contamination is removed by the integrated dirt screen before fouling the outlet port

Disadvantages of ther types of Drains:
• Requires constant attention
• Always leads to excess air loss because air escapes when the valve is left open to drain the condensate
• Float is susceptible to blockage from particulate contamination in condensate
• Often sticks in open (leaks excess air) or closed position (no condensate is drained)
• The period for which the valve is open might not be long enough for adequate drainage of accumulated condensate • The valve will operate even if little or no condensate is present, resulting in air loss • Often requires a strainer to remove particulate contamination which can block the inlet and outlet ports