COMBO Auto Drain Valve for Air Compressor 1/2 Inch Timer-Controlled Condensate Drain

COMBO Auto Drain Valve for Air Compressor 1/2 Inch Timer-Controlled Condensate Drain

COMBO Auto Drain Valve is a timer-controlled automatic condensate drain designed for compressed-air systems. Compared with the OPTIMUM version, the key feature of COMBO is its integrated ball valve and mesh strainer, combining drainage, isolation, and particle protection in one assembly.

Timer Operation

The COMBO timer provides two independently adjustable cycles:

ON time: 0.5–10 seconds
OFF time: 0.5–45 minutes

During the ON period, the solenoid valve opens and releases accumulated condensate. During the OFF period, the valve remains closed while condensate continues to accumulate. The timer therefore allows the drainage frequency to be adjusted according to the actual condensate load of the compressed-air system.

Typical Applications

COMBO auto drain valves are suitable for:

Air compressors
Air receivers
Compressed-air filters
Refrigerated air dryers
Water separators
Compressed-air condensate collection points

The integrated strainer is particularly useful where condensate may contain rust, scale, or other solid particles.

Main Dimension of Air Compressor Automatic Drain Valve:

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