Auto Drain Valve – ZL Series
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Frequently Asked Questions
A Zero Air Loss Auto Drain Valve operates on a level-based principle to remove accumulated condensate from compressed air systems. It automatically opens when condensate reaches the preset level and closes after the required drainage, helping prevent unnecessary compressed air loss.
An Automatic Condensate Drain Valve is designed to remove accumulated condensate from compressed air equipment and systems without requiring manual draining. Automatic operation helps maintain effective condensate management and supports reliable compressed air system performance.
The Delair ZL Series auto drain valve operates at a working pressure of 0 to 10 kg/cm²(g) and a working temperature of 0 °C to 60 °C, on a 230 VAC / 1-phase / 50 Hz supply. It is available in ¼” and ½” connection sizes, suitable for air receivers, filters, after-coolers, moisture separators, and air dryers.
Delair’s ZL Series Auto Drain Valve provides fully automatic condensate drainage with zero air loss. It is direct acting, maintenance free and easy to install, with zero energy loss, making it a practical choice for condensate management in compressed air systems.
The Delair ZL Series auto drain valve operates at a working pressure of 0 to 10 kg/cm²(g) and a working temperature of 0 °C to 60 °C, on a 230 VAC / 1-phase / 50 Hz supply. It is available in ¼” and ½” connection sizes.
It suits multiple points in a compressed air system — air receivers, air filters, after-coolers, moisture separators, and air dryers — draining condensate automatically wherever it collects.
