Category: Compressed Air Filter
Product Code: Automatic Drains - High and Normal Capacity
High Capacity Electric Solenoid Drain
The Balston Automatic Drain Assembly, P/N 20-440 automatically removes water from Balston filter housings. The autodrain consists of a solenoid valve and an automatic timer that can be adjusted to the desired cycle time and is powered by 120/240 VAC, 50/60 Hz. To drain receiving tanks, use any commercially available Y-strainer (ex. Keystone 911 Series or Watts Model 7771) to protect the 20-440.
High Capacity Non-Electrical Float Drain
In the 20-211 design, a sealed stainless steel float operates a needle valve by means of a lever. All internal parts are stainless steel. The 20-211 drain is a ruggeddesign for high volumes of liquid.
Normal Capacity Non-Electrical Float Drain
In the 20-402 design, a float rises to operate a pilot-controlled valve when the liquid level in the body of the drain reaches a predetermined level. The float is reseated by the force of line pressure as soon as the liquid is drained.
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