- Heavy duty auto drain series ADH4000 can be maintained without changing existing piping. There is no need for electric power and no waste of air. Float style drain allows automatic drain discharge without electric power.
Series image. Appearance may vary by model and options.ADH
ADH, Heavy Duty Auto Drain
Explore the features, model options and technical documentation for ADH. Contact Pnoneks to select the full part number for your application.
Request a quote for your application.
Share your part number and quantity so we can confirm pricing and lead time.
Selecting ADH
Selecting ADH: review the full part number and your system conditions when considering this Air preparation record. Share Thread, Accessory, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.
The essentials for selection.
- Manufacturer
- SMC
- Series
- ADH
- Product group
- Air preparation
- Function
- Drain & Auto Drain Valves
- Applications
- Suitability is evaluated against technical specifications and application conditions.
- Selection parameters
- Thread, Accessory
Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.
Features and model options
Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.
| Parameter | Options / values |
|---|---|
| Thread | Rc (PT) · F (G) · N (NPT) |
| Accessory | None · B (Bracket Set) · BC (Bracket Set + Ball Valve Piping Set) · C (Ball Valve Piping Set) |



