Super-Dry ATD-1/4 Air Tool Dryer | 22 SCFM, 1/4" NPT | 290-100
Reduce moisture reaching air tools and pneumatic equipment with the Super-Dry ATD-1/4. This compact in-line desiccant dryer is designed for intermittent, point-of-use applications and is rated for 22 SCFM at 100 PSIG with 1/4" NPT connections.
Key Features
- 22 SCFM rated flow at 100 PSIG.
- 1/4" NPT inlet and outlet.
- Activated alumina in a self-contained desiccant bag.
- Replaceable desiccant for ongoing service.
- Bagged media limits handling of loose desiccant during service.
- Compact format for air tools and other intermittent uses.
Product Overview
The ATD-1/4 uses desiccant to capture water vapor from compressed air close to the equipment being supplied. Select it for intermittent air-tool, pneumatic-equipment or finishing applications within its flow and inlet limits. The standard housing uses the EATD replacement kit.
Technical Specifications
| Model / part number |
ATD-1/4 / 290-100 |
| Rated airflow |
22 SCFM at 100 PSIG |
| Inlet / outlet |
1/4" NPT |
| Maximum inlet pressure |
150 PSIG |
| Maximum inlet temperature |
100°F (38°C) |
| Desiccant |
Activated alumina in a self-contained desiccant bag |
| Dimensions A / B |
2-5/8" / 10-1/8", per manufacturer drawing |
| Weight |
2.5 lb |
| Replacement kit |
EATD / 290-120 |
| Mounting clip |
ATD-FX / 290-310, sold separately |
Lead Time
Contact us for current availability and shipping lead time before placing a time-sensitive order.
What’s Included
- ATD-1/4 dryer with installed desiccant.
- Drain cock.
Spare desiccant, installation piping and additional accessories are sold separately.
Replacement Desiccant and Accessories
Shop EATD Replacement Desiccant Kit — 290-120
Matched to the ATD-1/4. Sold separately; confirm the model before ordering.
Add ATD-FX Mounting Clip — 290-310
Installation and Maintenance
Install at the point of use in accordance with the manufacturer instructions. Keep inlet air within the 100°F temperature limit and provide suitable upstream condensate management. Monitor drying performance and replace saturated desiccant as required. Isolate and fully depressurize the dryer before opening it or replacing any component.
Warranty
Super-Dry lists a 10-year limited warranty for ATD-Series in-line dryers, subject to manufacturer terms and proper installation, operation and maintenance. Desiccant cartridges, filter media, seals, gaskets and other normal wear items are excluded. Labor and freight are excluded unless authorized by Super-Dry.
Frequently Asked Questions
What airflow and connection size does this dryer support?
ATD-1/4 is rated for 22 SCFM at 100 PSIG with 1/4" NPT inlet and outlet connections. Match the dryer to actual airflow and inlet conditions.
Which replacement desiccant fits this model?
Use EATD, part 290-120, for ATD-1/4. Standard, Camlock and XL replacement kits are not interchangeable.
What desiccant does this model use?
This model uses activated alumina in a replaceable desiccant bag. Select the kit specified for the exact housing configuration.
Is this intended for continuous production air?
The ATD Series is intended for intermittent, point-of-use drying. Contact us to size a dryer for continuous duty or a specified dew point requirement.
Is a mounting clip included?
The ATD-FX mounting clip, part 290-310, is sold separately and is listed for this model.
What are the inlet pressure and temperature limits?
Maximum inlet pressure is 150 PSIG and maximum inlet temperature is 100°F (38°C). Cool the air upstream as needed before it enters the dryer.
When should the desiccant be replaced?
Replace the desiccant according to the manufacturer instructions and when drying performance indicates saturation. Service life depends on moisture loading, temperature and use.
Does this dryer qualify for free shipping?
Yes. This dryer exceeds the $199 eligible order threshold for free standard shipping. Destination restrictions and expedited charges may apply.
Shipping and Returns
Free standard shipping on eligible orders of $199 or more. Destination restrictions and expedited charges may apply.
Eligible returns require an RMA and must be requested within the 14-day return window. Items must be new and unused. A 25% restocking fee applies, and the customer pays return freight. Electrical items, piping, built-to-order products and opened fluids are non-returnable. Contact us before returning any item.
