Shipping
- Complimentary ground shipping within 1 to 7 business days
- In-store collection available within 1 to 7 business days
- Next-day and Express delivery options also available
- Purchases are delivered in an orange box tied with a Bolduc ribbon, with the exception of certain items
- See the delivery FAQs for details on shipping methods, costs and delivery times
Returns and Exchanges
- Easy and complimentary, within 14 days
- See conditions and procedure in our return FAQs
Questions?
Call 1-877-388-4111 or email sales@penryair.com.
Availability/Lead Time
If an item is out of stock, we provide an estimated arrival time at Penry Air. This estimate is based on information from the manufacturer and our experience with ordering the item. Please note that the actual lead time may vary. The estimate does not include shipping time to your location.
If you have any questions about availability, please call 1-877-388-4111 or email sales@penryair.com.
Call to speak with our air compressor experts! We offer product assistance, advice and quotes on quality products!
Let us help you design the air system that best suits you!
Mon-Fri 6:00 am to 5:00 pm CST
Live Chat feature available on the weekend
Call To Us Free: 877 388 4111
"Over 50 Years of Experience"
HLD Series Low Dew Point Heatless Air Dryer
The HLD Series by Altec AIR delivers exceptional performance in demanding environments requiring ultra-dry air. Designed to achieve a standard -100°F / -73°C pressure dew point (PDP), these dryers are ideal for critical applications and low ambient temperature conditions across multiple industries.
Each unit is equipped with factory-installed filters with differential pressure gauges and a pre-filter timer drain, ensuring maximum protection and ease of maintenance. The HLD Series also includes a feature-rich ETL Listed Pro-Logic controller in a NEMA 4 enclosure and E-Z switching valves designed for extended valve life and consistent operation.
Key Features:
-
Standard outlet dew point: -100°F / -73°C (PDP)
-
Max inlet pressure: 150 PSIG
-
Max operating temperature: 120°F / 49°C
-
Power requirements: 120 VAC, 1 Phase, 60 Hz
-
Factory-installed filters: with differential pressure gauges and pre-filter timer drain
-
Purge control: Optimum factory pre-set purge regardless of operating pressure
-
Switching valves: E-Z switching valves for long service life
-
Controller: ETL Listed Pro-Logic with NEMA 4 enclosure
-
Selectable cycles and 3-way inlet valve: reduces number of valves
-
Hard point mounting: ensures installation integrity
-
Safety: ASME safety relief valves
-
Filter monitoring: Delta PSI gauges for filter element condition
-
Regulated purge: on models HLD-0100 and larger
-
Independent re-pressurization circuit
-
Optional features: EcoTronic dew point demand control, dual filter & bypass packages, high pressure (200–1000 PSIG) models