Description
ELGi HLD 25X Modular Desiccant Dryer
The ELGi HLD 25X is a modular desiccant air dryer designed for moisture‑sensitive compressed air systems that need consistently dry air. Desiccant drying helps prevent corrosion, sticking valves, and moisture‑related quality issues in downstream piping, tools, and equipment.
This model is designed to deliver ≤ -40°F Dew Point drying performance with low pressure drop and an efficient purge design to help reduce operating costs. It is a compact, ready‑to‑install package for point‑of‑use and small system drying.
Key Features
- Low dew point air: Designed for ≤ -40°F Dew Point dry air delivery for moisture‑sensitive applications.
- Energy‑conscious drying: Desiccant design targets low purge loss and efficient operation across varying demand.
- Low pressure drop: Supports efficient air delivery to end uses.
- Modular footprint: Compact form factor helps simplify integration in tight mechanical rooms and point‑of‑use installs.
- Included filtration: Uses a matching pre‑filter (AF 0294P) and final filter (AF 0294F) to protect the dryer and downstream equipment.
- Electrical flexibility: 100–240 V / 60 Hz / 1 Phase supply for streamlined installation.
Specifications
| Model | HLD 25X |
|---|---|
| Dryer Type | Modular Desiccant Dryer |
| Flow Capacity | 250 CFM |
| Max Working Pressure | 232 PSIG |
| Rated Dew Point | ≤ -40°F Dew Point |
| End Connection | 1 1/2" NPT |
| Operating Voltage | 100–240 V / 60 Hz / 1 Phase |
| Max. Dryer Dimensions (in) | W 17.7 × D 22.9 × H 75.8 |
| Dryer Weight | 525 lb |
| Included Pre-Filter | AF 0294P |
| Included Final Filter | AF 0294F |
| Optional Carbon Filter | AF 0294C |
| Optional Carbon Filter P/N | B003308170099 |
Benefits
- Protects equipment and piping: Helps reduce moisture‑driven corrosion and contamination downstream.
- Improves process reliability: Drier air helps reduce sticking valves and moisture‑related downtime.
- Supports stable air quality: Desiccant drying helps maintain a consistent dew point for critical uses.
- Right‑sized capacity: 250 CFM flow capacity supports properly sized small systems and point‑of‑use stations.
Installation & Application Notes
- Rated capacity is typically stated at nominal conditions (100°F ambient, 100°F inlet air, 100 psig) unless otherwise noted.
- Install the dryer where inlet air temperature and airflow stay within the model’s design limits for consistent drying.
- Use upstream and downstream filtration listed in the specifications table to protect the desiccant bed and keep oil aerosols out of sensitive equipment.
- Confirm end connection (1 1/2" NPT) matches your piping and allow clearance for filter element service.
The ELGi HLD 25X is a strong fit for applications that require compact desiccant drying, stable low‑dew‑point air, and a modular installation approach.
Frequently Asked Questions
ELGi HLD 25X Modular Desiccant Dryer
▶️ Question: What does a ≤ -40°F dew point help prevent?
Answer: A very low dew point reduces the chance of condensation forming in piping and at points of use, helping prevent corrosion, sticking valves, and moisture‑related product or process issues.
▶️ Question: How do I know if this dryer is sized correctly?
Answer: Confirm your system demand at operating pressure does not exceed the dryer’s rated flow (250 CFM). If demand can exceed that rate, select the next larger model to maintain drying performance.
▶️ Question: Do I need filters with a desiccant dryer?
Answer: Yes—filtration helps protect the desiccant and improves downstream air quality. This configuration references a matching pre‑filter (AF 0294P) and final filter (AF 0294F) in the specifications table.
▶️ Question: Where should I install the dryer in my system?
Answer: Install after the compressor/aftercooler and upstream of the most moisture‑sensitive equipment. Keep piping runs short to the point of use when possible.
▶️ Question: What routine maintenance should I plan for?
Answer: Plan periodic filter element changes and inspection of the dryer’s operating status/alarms. Maintenance frequency depends on inlet air quality, run hours, and contamination load.
