Altec AIR HLD Series Low Dew Point Heatless Air Dryer

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