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PB 760-7400 HE

High-capacity blower purge and zero purge adsorption dryers designed for large industrial compressed-air systems, combining high energy efficiency, low pressure dew points and dependable operation. The range delivers -40°C pressure dew point as standard, with -70°C available as an option, and capacities up to 12,600 m³/h.
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Introduction

Atcorp offers PB 760–7400 HE blower purge and zero purge adsorption dryers for large-scale compressed-air installations where energy efficiency and dependable low-dew-point air are essential. The range combines multi-layered silica gel desiccant, counter-current regeneration, Smart Cycle Control and PureLogic™ Touch monitoring to reduce operating costs while maintaining stable drying performance.

Key Benefits

Zero Purge Options
Low Pressure Drop
Long-Life Desiccant –
Smart Cycle Control
Counter-Current Regeneration
Advanced 4-Way Valve

Why Choose Pb 760–7400 He Adsorption Dryers?

Large compressed-air installations can lose significant energy through conventional purge-based drying. The PB 760–7400 HE addresses this challenge with blower purge and zero purge adsorption technology, using heated ambient air for desiccant regeneration rather than sacrificing compressed air.

 

The range combines high-efficiency multi-layered silica gel desiccant, counter-current regeneration, low internal pressure drop and intelligent cycle management. The Zero Purge configurations go further by eliminating compressed-air purge loss during the cooling stage, making them particularly suitable for installations where annual operating hours and lifecycle energy costs are significant.

Model

Version PDP -40° C

Nominal volume flow at dryer inlet (m3/h)

PB 760 HE

1296

PB 1000 HE

1728

PB 1350 HE

2268

PB 2050 HE

3492

PB 2650 HE

4536

PB 3400 HE

5760

PB 4450 HE

7560

PB 5300 HE

9000

PB 7400 HE

12600

The PB 760–7400 HE uses two adsorption towers operating alternately between drying and regeneration.

 

Step 1 – Moist Compressed Air Entry
Compressed air containing water vapour enters the active adsorption tower.

 

Step 2 – Moisture Adsorption
The compressed air flows through the multi-layered silica gel desiccant, which captures moisture.

 

Step 3 – Dry Air Delivery
The treated air leaves the active tower with the required low pressure dew point.

 

Step 4 – Desiccant Saturation
As the drying cycle progresses, the active desiccant gradually accumulates moisture.

 

Step 5 – Heated Blower Regeneration
A dedicated blower supplies ambient air to the regeneration circuit. The air is heated and passed through the saturated desiccant to remove the accumulated moisture.

 

Step 6 – Cooling
After regeneration, the desiccant is cooled before returning to the adsorption cycle.

 

Step 7 – Zero Purge Operation
On Zero Purge configurations, the cooling process is managed without sacrificing compressed-air purge, further reducing energy losses.

 

Step 8 – Tower Switching
The two towers alternate automatically, allowing one tower to dry compressed air while the other regenerates.

 

Step 9 – Continuous Operation
The alternating cycle provides continuous production of dry compressed air for the plant network.

High-Capacity Drying

With a maximum nominal capacity of 12,600 m³/h, the PB 760–7400 HE is designed for large centralized compressed-air systems and demanding industrial facilities.

 

-40°C Pressure Dew Point

The standard configuration provides a pressure dew point of -40°C / -40°F, helping protect equipment, pneumatic systems and production processes from moisture-related problems.

 

Optional -70°C Performance

A -70°C / -94°F pressure dew point is available for applications requiring exceptionally dry compressed air. The manufacturer lists this as an option for Zero Purge versions.

 

Blower Purge Regeneration

The blower purge configuration uses heated ambient air to regenerate the desiccant, avoiding compressed-air purge loss during regeneration.

 

Zero Purge Technology

Zero Purge variants additionally eliminate compressed-air purge loss during cooling, helping reduce lifecycle energy costs for installations with high utilization.

 

Smart Cycle Control

The Smart Cycle Control algorithm adjusts dryer operation at partial loads, helping reduce energy consumption without requiring a dew-point sensor as part of this control strategy.

 

Advanced Energy Management

Compressor synchronization, optional PDP control, regeneration and cooling temperature control, and purge-nozzle optimization can work together to improve overall dryer efficiency.

 

Multi-Layered Silica Gel Desiccant

High-quality, high-efficiency, long-life multi-layered silica gel provides reliable moisture adsorption and supports stable pressure dew-point performance.

 

Counter-Current Regeneration

Counter-current regeneration helps optimize energy use and supports consistent production of dry compressed air.

 

Long-Life 4-Way Valve

The high-performance 4-way valve directs airflow between the two towers during drying and regeneration. Its durable design is intended to reduce wear and maintenance requirements.

 

Advanced PureLogic™ Touch Controller

PureLogic™ Touch provides real-time monitoring and control of dryer performance, with remote access for performance analysis and troubleshooting.

 

Sonic Nozzle Protection

The sonic nozzle and large welded vessels help minimize the risk of desiccant crushing during operation.

 

Efficient Electric Heater

The stainless-steel insulated heater construction is designed to provide efficient airflow, energy use and long operating life.

 

Compact Base Frame

The base frame incorporates forklift slots to simplify transportation and handling while helping reduce the required installation footprint.

 

Galvanized Piping

Galvanized pipes with flanged connections simplify maintenance and help minimize the risk of leakage.

Drying Technology

  • Blower purge adsorption
  • Zero purge adsorption
  • Two-tower operation
  • Heated regeneration
  • Counter-current regeneration
  • -40°C standard PDP
  • -70°C optional PDP
  • Multi-layered silica gel desiccant

Energy Management

  • Smart Cycle Control
  • Compressor synchronization
  • PDP control
  • Regeneration temperature control
  • Cooling temperature control
  • Purge-nozzle optimization
  • Zero purge cooling

Mechanical Construction

  • Welded vessels
  • Large vessel diameter
  • Sonic nozzle
  • Long-life 4-way valve
  • Robust switching valves
  • Stainless-steel insulated heater
  • Galvanized piping
  • Flanged connections
  • Compact base frame
  • Forklift slots

Control & Monitoring

  • PureLogic™ Touch controller
  • Real-time performance monitoring
  • Remote access
  • PDP monitoring
  • Energy-management functions
  • Maintenance and troubleshooting support

Available Options

  • Maximum working pressure up to 14.5 barg
  • PDP sensor and control
  • Second PDP read-out
  • -70°C PDP Zero Purge configuration
  • Inlet and outlet filters
  • High inlet-temperature variant
  • High ambient-temperature variant
  • Dryer tower insulation
  • Purge-nozzle optimization
  • Blower inlet filter
  • External pilot-air connection for low-pressure inlet
  • ANSI flanged connections
  • Wooden packaging

Industrial Applications

PB 760–7400 HE adsorption dryers are designed for large industrial compressed-air systems where high airflow, low dew point, energy efficiency and reliable operation are important.
Automotive Manufacturing
Supports large-scale pneumatic automation, assembly systems, production equipment and selected finishing processes
Large Manufacturing Plants
Suitable for centralized compressed-air networks serving multiple production lines, utilities and pneumatic systems.
Textile Manufacturing
Supports large compressed-air installations serving textile machinery and pneumatic production equipment. The PB range emphasizes high efficiency, reliability and long service intervals for textile applications.
Power & Utility Plants
Suitable for large centralized compressed-air networks used for instrumentation, controls and plant utilities.
Food & Beverage
Can support appropriate production and utility-air applications requiring dry compressed air, subject to the specific air-quality requirements of the process.

Frequently Asked Questions

Find answers about PB 760–7400 HE blower purge and Zero Purge adsorption dryers, capacity, pressure dew point, energy efficiency, regeneration, controls and applications.
The PB 760–7400 HE is a range of high-capacity blower purge and Zero Purge adsorption dryers designed for large industrial compressed-air systems requiring reliable low-dew-point air and optimized lifecycle costs.
The range covers nominal inlet flows from 1,296 to 12,600 m³/h.
The range includes PB 760 HE, PB 1000 HE, PB 1350 HE, PB 2050 HE, PB 2650 HE, PB 3400 HE, PB 4450 HE, PB 5300 HE and PB 7400 HE.
Selection should consider actual compressed-air flow, operating pressure, required pressure dew point, inlet and ambient temperatures, annual operating hours, energy priorities, installation space and required control features.
The choice depends on the plant’s operating profile and lifecycle-cost priorities. Blower purge eliminates compressed-air loss during regeneration, while Zero Purge goes further by eliminating purge loss during cooling as well. For high-utilization installations, the additional energy savings can make Zero Purge particularly attractive.
Yes. Atcorp can help Indian industrial customers evaluate their compressed-air drying requirements and identify the appropriate PB 760–7400 HE model and configuration based on airflow, pressure, dew point, operating conditions, energy priorities and plant requirements.

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