Deconta’s Negative Pressure Units: Their Features and Benefits

May 12, 2025

Maintaining a clean and safe workplace is crucial if you’re working in hazardous environments. The most difficult part while working in these environments is to keep the air clean and remove any airborne contaminants present. Keeping the air safe is very important to maintain the safety of the workers and nearby areas. One of the most effective ways to do this is by using Deconta’s negative pressure units.

These powerful pressure units stop contaminated air from spreading to clean areas. It captures and removes contaminated air before it causes any harm. In this guide, we will explore the key features and benefits of Deconta’s negative pressure units so you can choose the right system for your needs.

What is a Negative Pressure Unit?

A negative pressure unit is a machine designed to stop harmful and contaminated air from spreading to clean areas. It works by creating a low-pressure area inside the specific zone than the surrounding areas. As the pressure inside the room is lower, the contaminated air cannot spread outside. With effective air filtration, the airborne contaminants are captured and the clean air is passed out.

Negative pressure units make sure the workspace stays clean and safe. When used the right way, it lowers the chance of exposure to harmful particles. These machines are very important on industrial sites or asbestos removal sites. It is commonly used in containment areas during decontamination or remediation projects as well. They also meet the safety rules and standards protecting the health of everyone involved.

List of Negative Pressure Units

Deconta offers a wide range of negative pressure units to ensure the safety of everyone involved in working in a hazardous environment. Each model is built to meet different needs and safety levels. These negative pressure units are renowned and trusted on most industrial sites across Australia. Here’s the list of negative pressure units available at Deconsafe Solutions:

Green Dec G 55 SE
Green Dec G 100 SE
Green Dec G 200 SE
Green Dec G 300 SE
Smart Dec S 200 SRE
Smart Dec S 300 SRE
Smart Dec S 55 SE
Smart Dec S 500 S
Smart Dec S 400 SE

1. Green Dec G 55 SE

The Green Dec G 55 SE is a small but powerful negative pressure unit. It is built to control air safely in small asbestos removal zones. Even with its compact size, this unit delivers strong performance. It helps stop harmful dust and fibres from escaping the work area. This model works well in tight places where larger machines may not fit. It is easy to move and quick to set up.

The G 55 SE comes with two control options. One lets the user control the power by hand and check the filter easily. The other allows the unit to be managed from a phone, tablet, or computer. This makes it easy to keep track of the air pressure and adjust settings as needed.

Features and Benefits

High Airflow Power: Strong air control with effective dust and fibre removal.
Smart Negative Pressure Technology: Keeps the work zone safe by stopping dirty air from moving out.
Two Control Options:
- Control SE – Manual control with a clear filter-checking system.
- Control SRE Connect – Remote control through mobile, tablet, or computer with a smart touchscreen.
Continuous Speed Control: Keeps a steady airflow based on the site’s needs.
Filter Sensor with Alarm: Warns with alarms in case of emergency or mishappenings.
Compact and Lightweight: Easy to carry and install (525 x 390 x 390 mm and 18.8 kg).
Easy-to-Use Display: An easy-to-use interface to set the settings fluently.
Low Energy Use: Runs for long hours with minimal power consumption.

2. Green Dec G 100 SE

The Green Dec G 100 SE is a strong and smart negative pressure unit designed mostly for use in sites where harmful materials like asbestos must be removed safely. It pulls the contaminated air out of the work area and keeps it from moving into other parts of the building.

The G 100 SE is powerful enough to handle big jobs. It can move up to 1650 cubic meters of air every hour. It also has a strong filtration system with three-stage HEPA and pre-filters. These filters trap even the smallest particles, making the air much safer.

Features and Benefits

High Airflow Power: Moves up to 1650 m³/h of air with strong HEPA and pre-filters.
Smart Negative Pressure Control: Keeps the contaminated air inside the work area and stops it from spreading.
Two Easy Control Options:
- Control SE: Manual power control with a manometer to show when to change filters.
- Control SRE Connect: This lets you manage the unit from a PC, phone, or tablet using a simple touchscreen.
Automatic Speed Control: Keeps the right airflow by changing the fan speed as needed.
Filter Sensor with Alerts: Gives alarm warnings if the air is unsafe or filters need to be changed.
User-Friendly Design: Easy to set up and control with a clear display for all key settings.
Low Energy Use: Built for long-term use while saving power.

3. Green Dec G 200 SE

The Green Dec G 200 SE is a powerful negative pressure unit made for demanding work environments where safety is a priority. This unit helps create a safe work zone by controlling the airflow and stopping contaminated air from spreading to clean areas.

The Deconta G200 Negative Pressure Unit offers an air movement capacity of 3000 m³/h. It includes a three-stage HEPA and pre-filters that capture fine dust, particles, and hazardous fibres. Even with such high performance, the G 200 SE is compact and easy to move. It fits well in tight spaces and weighs only 55 kg, including the air filter.

Features and Benefits

High Airflow Capacity: Moves up to 3000 m³/h of air with three-stage HEPA and pre-filters.
Reliable Negative Pressure Control: Keeps hazardous air inside the work area and stops it from spreading.
Two Control Options:
- Control SE: Manual power control with a manometer to show when filters need changing.
- Control SRE Connect: Lets you control and monitor the unit from your PC, mobile, or tablet through a smart touch display.
Continuous Speed Adjustment: Keeps air pressure steady by adjusting fan speed as needed.
Filter Sensor with Alarms: Sends out visual and sound alerts when air quality drops or filters are full.
Compact and Portable: With a size of 970 x 410 x 840 mm and a total weight of 55 kg.
Easy-to-Use Display: Simple display to check and control the unit’s performance.
Energy Efficient: Built to run for long hours with low energy use.

4. Green Dec G 300 SE

The Green Dec G 300 SE is a high-powered negative pressure unit built to handle demanding environments, especially during hazardous material removal. It plays a vital role in keeping the work area safe by pulling contaminated air out and stopping it from spreading to nearby spaces.
Even though it is built for heavy-duty use, the G 300 SE remains practical in terms of size and handling. With dimensions of 1150 x 720 x 840 mm and a total weight of 79 kg, including the filter, it delivers robust performance while staying portable enough for regular site work.

Features and Benefits of the Green Dec G 300 SE

High Airflow Power: Moves up to 8000 m³/h without filters and up to 5700 m³/h with a Deconta H13 filter.
Three Filter Options: Works with a range of filters (H13, EU3, EU4) to ensure safe air quality.
Trusted Negative Pressure Control: Maintains steady negative pressure to stop contaminated air from spreading to other zones.
Flexible Control Options:
- Control SE: Manual power adjustment with a manometer to check filter condition.
- Control SRE Connect: Remotely control and monitor the unit using a PC, tablet, or smartphone.
Continuous Speed Adjustment: Keeps airflow and pressure levels steady by adjusting the fan.
Advanced Filter Sensor with Alarms: Alerts you with both light and sound alarms.
Built for Large Jobs: Reliable choice for projects that need high airflow and powerful extraction.
Strong Yet Portable: Dimensions of 1150 x 720 x 840 mm and 79 kg, balancing size and power for ease of use on-site.
Easy-to-Read Display: Helps monitor performance and make quick adjustments during work.
Low Energy Use: Runs efficiently over long periods without losing performance.

5. Smart Dec S 200 SRE

The Smart Dec S 200 SRE is a compact yet powerful negative pressure unit designed for safe air extraction during hazardous material removal. It delivers an airflow of up to 4200 cubic meters per hour, which is more than enough for medium-sized projects.

With dimensions of 845 x 718 x 790 mm and a weight of 66 kg (including the filter), it can be transported from site to site without hassle. This helps teams stay flexible and efficient, no matter where the work takes them.

Features and Benefits of the Smart Dec S 200 SRE

Strong Airflow Performance: Delivers up to 4200 m³/h of airflow, ideal for medium-sized projects.
Reliable Negative Pressure Control: Keeps contaminated air from escaping the work zone.
Two Control Options for Flexibility
- Control SE: Manual speed adjustment with a manometer.
- Control SRE Connect: Remote control using PC, mobile, or tablet. Includes a touch display for smooth adjustments.
Automatic Fan Regulation: Maintains steady airflow and pressure to meet site-specific ventilation needs.
Filter Monitoring with Safety Alerts: Both sound and visual alarms alert the team immediately.
Compact and Easy to Handle: Its small size and lightweight design make it easy to move between worksites with powerful performance.
Simple Display Interface: Easy to use and make quick changes during operation.
Low Energy Use: Designed for long hours of use without high power consumption.

6. Smart Dec S 300 SRE

The Smart Dec S 300 SRE is a top choice negative pressure unit for projects that need to remove hazardous materials safely. This unit helps to maintain a clean and controlled environment by removing contaminated air from the workspace.

The unit has a powerful airflow of up to 4200 m³/h at 230 V. It is compact in size and easy to move. With dimensions of 845 x 718 x 790 mm and a weight of 66 kg, including the filter, it fits well into many work sites. It is designed for medium-scale projects that require strong airflow and effective filtration.

Features and Benefits of the Smart Dec S 200 SRE

Strong Airflow Performance: Delivers up to 4200 m³/h of airflow, ideal for medium-sized projects.
Reliable Negative Pressure Control: Keeps contaminated air from escaping the work zone.
Two Control Options for Flexibility
- Control SE: Manual speed adjustment with a manometer that indicates when to replace the filter.
- Control SRE Connect: Remote control using PC, mobile, or tablet. Includes a touch display for smooth adjustments.
Automatic Speed Regulation: Maintains steady airflow and pressure to meet site-specific ventilation needs.
Filter Monitoring with Safety Alerts: Both sound and visual alarms to alert the team immediately.
Compact and Easy to Handle: Small size and lightweight design offering powerful performance.
Simple Display Interface: Helps workers monitor unit status and make quick changes during operation.
Low Energy Use: Designed for long hours of use without high power consumption.

7. Smart Dec S 55 SE

The Smart Dec S 55 SE is the ideal choice for small to medium worksites where safe air extraction is essential. Even though it is the base model in Deconta’s negative pressure unit range, it offers impressive performance for its size. This unit is designed to help maintain a safe and controlled environment during projects that involve hazardous dust or particles.

The S 55 SE delivers a solid airflow capacity of up to 700 m³/h. While compact and lightweight, it still ensures powerful extraction. It measures only 530 x 386 x 397 mm and weighs just 21.5 kg, including the filter. Because of its small size and low weight, it is easy to carry and quick to install.

Features and Benefits of the Smart Dec S 55 SE

Reliable Airflow Capacity: Provides up to 700 m³/h of airflow for efficient air extraction in small-scale environments.
Trusted Negative Pressure Control: Maintains a sealed workspace by removing contaminated air and preventing harmful particles from spreading.
Compact and Lightweight Design: With its size of 530 x 386 x 397 mm and a weight of 21.5 kg, it is easy to move and set up in confined spaces.
Simple to Use: A straightforward control system allows quick operation with no complicated settings.
Filter Change Indicator: Equipped with a manometer that signals when it’s time to replace the filter, helping maintain steady performance.
Energy-Efficient Operation: Engineered for long-term use with low energy consumption, saving power without reducing effectiveness.

8. Smart Dec S 500 SE

The Smart Dec S 500 SE is a high-performance negative pressure unit designed for larger hazardous material removal projects and environments that demand robust air filtration. It provides reliable and powerful air extraction, ensuring a safe environment for workers in industries such as asbestos removal, construction and environmental remediation.

Features and Benefits of the Smart Dec S 500 SE

High Airflow Capacity: Provides efficient extraction of contaminated air for larger operations.
Advanced Negative Pressure Control: Maintains a stable negative pressure environment, preventing the spread of hazardous particles.
User-Friendly Interface: Simple controls make it easy for any operator to manage airflow and ensure the unit is running at peak efficiency.
Energy-Efficient: Designed to minimise energy consumption while delivering powerful air extraction
Reliable and Durable: High-quality materials to ensure consistent performance even in challenging work conditions.

9. Smart Dec S 400 SE

The Smart Dec S 400 SE is a highly efficient negative pressure unit designed to create a safe and controlled environment during hazardous material removal operations. It is perfect for medium-sized workplaces that require effective air extraction and filtration. The S 400 SE offers a reliable and practical solution for various industries, including asbestos removal and construction sites.

Features and Benefits of the Smart Dec S 400 SE

High Airflow Capacity: Effective air extraction and negative pressure control for medium-sized operations.
Negative Pressure Technology: Maintains a controlled negative pressure zone to prevent the spread of hazardous particles.
Simple Operation: Features an easy-to-use interface, allowing operators of all experience levels to monitor and adjust the airflow quickly and efficiently.
Energy-Efficient: Designed to use minimal energy while providing maximum airflow.
Reliable Performance: Built with high-quality materials for durability.

Conclusion

Deconta’s Negative Pressure Units offer a reliable solution for preventing contaminated air from spreading through hazardous environments. Choosing the right equipment that meets your requirements is crucial to maintaining safety in the workplace. From compact models for smaller sites to powerful units for large operations, Deconta’s Negative Pressure Unit is built to work efficiently and meet all the safety standards.

Get the premium Negative Pressure Units from DeconSafe Solutions, a sole authorised reseller for Deconta Group. Explore our wide range of high-quality asbestos removal products, designed to ensure safety and efficiency in all your decontamination needs.

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