Dust Extraction System

A well designed Dust Extraction System will transform your work place.

Investment in a new dust extraction system will pay for itself with benefits to staff and lower equipment maintenance.

Well designed Dust Extraction System will transform your work place

Cleaner, safer work areas with less down time for maintenance is the result of our installation here.

Industrial Dust Extraction Systems: Understanding Dust Extraction Systems

If you've noticed dust floating through your workspace, you've seen exactly why a dust extraction system matters. These systems work by creating negative pressure that pulls contaminated air through filtration, capturing particles before your team breathes them in.

What makes dust extraction systems work so well is how all the components come together; extraction hoods at each source, ductwork carrying dust away, and collectors capturing everything. The real key to any dust extraction system is source capture: grabbing dust right where it's created, before it spreads. This approach is far more efficient than trying to clean air that's already contaminated.

Benefits of Dust Extraction Systems

 When you install a dust extraction system, you'll notice the difference quickly. The most important benefit is protecting your people as dust exposure leads to serious respiratory problems, and your dust extraction system stops those particles before anyone breathes them in.

You'll also find your facility stays cleaner with less effort. When your dust extraction system captures particles at source, they're not settling everywhere, so cleaning takes far less time. Your equipment benefits too. Dust extraction systems remove fine particles that would otherwise damage machinery, meaning fewer breakdowns and longer equipment life.

There's compliance as well. WorkSafe expects dust control, and having a proper dust extraction system shows you're serious about it. For combustible materials, your dust extraction system also prevents dangerous accumulation.

21st C energy saving features are available on our Central dust extraction systems: is this a priority for your company ?

Nuisance dust can be a result of many processes and LEV solutions might includes use of hoods extracted by a central extraction system

Portable mobile or trolley extractors are seen as a cheap solution but are usually undersized for the task and emit dangerous sized particles

Types of Dust Extraction Systems

Different dust extraction system setups work better for different situations.

Central Dust Extraction Systems

 When you've got dust at multiple points, a central dust extraction system often makes most sense. These connect all extraction points to one collector through ductwork. Central dust extraction systems give you consistency. Every workstation gets proper extraction, and you maintain one main system.

Downdraft Dust Extraction Systems

For bench work like grinding or sanding, downdraft dust extraction systems are hard to beat. They pull air through the work surface, catching particles before they float up. Downdraft dust extraction puts extraction exactly where you need it. See our Downdraft Tables for sanding, Grinding Benches and Dust Karts for grinding dust, Welding Centres for fumes and dusts associated with metal work, Dust Boxes and Dust Drawers to filter in line small quantities of dust produced in a variety of processes.

Cyclone Dust Extraction Systems

Cyclone dust extraction systems add pre-separation that spins heavier particles out before filters. These are promoted as extending filter life significantly, which is especially valuable in woodworking dust extraction:handling chips alongside fine dust. However they should only be used as seperators and not a total solution - they do not capture the very fine dust which will continue to be emmitted out the top covering buildings, cars and causing nuisance to anything in the surrounding area.

Read about our Cyclones

 Local Exhaust Ventilation: LEV

LEV is the principle behind effective dust extraction systems: capture contamination at source rather than ventilating it after it's spread. See the variety of our LEV solutions

 Portable Dust Extraction Systems

Sometimes you need flexibility. Portable dust extraction systems pack everything into mobile units you can move wherever needed. But whilst they seem to offer advantages if work moves around the workshop, they are in fact banned in Europe for letting out the very finest of dust particles that cannot be seen with the naked eye and are in fact the most dangerous to human lung health. Most acknowledge they work well for a short time, then the suction drops off and they stop doing their job! A simple modular unit situated outside will save you money and keep your staff safer than money spent on several smaller trolleys. If budgets are an issue, our self build modules will help reduce the inital cost!

The many components in your new dust extraction system need to ensure smooth air flow to ensure efficiency and avoid blockages

Our sales team understand air flows and duct sizing : this ensures the system we design for you will operate effectively

Dust Extraction System Components

 Understanding what's in your dust extraction system helps you see why each part matters.

Extraction Hoods

Extraction hoods are where everything starts in your dust extraction system. They are positioned at each source to capture particles as they're generated. Hood design makes a huge difference to dust extraction system performance. Different jobs need different styles, from enclosing hoods to flexible extraction arms for very small amounts of dust for eg. bagging.

Often the dust is collected directly off a macjhine using our huge range of German made flex and is then transported to the adjoining metal ductwork.

Ductwork

Ductwork is your dust extraction system's transport network. It needs proper sizing to keep particles moving.  Too slow and dust settles, too fast wastes energy. Good dust extraction ductwork has sealed joints and smooth transitions.

Dust Collectors

The collector is the heart of your dust extraction system, separating particles for disposal or reuse. Options include baghouse filters and cartridge collectors. Modern dust extraction systems include automatic cleaning that save energy and have explosion relief as a part of their design.

Fans

 Fans provide the power driving your dust extraction system. Variable drives let you adjust output to match demand, saving energy while maintaining dust extraction performance. Our range from fans from our European supplier are ready to match your dust collector volumes to give one quality cohesive system - see our range which includes clean air, material handling depending on which side of your dust collector you install.

Dust Extraction System Design

Good dust extraction system design follows solid engineering principles.

Source capture is fundamental as it takes far less airflow to grab dust where it's made than to filter contaminated air. That's why dust extraction systems prioritise hood placement and design.

Capture velocity needs to be enough to overcome dust movement. Transport velocity through dust extraction ductwork keeps particles airborne until they reach collectors. System balancing ensures every branch of your dust extraction system gets proper airflow.

Large scale woodworking sites frequently need Rotary Valve exit for discharge directly to collectable bin

We exceed the Ministry of Education Guidelines for schools including ATEX Equipment Directive 2014/34/EU for explosive atmosphere protection

Dust Extraction Applications

We've installed dust extraction systems across many industries: each industry type has specific requirements which we can accomodate with our extensive range of products - each customer will also have issues unique to their plant but with our considerable experience we can always provide a cost effective solution.

Buying an Industrial Dust Extraction System:

Woodworking Dust Extraction Systems

Wood dust extraction systems handle everything from chips to fine sanding dust. Some use two-stage separation with cyclones firstbut the key is the correct sized filter area for the operation. Because wood dust burns, safety features like spark detection protect woodworking dust extraction systems.

Metal Dust Extraction Systems

Metalworking dust extraction systems face different challenges:  sparks, fumes, potentially toxic particles. These dust extraction systems need spark arrestors and appropriate filter media.

Food Dust Extraction Systems

Food processing needs hygienic dust extraction systems you can clean thoroughly, plus explosion protection for high risk combustible ingredients such as flour.

School Dust Extraction Systems

School dust extraction systems require special attention to safety features recommended by Ministry of Education guidelines. Our filters exceed these.

Installation and Maintenance

Getting your dust extraction system installed properly is crucial. We plan carefully to minimise disruption and ensure every duct joint seals properly giving years of efficient service.

Regular maintenance keeps your dust extraction system performing as well as the day the system was commissioned. Monitoring filter pressure, checking ducts for buildup, confirming fans deliver needed airflow are all part of the inspection we offer annually to our customers with a complete dust extraction system installation.

A report is provided with advice for any changes that may have been made since commissioning ensuring you can show your Insurance company or any Worksafe represetative that your dust solution has been inspected by a person experienced in the specialist area of dust extraction - not just some HVAC representative or building manager. 

We know our dust! We are in dusty environments all over NZ every week.

Working with NZ Duct+Flex

We start every dust extraction project by understanding what you need through site visits and conversations about your challenges. From there, we design a dust extraction system that fits your situation.

We train your team for confident dust extraction system operation, and our ongoing support keeps your system performing year after year.

We keep big industry installs and small workshops compliant - taking care of any special production requests such as separation.