For many applications, choosing a water tank is largely a question of capacity. Work out how much water needs to be stored, identify a suitable location and select a tank of the appropriate size.
Industrial applications can be considerably more complicated.
The largest tank isn't necessarily the right tank, and a standard water storage solution may not be suitable for demanding operating environments. The liquid being stored, site conditions, tank configuration, installation requirements and the wider process all need to be considered.
For New Zealand businesses dealing with wastewater, process water, high-volume storage or specialised industrial applications, purpose-designed industrial water tanks can provide the additional capacity, durability and flexibility required.
Promax manufactures a dedicated range of industrial tanks in New Zealand for applications where standard storage may not meet the demands of the project.
So, when does an operation need to move beyond conventional water storage?
Industrial Water Tanks Are About More Than Capacity
It's easy to think of an industrial tank as simply a larger version of a conventional water tank. In reality, capacity is only part of the equation.
Industrial sites can place very different demands on storage equipment.
A tank may need to handle substantial volumes of liquid while fitting within a restricted footprint. It may form part of a wastewater treatment process, support manufacturing operations or provide buffering between different stages of a system.
Other applications may require specific fittings, outlets or access arrangements.
The first question should therefore not simply be, "How many litres do we need?"
It should be, "What does this tank need to do?"
Understanding the application first makes it easier to determine the required capacity, tank design and configuration.
When Standard Water Storage May Not Be Enough
Standard tanks work extremely well for many water storage applications. Problems can arise when they're selected for a job they weren't designed to perform.
Industrial storage may require consideration of:
- Large storage volumes
- Restricted site footprints
- Wastewater buffering
- Process water storage
- Specific liquid properties
- Large or specialised fittings
- Multiple inlet and outlet requirements
- Installation constraints
- Seismic considerations
- Integration with pumps and treatment equipment
The requirements can vary substantially between projects.
A manufacturing site managing process water, for example, has different priorities from a facility requiring temporary wastewater buffering. Likewise, a project involving chemicals needs different considerations from one storing ordinary water.
This is why industrial storage should be approached as a system requirement rather than simply a tank purchase.
High-Capacity Storage Without an Excessive Footprint
Industrial sites often require considerable storage capacity but don't necessarily have unlimited space available.
This makes tank dimensions and footprint particularly important.
Promax's industrial tank range runs from 450 litres through to 30,000 litres, across both the ENDURO and XPRESS series, providing substantial storage within purpose-designed industrial configurations.
The ENDURO 30,000L Industrial Tank, for example, is a great option with its large capacity, measuring just over 3.0m in height with a diameter of just over 3.8m.
Vertical storage can be valuable where available land is limited or where a project needs to maximise capacity within a defined area.
Rather than looking only at total litres, industrial operators should compare the relationship between capacity, height, diameter and available installation space.
Wastewater Buffering and Process Management
One application where industrial tanks can become particularly valuable is wastewater buffering.
Industrial and commercial processes don't always generate wastewater at a consistent rate. Flow can fluctuate throughout the working day, creating periods where treatment or discharge systems need to deal with significantly greater volumes.
A buffer tank provides temporary storage between stages of the process.
Instead of the downstream system having to immediately accommodate every fluctuation, wastewater can be held and managed according to the requirements of the overall system.
This can be useful in manufacturing, food processing, agriculture and other operations where liquid flows vary throughout production.
The correct tank capacity will depend on factors such as peak flow, average flow, processing capacity and how long liquid needs to be retained.
This is why wastewater storage should be designed around the process rather than simply choosing the largest available tank.
Process Water Storage
Industrial water isn't always wastewater.
Many operations need reliable storage for water used during manufacturing, cleaning, processing, washdown or other site activities.
Interruptions in water availability can affect productivity, particularly where water is essential to a production process.
Industrial tanks can provide buffer capacity, helping businesses maintain an appropriate reserve for operational requirements.
Again, the correct storage capacity should be calculated around actual demand.
Consider how much water the operation uses during normal conditions, how consumption changes during peak periods, how quickly the tank can be replenished and what reserve capacity would be required if supply were temporarily interrupted.
A properly sized industrial water storage system should support the process rather than becoming a bottleneck within it.
Industrial Tanks for More Demanding Environments
Industrial sites can expose equipment to conditions that differ substantially from conventional residential water storage.
Tanks may be installed around heavy equipment, pumps, processing infrastructure and regular vehicle movements. They may also be required to operate continuously as part of a larger system.
For these environments, construction and durability matter.
Promax Industrial Tanks are manufactured from UV-stabilised polyethylene and feature a one-piece construction without joins, seams or welds.
Polyethylene also provides resistance to corrosion, which can be advantageous in environments where conventional metal storage systems may require additional consideration around corrosion protection.
A robust tank isn't only about surviving outdoor weather. It needs to remain suitable for the operating environment throughout its expected service life.
What About Chemical Storage?
Industrial operations sometimes need to store more than water.
This is an area where tank selection becomes especially important.
A tank suitable for water should not automatically be assumed suitable for every chemical or industrial liquid. The stored substance, concentration, temperature and other operating conditions can all influence material compatibility and tank requirements.
Promax provides a separate range of Chemical and HSNO Tanks for applications involving chemical storage.
Before selecting any tank for chemical use, businesses should establish exactly what substance will be stored and confirm compatibility with the tank manufacturer or supplier.
Chemical storage can also involve additional regulatory, containment and site requirements, so the decision should be based on the complete application rather than capacity alone.
Fittings Can Be Just as Important as the Tank
A large industrial tank needs to integrate effectively with the rest of the system.
This means fittings, outlets, pipework and access points deserve careful attention.
Before ordering, establish how liquid will enter the tank, how it will leave, what flow rates are expected and what pumps or other equipment will connect to it.
The location and size of fittings can affect the efficiency of the complete installation.
Promax Industrial Tanks can be configured with different fitting options depending on project requirements. This makes it possible to consider the tank as part of the wider storage or processing system rather than treating it as an isolated component.
Discussing these requirements before manufacture or installation can avoid expensive modifications later.
Consider the Installation Site for the Tank
A 25,000L or 30,000L tank isn't something that should be positioned without planning.
The site itself needs to be considered before installation.
Questions worth addressing include:
- Is there sufficient space for the tank?
- Is the base appropriate?
- Can installation equipment access the location?
- Is there enough clearance around and above the tank?
- Where will inlet and outlet pipework run?
- How will maintenance access be provided?
- Are pumps or treatment systems located nearby?
- How will the tank be filled?
- What happens if the tank overflows?
A well-selected tank can still cause operational problems if the installation hasn't been properly considered.
Planning the complete system early helps avoid discovering that important connections, access points or equipment have been overlooked.
Seismic Considerations for Industrial Tanks in New Zealand
Earthquake resilience is an important consideration for infrastructure throughout New Zealand, and industrial liquid storage is no exception.
Large water tanks carry substantial mass when full. A 30,000-litre tank filled with water contains approximately 30 tonnes of water alone.
During an earthquake, both the tank and the stored liquid can experience significant forces.
Seismic requirements should therefore be assessed as part of the overall design and installation of industrial storage systems where applicable.
Promax offers an optional Seismic Restraint System for its Industrial Tanks. The system is designed to provide additional restraint for installations where seismic considerations form part of the project requirements.
However, requirements vary according to site, tank configuration and project. Businesses should obtain appropriate engineering advice where seismic design is relevant rather than relying on a generic solution.
For wider information about designing and constructing buildings and infrastructure for earthquake performance, see guidance from New Zealand's Ministry of Business, Innovation and Employment.
Think About Total Operating Tank Conditions
Capacity can dominate purchasing decisions because it's easy to compare.
One tank holds 25,000 litres. Another holds 30,000 litres. It can therefore be tempting to assume that selecting between them is simply a matter of deciding how much liquid needs to be stored.
Industrial projects need a broader assessment.
Consider:
- What liquid is being stored?
- What is its temperature?
- How quickly does liquid enter and leave?
- What fittings are required?
- Does the tank form part of a treatment process?
- Is storage demand constant or variable?
- What site access is available?
- Are there seismic requirements?
- Is additional containment required?
- How will the tank be inspected and maintained?
Answering these questions creates a much clearer specification.
Don't Ignore Future Capacity
Industrial storage needs can change.
Production may increase, new equipment may be installed, or site processes may evolve.
Selecting a system that only just meets today's requirements can create limitations if demand grows later.
This doesn't necessarily mean buying the largest tank available. Oversizing can introduce unnecessary cost and may not be appropriate for the process.
Instead, consider reasonable future requirements during the planning stage.
In some situations, designing the site so that additional storage can be incorporated later may provide more flexibility than substantially oversizing the initial installation.
Questions to Ask Before Choosing an Industrial Water Tank
Before purchasing an industrial storage system, clarify the following:
- What liquid will the tank contain?
- What storage capacity is actually required?
- What are the expected minimum and maximum operating levels?
- How quickly will liquid enter and leave the tank?
- What fittings and connections are required?
- What space is available on site?
- What base and installation requirements apply?
- Does the application involve wastewater or chemicals?
- Are seismic restraints required?
- Does the tank need to integrate with pumps, treatment systems or other equipment?
- What maintenance access is required?
- Could future operations increase storage demand?
These questions help move the conversation away from simply buying "a big tank" and towards specifying the right industrial storage solution.
Choosing Industrial Water Tanks in NZ
Industrial liquid storage is rarely a one-size-fits-all decision.
When standard storage is no longer enough, the solution needs to reflect the actual operating environment. Capacity remains important, but so do footprint, construction, fittings, installation, liquid compatibility, flow requirements and integration with the wider system.
For wastewater buffering, process water and other demanding industrial applications, choosing equipment around these requirements can help create a more practical and reliable storage system.
Promax manufactures Industrial Tanks in New Zealand, with high-capacity options and configurations designed for commercial and industrial applications.
If you're planning an industrial storage project, start with the application rather than simply the required number of litres. Establish what will be stored, how the system will operate and what conditions the tank will need to handle. From there, the Promax team can help identify an industrial tank configuration suited to the requirements of your project.