Australian owned · Locally engineered
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Create a vortex
The inlet directs flow around the chamber to separate pollutants.
Primary treatment
Tornado GPT
Put pollution in its place.
A gross pollutant trap that combines vortex separation and indirect screening to capture litter, debris and sediment.
Product selection · Project drawings · Technical support
The system, explained
Put pollution in its place.
Tornado GPT directs stormwater into a vortex, separating gross pollutants and sediment into a collection chamber. Indirect screening and an internal hydrocarbon baffle support pollutant capture, with an internal weir managing flows above the treatment rate.
Explore our engineering supportHow it works
Purpose in every detail.
Screen and capture
Indirect screening captures gross pollutants, with settled material retained for maintenance.
Pass higher flows
The bypass weir conveys excess flow in accordance with the selected model’s hydraulic design.
Where it fits
Designed for real sites.
Urban drainage Roads and car parks Commercial sites Residential subdivisions
Explore Tornado GPT in 3D
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For designers & specifiers
How to specify
Tornado GPT.
Start with the project requirements.
We’ll help you confirm the right configuration.
Treatment target
Define the pollutants to capture and the approved water quality objectives.
Hydraulic duty
Provide treatment and peak bypass flows, pipe sizes and available head.
Model selection
Confirm the model, screening arrangement and pollutant storage capacity.
Site layout
Show inlet and outlet orientation, invert levels and finished surface level.
Structural conditions
Confirm cover loading, groundwater and the excavation and backfill design.
Maintenance access
Provide access for inspection and pollutant removal, with current model drawings and manuals.
Suggested specification wording
Complete the bracketed project details and confirm the selected model with Protector.
Supply a Protector Tornado GPT gross pollutant trap, model [MODEL], incorporating vortex separation, indirect screening, pollutant storage and the nominated bypass arrangement. Size for a treatment flow of [FLOW] L/s and peak flow of [PEAK FLOW] L/s, to achieve the approved project treatment objectives. Provide connections and maintenance access as shown on the drawings. Install and commission in accordance with the current manufacturer instructions.
Final dimensions, capacities and installation details are established in the approved project drawings and current manufacturer documentation.
Request a project-specific specification
Technical data
Inline Tornado-GPT Specification
Model selection reference. Confirm current dimensions, capacities and connection details against the approved project drawing.
| Model ID | Treatment flow (L/s) | Internal Diameter (MM) | Depth Below Invert (MM) | Max Pipe Size (MM) | Sump Capacity (M3) | Floatables Volume (MM) | Bypass Flow Rate (L/S) |
|---|---|---|---|---|---|---|---|
| TGPT.65.6010 | 65 | 1200 | 1600 | 375 | 0.68 | 0.17 | 140 |
| TGPT.110.7512 | 110 | 1500 | 1920 | 525 | 1.27 | 0.32 | 300 |
| TGPT.200.1015 | 200 | 1850 | 2400 | 600 | 2.42 | 0.65 | 440 |
| TGPT.320.1218 | 320 | 2200 | 2880 | 675 | 4.11 | 1.12 | 600 |
| TGPT.400.1518 | 400 | 2500 | 2880 | 750 | 5.30 | 1.59 | 760 |
| TGPT.720.1824 | 720 | 3000 | 3840 | 825 | 10.18 | 3.05 | 900 |
| TGPT.860.2124 | 860 | 3500 | 3840 | 900 | 13.86 | 4.16 | 1250 |
| TGPT.1350.2430 | 1350 | 4000 | 4800 | 1050 | 22.62 | 6.79 | 1700 |
Downloads & technical support
Everything you need
to move forward.
Access product documents or ask our team for the current package for your project.
Product documents
Tornado GPT downloads
Access the existing product document request page.
Open document page Project-specific packageDrawings & specification
Request the current model drawing, sizing guidance and specification for your site.
Request technical package Project supportEngineering & modelling
Coordinate the treatment train, hydraulic requirements and product layout.
Explore engineering In practiceTornado GPT projects
See applications and installations from the project archive.
Explore projects Project filmMelbourne Arts Centre
Watch the project video from the original resource collection.
Watch on YouTubeLet’s work together
The right solution starts with a conversation.
Tell us about your site, your objectives and where you need support.