Qmax is a slot drainage system for applications consisting of small to large catchment areas. Bodies are manufactured from polyethylene (PE) ensuring the system is lightweight and robust.
Qmax comprises 2 metre long units available in 6 sizes. Simple access and connection between each channel run is provided by a range of access units, pits and connectors.

Qmax - features & benefits
| Galvanised steel edge rail | |
| Manufactured from recycled polyethylene | |
| Male / female (push-fit) interlock | |
| Installation levelling feet | |
| High capacity drainage |
Qmax - product details

| Description | Part No. | Invert Depth mm |
Weight kg |
Spec Info |
|---|---|---|---|---|
| Qmax 225 Channel with Q-Flow galvanised steel slot – (2m) 2 | 32802 | 425 | 17.8 | |
| Qmax 225 End cap – (0.24m) | 42221 | 1.4 |
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax 225, 300 & 350 channels can be connected directly to Qmax Universal Pit (Part No. 44316).
3. Step connector available for connecting Qmax 225 channel to Qmax 350 channel.
4. Dimensions on drawings are in millimetres.
| Description | Part No. | Invert Depth mm |
Weight kg |
Spec Info |
|---|---|---|---|---|
| Qmax 300 Channel with Q-Flow galvanised steel slot – (2m) 2 | 296026 | 515 | 29.0 | |
| Qmax 300 End cap – (0.051m) | 143130 | 0.34 |
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax 225, 300 & 350 channels can be connected directly to Qmax Universal Pit (Part No. 44316).
3. Step connector not available.
4. Dimensions on drawings are in millimetres.
| Description | Part No. | Invert Depth mm |
Weight kg |
Spec Info |
|---|---|---|---|---|
| Qmax 350 Channel with Q-Flow galvanised steel slot – (2m) 2 | 32812 | 550 | 24.0 | |
| Qmax 350 End cap – (0.26m) | 42351 | 2.8 |
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax 225, 300 & 350 channels can be connected directly to Qmax Universal Pit (Part No. 44316).
3. Step connector available for connecting Qmax 225 channel to Qmax 350 channel. Step connector not available for connecting Qmax 350 channel to Qmax 365 channel.
4. Dimensions on drawings are in millimetres.
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax Universal Pit (Part No. 44316) requires the relevant pit connector assembly.
3. Step connector available for connecting Qmax 365 channel to Qmax 465 channel. Step connector not available for connecting Qmax 350 channel to Qmax 365 channel.
4. Dimensions on drawings are in millimetres.
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax Universal Pit (Part No. 44316) requires the relevant pit connector assembly.
3. Step connector available for connecting Qmax 365 channel to Qmax 465 channel. Step connector available for connecting Qmax 465 channel to Qmax 600 channel.
4. Dimensions on drawings are in millimetres.
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax Universal Pit (Part No. 44316) requires the relevant pit connector assembly.
3. Step connector available for connecting Qmax 465 channel to Qmax 600 channel.
4. Dimensions on drawings are in millimetres.
Notes
1. EN 1433 Class F900kN load classification is similar to AS 3996 Class G 900kN.
2. Qmax Universal Pit (Part No. 44316) requires the relevant pit connector assembly.
3. Qmax 225, 300 & 350 channels can be connected directly to Qmax Universal Pit (Part No. 44316).
4. Dimensions on drawings are in millimetres.
Notes
1. Step connector not available for Qmax 300 channel.
2. Step connector not available for connecting Qmax 350 channel to Qmax 365 channel.
3. Dimensions on drawings are in millimetres.
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