| Code | Variation |
| GP4061D | Twin Head Glanded In-line Pump 1ph DN40 6m Head |
| GP4091D | Twin Head Glanded In-line Pump 1ph DN40 9m Head |
| GP40121D | Twin Head Glanded In-line Pump 1ph DN40 12m Head |
| GP40181D | Twin Head Glanded In-line Pump 1ph DN40 18m Head |
| GP5091D | Twin Head Glanded In-line Pump 1ph DN50 9m Head |
| GP50121D | Twin Head Glanded In-line Pump 1ph DN50 12m Head |
| GP50201D | Twin Head Glanded In-line Pump 1ph DN50 20m Head |
| GP8061D | Twin Head Glanded In-line Pump 1ph DN80 6m Head |