![](https://www.maxmachinery.com/wp-content/uploads/2018/08/Part-Number-Matrix-Overview-2018.jpg)
Max Precision Flow Meters part nomenclature follows the general format shown above. For specific product selection matrices, choose your flow meter series and pressure rating below:
PSeries PartNumber Selector 250PSI
![PSeries PartNumber Selector 250PSI Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/PSeries-PartNumber-Selector-250PSI-Web-Rev2022-1024x1024.jpg)
PSeries PartNumber Selector 3000PSI
![PSeries PartNumber Selector 3000PSI Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/PSeries-PartNumber-Selector-3000PSI-Web-Rev2022-1024x1024.jpg)
PSeries PartNumber Selector 7250PSI
![PSeries PartNumber Selector 7250PSI Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/PSeries-PartNumber-Selector-7250PSI-Web-Rev2022-1024x1024.jpg)
GSeries PartNumber Selector – up to 6000 PSI
![GSeriesHS PartNumber Selector Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2023/07/GSeriesHS-PartNumber-Selector-Web-Rev2023.jpg)
GSeriesHZ PartNumber Selector – 316 Steel up to 6000 PSI
![GSeriesHZ PartNumber Selector Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/GSeriesHZ-PartNumber-Selector-Web-Rev2022-1024x1024.jpg)
HSeries PartNumber Selector – up to 3500 PSI
![HSeries PartNumber Selector Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/HSeries-PartNumber-Selector-Web-Rev2022-1024x1024.jpg)
P234 Water Meter PartNumber Selector – up to 3000 PSI
![PSeriesWater PartNumber Selector 3000PSI Web Rev2022](https://www.maxmachinery.com/wp-content/uploads/2022/06/PSeriesWater-PartNumber-Selector-3000PSI-Web-Rev2022-1024x1024.jpg)