The process pump is a centrifugal pump which is used in chemical processes, e.g. in oil refineries and the petrochemical industry (see Refinery pump). Its design is generally of the back pull-out type. Like chemical pumps, process pumps are used for handling aggressive chemical fluids.
Process Pump/Double Acting Pump
| Series/CAD | Model | Action | Discharge rate (L/min) | Wetted part material |
| PA3000 | PA3xx0  | Automatically operated type | 1 to 20 | ADC12 (Aluminum) SCS14 (Stainless steel) |
| PA3x13 | Air operated type | 0.1 to 12 | ||
| PA5000 | PA5xx0 | Automatically operated type | 5 to 45 | |
| PA5x13 | Air operated type | 1 to 24 | ||
| PAP3000 | PAP3310 | Automatically operated type | 1 to 13 | New PFA (Fluororesin) |
| PAP3313 | Air operated type | 0.1 to 9 | ||
| PAX1000 | PAX1x12 | Automatically operated type Built-in pulsation attenuator | 0.5 to 10 | ADC12 (Aluminum) SCS14 (Stainless steel) |
Process Pump/Diaphragm Pump
| Series/CAD | Action | Discharge rate (L/min) | Wetted part material | |
| PB1000A | PB1011A  | Built-in solenoid valve | 8 to 2000 | Polypropylene Stainless Steel 316 |
| PB1013A | Air operated type | 8 to 1000 | ||
| PB1313A | Air operated type | 8 to 1000 | New PFA (Fluororesin) | |
Process Pump/Single Acting Pump
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Non-Metallic Pump/Double Acting Pump
| Series/CAD | Model | Action | Discharge rate (L/min) | Wetted part material |
| PAF3000 | PAF3410 | Automatically operated type | 1 to 20 | New PFA (Fluororesin) |
| PAF3413 | Air operated type | 1 to 15 | ||
| PAF3410-X68* | Automatically operated type | 1 to 20 | ||
| PAF5000 | PAF5410  | Automatically operated type | 5 to 45 | |
| PAF5413 | Air operated type | 5 to 38 |