| BRAND | Josef Emmerich |
| Product | 40300054 |
| Internal code | IMP4952485 |
| Custom code | 84139100 |
| Technical specification | airflow sensor for piston diaphragm pumps with a flow rate of 2.5m³/h to 6m³/h, single-acting. Enables precise adjustment of the air volume and visual verification of the function of the air supply valve |
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