The document describes a product called Umlauffiltereinheit, which is a device used for filtration and circulation. The product offers various filter material and filter fineness options, and comes with different motor and pump choices. It is suitable for different voltages and frequencies, and has different flow rates and pressure ranges. The product also provides multiple connection options and contamination indicators.
The INTERNORMEN US 321 is a stationary circulation filter unit designed for oil maintenance in hydraulic systems. It is equipped with a gear pump driven by an electric motor and features a filter element with a nominal size of 1000. The unit is intended for secondary filtration, filtration without the main operating filter, and filtration during tank filling. It is not designed for recirculating contaminated fluids and lacks a bypass valve.
The datasheet provides a detailed key for configuring the unit, including filter material fineness (4, 5, 7, or 10 microns), sealing materials, and various contamination indicators (optical, electrical, or opto-electrical). Technical data specifies a mass of approximately 125 kg and operation with mineral-based hydraulic oil. The document also lists spare parts and applicable testing standards. This manual is written in German.
| Mass | ca. 125 kg |
|---|---|
| Filter fineness | 4, 5, 7 or 10 LM |
| Pump unit | NG 320.200 |
It is intended for oil maintenance in hydraulic systems, including secondary filtration, filtration without the main operating filter, and filtration during tank filling.
No, the unit is not designed for recirculating contaminated fluids and is equipped without a bypass valve.
Contamination can be read via a pressure gauge on the filter cover; replacement is needed when pressure exceeds 2.5 bar.