This document describes the features and characteristics of RÜCKLAUFFILTER Baureihe TEF 426 DN 40 PN 10, including its application as a return filter for tank installation, filter fineness, pressure resistance of the filter element, options for filter element configuration, sealing materials, and connection types.
This document provides technical information for the INTERNORMEN TEF series return line filters designed for tank installation. The specific model covered is the TEF 426 DN40 PN 10 (Article No. 1043 F), which features a nominal size of 426 and a pressure rating of 10 bar.
The filter is suitable for use with mineral oils, emulsions, and most synthetic hydraulic fluids and lubricants. It operates within a temperature range of -10°C to +80°C (short-term up to +100°C) and can handle pressure spikes safely. The unit includes options for visual or electrical contamination indicators at connection M1. This manual is written in German.
| Nominal Size | 426 |
|---|---|
| Pressure Rating | 10 bar |
| Temperature Range | -10°C to +80°C |
| Bypass Valve Opening Pressure | 2.0 bar |
| Housing Material | Al-GuB, Polyamid glasfaserverstarkt |
| Sealing Material Options | Perbunan (NBR) or Viton (FPM) |
It is suitable for mineral oils, emulsions, and most synthetic hydraulic fluids and lubricants.
The flow direction is from outside to inside.