NBN EN 1825-2 : 2002

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Application
5 Nominal size
6 Selection of the nominal size
   6.1 General
   6.2 Determination of the specific values
        6.2.1 Maximum flow rate of wastewater
        6.2.2 Temperature factor f[t]
        6.2.3 Density factor f[d]
        6.2.4 Detergent and rinsing agent factor f[r]
   6.3 Special cases
   6.4 Determination of sludge trap volume
7 Installation
   7.1 Limitations
   7.2 Place of installation
   7.3 Drainage to and from the separator
   7.4 Ventilation
8 Operation, inspection and maintenance
Annex A (normative) Calculation of maximum wastewater
        flow Q[s]
   A.1 Calculation based on equipment/fittings
        discharging into the separator
        A.1.1 General
        A.1.2 Maximum wastewater flow rate Q[s]
   A.2 Method based upon the type of establishment
        discharging into the separator
        A.2.1 General
        A.2.2 Maximum wastewater flow rate Q[s]
Annex B (informative) Densities of greases and oils
Annex C (informative) Examples of determining nominal
        size of grease separator
   C.1 Examples of calculation based on
        equipment/fittings discharging into the
        separator
   C.2 Examples of calculation based on the type of
        establishment discharging into the separator
Annex D (informative) Measures to prevent grease
        accumulating and grease build-up in the
        pipelines upstream of the grease separator
Bibliography

Specifies guidance on the selection of nominal sizes, installation, operation and maintenance of grease separators manufactured in accordance with prEN 1825-1.