NEN EN 12050-4 : 2015
Current
The latest, up-to-date edition.
WASTEWATER LIFTING PLANTS FOR BUILDINGS AND SITES - PART 4: NON-RETURN VALVES FOR FAECAL-FREE WASTEWATER AND WASTEWATER CONTAINING FAECAL MATTER
12-01-2013
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Principles of construction
5.1 Connections
5.2 Solids passage
5.3 Design requirements
5.4 Cleaning opening
6 Materials
7 Testing documentation and samples to be tested
8 Testing
8.1 General requirements
8.2 Functional testing
9 Conformity evaluation
9.1 General
9.2 Initial testing of the products (type testing)
9.3 Factory production control (FPC) carried out by
the manufacturer (internal conformity evaluation)
9.4 Non-conforming products
10 Marking
Annex A (normative)
Noise level
Annex B (informative)
Recommended materials
Annex C (informative)
Conformity evaluation by an independent third party
(third party evaluation)
Annex Z (informative)
Links with the EU Construction Products Directive
(89/106)
Bibliography
(third party evalu
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