NEN EN 411 : 1995

Cooperating organizations
National foreword
Foreword
1. Scope
2. Normative references
3. Definitions
3.1 Waste outlets
3.2 Overflow
3.3 Trap
4. Design
5. Materials and manufacture
5.1 Recommended materials
5.2 Quality of visible surfaces
5.3 Control of coating quality
5.4 Testing of waste outlets and traps made of
          plastics materials
5.4.1 Testing of the quality of plastics mouldings
          (PVC-U, ABS, PP or PE)
5.4.1.1 Test apparatus
5.4.1.2 Procedure
5.4.1.3 Requirements
5.4.2 Behaviour with regard to thermal shock
5.4.2.1 Procedure
5.4.2.2 Requirements
5.5 Testing the internal stresses for formed brass
          components
5.5.1 Procedure
5.5.2 Requirements
6. Functional requirements
6.1 Dimensions
6.2 Hydraulic requirements
6.2.1 Test method for flow rates
6.2.1.1 Principle
6.2.1.2 Test apparatus
6.2.1.3 Procedure
6.2.1.3.1 Flow rate of waste outlet only
6.2.1.3.2 Flow rate of waste outlet with trap
6.2.1.3.3 Flow rate of overflow
6.2.1.3.4 Flow rate of trap alone
6.2.2 Leakage of a closed waste outlet
6.2.3 Requirements
6.2.3.1 Flow rates
6.2.3.2 Leakage at closed waste outlet
6.3 Leaktightness test for traps
7. Designation
8. Marking
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Specifies the dimensional characteristics, materials, along with performance and test methods for waste outlets and traps for sinks connected to gravity drainage systems.