NS EN 512 : 94 AMD 1 2001

Foreword
1. Scope
2. Normative references
3. Definitions
3.1 nominal diameter (DN)
3.2 nominal pressure (PN)
3.3 test pressure in factory (PT)
3.4 bursting pressure (PB)
3.5 acceptance test
3.6 type test
3.7 acceptable quality level (AQL)
4. Pipes
4.1 Composition
4.2 Classification
4.3 General appearance and finish
4.4 Smoothness of internal surface
4.5 Characteristics
4.6 Test methods
4.7 Marking
5. Joints
5.1 Material
5.2 Geometrical characteristics
5.3 Special joints
5.4 Physical characteristics - Watertightness
5.5 Watertightness test
5.6 Marking
6. Special applications
7. Quality control
7.1 Factory quality control
7.2 Third party certification
7.3 Inspection of a consignment of finished products
Annexes
A. (normative) Receiving inspection for products which
     are not subject to third party certification
B. (informative) Working on-site
C. (informative) A-deviations

Specifies the characteristics of fibre-cement pipes and joints for use under pressure for conveying potable and non potable water and sewage.