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BS EN 15664-1:2008+A1:2013:2014 Edition

BS EN 15664-1:2008+A1:2013:2014 Edition

$167.15

Influence of metallic materials on water intended for human consumption. Dynamic rig test for assessment of metal release – Design and operation

Published By Publication Date Number of Pages
BSI 2014 34
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This European Standard specifies a procedure to determine the release of metals from metallic materials used in construction products intended to come into contact with drinking water 1).

The test can be used for three purposes:

  1. assess a material as a reference material for a category of materials using the results of several investigations in different waters covering a broad range of water compositions;
  2. assess a material for approval by way of comparative testing;
  3. obtain data on the interaction of local water with a material.

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
8 1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Principle
5 Test rig
5.1 General
5.2 Test rig arrangement
12 5.3 Control line
5.4 Test lines
5.4.1 General
5.4.2 Materials in the form of pipes
5.4.3 Materials in the form of test pieces
5.5 Reference lines for comparative testing
6 Operating conditions
6.1 General
13 6.2 Conditioning
6.3 Fractional Sampling
6.3.1 General
6.3.2 Calculation and expression of results for fractional sampling
14 Figure 1 — Example of an acceptable fractional sampling curve
15 Figure 2 — Example of L(j)/LT (%) vs. V(j) plot for determination of sampling volumes
6.3.3 Requirements for the hydraulic function of the test rig
6.3.4 Determination of sampling volumes
16 6.4 Normal operation of the test rig
7 Test water
7.1 Composition
7.2 Check of test water
Table 1 — Limits on metal concentrations in the test water
17 8 Sampling
8.1 General
8.2 Test water sampling
8.3 Sampling to determine metal release
18 8.4 Sampling volumes
8.4.1 General
8.4.2 Test lines with test pieces
8.4.3 Test pipes
9 Analysis
10 Expression of results
10.1 Metal concentrations after fixed stagnation time
10.2 Equivalent pipe concentration
19 10.3 Mean concentration after a given operating time
10.4 Presentation of the test results
11 Test report
21 Annex A (normative) Test rig components and assembly
A.1 Test rig
Figure A.1 — Schematic of a test rig
22 Figure A.2 — Schematic of a test line with test pieces for fittings materials and the definition of the “representative water sample”
Figure A.3 — Schematic of a test or control line with test pipe or control pipe and definition of the “representative water sample”
A.2 Test piece
23 Figure A.4 — Test piece with machined inner surface
A.3 Connecting piece
24 Figure A.5 — Connecting piece
25 Annex B (normative) Test rig flow regime
B.1 Test rig flow regime and sampling plan (24 h cycle)
Table B.1 — Test rig flow regime and sampling plan (24 h cycle)
26 B.2 Test rig flow regime and sampling plan for 16 h stagnation time
Table B.2 — Test rig flow regime and sampling plan for a 16 h stagnation time
27 Annex C (normative) Test water monitoring and analysis — Data on test water composition
Table C.1 — Required inspection frequency of parameters in the test water
29 Annex D (informative) Example of graphs for expression of results
Figure D.1 — Example of a stagnation curve
30 Figure D.2 — Example of a run-time curve for the 4h stagnation periods
31 Figure D.3 — Example of a run-time curve of the average MEP(T)
32 Bibliography

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