UNI EN ISO 16784-2 : 2008
Current
The latest, up-to-date edition.
CORROSION OF METALS AND ALLOYS - CORROSION AND FOULING IN INDUSTRIAL COOLING WATER SYSTEMS - PART 2: EVALUATION OF THE PERFORMANCE OF COOLING WATER TREATMENT PROGRAMMES USING A PILOT-SCALE TEST RIG
23-10-2008
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
5.1 Water characteristics
5.2 Preparation of synthetic test waters using
mother solutions
6 Apparatus
6.1 Temperature measurement
6.2 Circulation-rate monitor
6.3 Make-up, evaporation and blow-down measurement
6.4 Cooling tower
7 Test method
7.1 Procedure
7.1.1 Cleaning of the test assembly
7.1.2 Test tube preparation and pre-treatment
7.1.3 System water content
7.1.4 Procedure to fill the cooling water system
7.1.5 Heating the test tubes
7.1.6 Flow rate
7.1.7 Blow-down and half-life
7.1.8 Biocide treatment
7.1.9 Make-up water for cooling-tower use
7.2 Determination of analytical and control parameters
7.3 Test data reporting
7.4 Test termination
8 Assessment of results
8.1 Recording of cooling water quality
8.2 Treatment of the test tubes
8.3 Assessment of results on deposition and fouling
8.4 Assessment of results on corrosion
9 Test report
Annex A (informative) - Test data sheet on the
performance of cooling water treatment
programmes
Annex B (informative) - Further information on
some methods of measurement and test
Bibliography
Applicable to corrosion and fouling in industrial cooling water systems.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| ISO 16784-2:2006 | Identical |
| EN ISO 16784-2:2008 | Identical |
| ISO 8501-1:2007 | Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings |
| ISO 11124-3:1993 | Preparation of steel substrates before application of paints and related products Specifications for metallic blast-cleaning abrasives Part 3: High-carbon cast-steel shot and grit |
| ASTM G 46 : 1994 : R2018 | Standard Guide for Examination and Evaluation of Pitting Corrosion |
| ISO 11463:1995 | Corrosion of metals and alloys Evaluation of pitting corrosion |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 8407:2009 | Corrosion of metals and alloys Removal of corrosion products from corrosion test specimens |
| NACE RP 03 00 : 2003 | PILOT-SCALE EVALUATION OF CORROSION AND FOULING CONTROL ADDITIVES FOR OPEN RECIRCULATING COOLING WATER SYSTEMS |
| ISO 16784-1:2006 | Corrosion of metals and alloys — Corrosion and fouling in industrial cooling water systems — Part 1: Guidelines for conducting pilot-scale evaluation of corrosion and fouling control additives for open recirculating cooling water systems |
| DIN 2391-2:1994-09 | SEAMLESS PRECISION STEEL TUBES - PART 2: TECHNICAL DELIVERY CONDITIONS |
| DIN 2391-1:1994-09 | SEAMLESS PRECISION STEEL TUBES - PART 1: DIMENSIONS |
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