Name: UNI EN ISO 16784-2 : 2008
Brand: UNI

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

Published date

10-23-2008

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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