Table of Contents

Foreword
1 Scope
2 Normative references
3 Symbols
4 Recommended pipe cleaning levels
   4.1 Pipe cleaning levels during/after prefabrication
   4.2 Surface treatment
   4.3 Storage of prefabricated pipes and fittings
5 Level of cleanliness
6 Assembly and installation of pipe system
7 Blow-through/pull-through of the system
8 Description of coupling
   8.1 Design phase
   8.2 Other considerations
9 Leakage test
10 Filling with oil
11 Shock testing/pressure testing
12 Flushing of yard-installed pipe system
   12.1 Connection
   12.2 Special pump units
   12.3 Flushing filters
   12.4 Flushing oil
   12.5 Flushing times
   12.6 Methods for checking the cleanliness level
   12.7 Leakage testing
13 Start-up of system
Annex A (informative) Example of particle counting
Bibliography

Abstract

Describes pipe cleaning and cleaning levels of hydraulic oil pipe systems.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 8
Supersedes	ISO/DIS 28521 : 60.00 (2009)