DEFSTAN 68-278/1(2007) : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CLEANING PROCEDURES AND STANDARDS FOR DIVING AND MARINE OXYGEN SYSTEM COMPONENTS
Hardcopy , PDF
09-09-2016
English
01-01-2007
Foreword
1 Scope
2 Warning
3 Normative References
4 Cleaning Processes
4.1 Oxygen clean
4.2 Cleaning requirements
5 Cleanliness Limits
6 Verification of Cleanliness
7 Quality Control Procedures for Batches of Components
7.2 Statistical Selection of samples
7.3 Statistical Control Acceptance limits
8 Packaging And Labelling
8.1 Introduction
8.2 Cleanliness of packaging materials
8.3 Packaging processes
8.4 Use of desiccants
8.5 Outer containers
8.6 Labelling
8.7 Unwrapping for use
9 Solvents and Cleaning Agents
10 Cleaning Agent Compatibility
10.1 General
10.2 Aluminium
10.3 Rubber
10.4 Plastic
Annex A Examples Of Cleaning Procedures
A.1 General
A.1.1 General guidelines
A.2 Choice of Cleaning Method
A.3 Cleaning Methods
A.3.1 General
A.3.2 Mechanical cleaning
A.3.2.1 General
A.3.2.2 Brushing and grinding
A.3.2.3 Tumbling
A.3.2.4 Pad application, spraying and immersion
A.3.2.5 Vacuum and air blast cleaning
A.3.2.6 Pig cleaning
A.3.2.7 Ultrasonic cleaning
A.3.3 Chemical cleaning
A.3.3.1 General
A.3.3.2 Hot water cleaning
A.3.3.3 Detergent cleaning
A.3.3.4 Steam cleaning
A.3.3.5 Caustic solution cleaning
A.3.3.6 Acid cleaning
A.3.3.7 Emulsion cleaning
A.3.3.8 Solvent cleaning
A.3.3.9 Vapour phase degreasing
A.3.3.10 Flushing
A.3.3.11 Low-pressure plasma
A.4 Environment and Assembly
Annex B Verification of Cleaning Procedures
B.1 General
B.2 Direct Visual Inspection Using White Light
B.3 Direct Visual Inspection Using Ultraviolet or
Black Light
B.4 Inspection by Wiping Or Pigs
B.5 Water Break Test
B.6 Solvent Extraction Test
B.7 Gaseous Entrainment/Gas Extraction Test
B.8 Analysis by Instruments
B.9 Light Scattering
B.10 Light Attenuation
B.11 Infra Red Absorption Spectroscopy
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