MIL-STD-1330-SUP-2 Precision Cleaning and Testing of Shipboard Oxygen, Helium, Helium-Oxygen, Nitrogen, and Hydrogen SystemsThis standard provides the requirements for precision cleaning and testing of oxygen or oxygen-enriched systems and components; oxygen generating plants including nitrogen, hydrogen, and demineralized water support systems and components; and helium, helium-oxygen, and hydrogen life support systems and components. Each activity will implement the applicable requirements of this document through a locally prepared and approved procedure. Activities subject to additional quality assurance requirements such as NAVSEA SS800-AG-MAN-010/P-9290 or NAVSEA SS521-AA-MAN-010 will obtain procedure approval from the applicable certifying activity.

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MIL-STD-1330D(SH)

20 September 1996

CONTENTS - Continued

PARAGRAPH                                                                         PAGE

4.3.3   Non-ionic detergent (NID)................................  11

4.4     Cleaning solvents........................................  12

4.4.1   NAVSEA approved halogenated solvents.....................  12

4.4.2   Isopropyl alcohol........................................  14

4.5     Other cleaners...........................................  14

4.5.1   Other pre-cleaners.......................................  14

4.5.2   Other final cleaners.....................................  15

4.6     Incompressible test fluids...............................  15

4.6.1   Safety precautions.......................................  15

4.6.2   Water....................................................  15

4.6.3   Cleaning solvent.........................................  15

4.7     Compressible test fluids.................................  15

4.7.1   Safety precautions.......................................  15

4.7.2   Helium...................................................  15

4.7.3   Nitrogen.................................................  15

4.7.4   Oxygen...................................................  16

4.8     Cleaning silver-brazed piping............................  16

4.9     Lubricants...............................................  16

5.     DETAILED REQUIREMENTS.....................................  16

5.1     Facility requirements....................................  16

5.1.1   Structure................................................  17

5.1.2   Maintenance..............................................  18

5.1.3   Temperature and humidity.................................  18

5.1.4   Air filtration...........................................  19

5.1.5   Ventilation and air pressure.............................  19

5.1.6   Personnel clothing.......................................  19

5.1.7   Tools and equipment......................................  20

5.2     Aqueous component cleaning process.......................  20

5.2.1   Applicability............................................  20

5.2.2   Objective................................................  20

5.2.3   Material and equipment...................................  20

5.2.4   Pre-clean and rinse......................................  20

5.2.5   Final clean, verification, and rinse.....................  21

5.2.6   Dry, reassemble, and package.............................  21

5.3     Flask cleaning and inspection............................  22

5.3.1   Applicability............................................  22

5.3.2   Material and equipment...................................  22

5.3.3   Clean, verification, and rinse...........................  22

5.3.4   Drying...................................................  23

5.3.5   In-service interior inspection...........................  23

5.4     Cleaning and calibration of instruments and gauges.......  24

5.5.1   Applicability............................................  24

5.5.2   Material and equipment...................................  24

5.5.3   System preparation.......................................  24

5.5.4   Electrolytic oxygen gas generators.......................  25

5.5.5   Leak-check...............................................  25

5.5.6   Preflush.................................................  25

5.5.7   Hydrostatic test.........................................  26

5.5.8   Final flush or pipe line cleaning........................  26

5.5.9   Rinsing and particulate flushing.........................  27

5.5.10  Drying and reinstalling components.......................  27

5.6     Potassium hydroxide (KOH) inspection.....................  28

5.6.1   Applicability............................................  28

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