MIL-STD-1622B(SH)
PARAGRAPHPAG 4.2.5 |
CONTENTS E NAVSEA approved halogenated solvents ....................... |
11 |
4.3 |
Other cleaners ............................................. |
14 |
4.3.1 |
Other cleaners for general applications .................... |
14 |
4.3.2 |
Other final cleaners for critical applications ............. |
14 |
4.4 |
Other cleaner selection criteria ........................... |
14 |
4.4.1 |
Cleaning performance ....................................... |
14 |
4.4.2 |
Health and safety .......................................... |
14 |
4.4.3 |
Material compatibility ..................................... |
15 |
4.4.4 |
Disposal ................................................... |
15 |
4.4.5 |
Process application ........................................ |
15 |
4.4.6 |
Cleaner quality ............................................ |
16 |
4.5 |
Gases ...................................................... |
16 |
4.5.1 |
Safety precautions ......................................... |
16 |
4.5.2 |
Air ........................................................ |
16 |
4.5.3 |
Nitrogen ................................................... |
16 |
4.6 |
Cleaning silver-brazed piping .............................. |
16 |
4.7 |
Lubricants ................................................. |
16 |
5. |
DETAILED REQUIREMENTS ........................................ |
16 |
5.1 |
Facility requirements ...................................... |
16 |
5.2 |
Component cleaning process for general applications ........ |
16 |
5.2.1 |
Applicability .............................................. |
16 |
5.2.2 |
Material and equipment ..................................... |
17 |
5.2.3 |
Clean and rinse ............................................ |
17 |
5.2.4 |
Dry, reassemble and package ................................ |
17 |
5.3 |
Component cleaning process for critical applications ....... |
17 |
5.3.1 |
Applicability .............................................. |
17 |
5.3.2 |
Objective .................................................. |
18 |
5.3.3 |
Material and equipment ..................................... |
18 |
5.3.4 |
Preclean and rinse ......................................... |
18 |
5.3.5 |
Final clean, verification and rinse ........................ |
19 |
5.3.6 |
Dry, reassemble and package ................................ |
19 |
5.4 |
Flask cleaning ............................................. |
20 |
5.4.1 |
Applicability .............................................. |
20 |
5.4.2 |
Material and equipment ..................................... |
20 |
5.4.3 |
Clean, verification, and rinse ............................. |
21 |
5.4.4 |
Drying ..................................................... |
22 |
5.4.5 |
Final inspection and end fitting installation .............. |
22 |
5.5 |
Instruments and gages ...................................... |
22 |
5.6 |
System aqueous cleaning process ............................ |
22 |
5.6.1 |
Applicability .............................................. |
22 |
5.6.2 |
Material and equipment ..................................... |
23 |
5.6.3 |
System preparation ......................................... |
23 |
5.6.4 |
Leak-check ................................................. |
24 |
5.6.5 |
Preflush ................................................... |
24 |
5.6.6 |
Hydrostatic test ........................................... |
25 |
5.6.7 |
Final flush/pipe line cleaning ............................. |
25 |
5.6.8 |
Rinsing and particulate flushing ........................... |
27 |
5.6.9 |
Drying and reinstalling components ......................... |
27 |
5.7 |
System solvent cleaning processes .......................... |
29 |
5.7.1 |
Applicability .............................................. |
29 |
5.7.2 |
Nitrogen plants ............................................ |
29 |
5.7.3 |
Cryogenic nitrogen or oxygen-nitrogen plant piping ......... |
29 |
5.8 |
System blowdown ............................................ |
31 |
iv
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