MIL-DTL-45334E
3.4.1.5 Pressure buildup time. The pressure buildup time from 0 to 100 psig (690 kPa)
shall not exceed that specified in table III (see 4.5.3.5).
TABLE III. Pressure buildup time.
Time, seconds per 1000 in3
Speed
rpm
Type I and III Type II and IV Type V
Type VI and VII
Type VIII
600
105
67
36
129
87
1200
55
33
17
50
36
1800
40
24
13
44
24
2400
35
21
11
26
20
3.4.2 Governor performance.
3.4.2.1 Pressure settings. Pressure settings and tolerances shall be as specified on figure 4
or on the applicable drawing (see 4.5.4.1).
3.4.2.2 Life. The governor shall withstand 100 000 cycles of cut-in and cut-out operation
(see 4.5.4.2).
3.4.3 Air cleaner performance.
3.4.3.1 Air flow restrictions. The static pressure drop across the air cleaner shall not
exceed 12 inches (in.) (30.48 centimeters (cm)) of water at rated air flow of applicable
compressor (see 4.5.5.2).
3.4.3.2 Efficiency. The efficiency of the air cleaner shall not be less than 95 percent
(see 4.5.5.3).
3.4.3.3 Dust capacity. The air cleaner shall have a minimum dust capacity of 15 grams
(g) of coarse dust, without exceeding a restriction of 20 in. (50.8 cm) of water (see 4.5.5.4).
3.4.4 Environmental requirements. For fungus resistance, corrosion resistance, vibration,
and shock testing, accessories may be installed on the compressor and tested as a single unit
(see 4.5.6).
3.4.4.1 Fungus resistance. Compressor, governor, and air cleaner shall exhibit no
deterioration after undergoing procedure specified in 4.5.6.1.
3.4.4.2 Corrosion resistance. Compressor, governor, and air cleaner shall exhibit no
corrosion after undergoing procedure specified in 4.5.6.2.
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