Table III - Sampling for tests

Page Title: Table III - Sampling for tests
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MIL-C-16645A(SHIPS)

4.2 Sampling.- Completely assembled compressors, including driving motors, controllers, and.

a ll equipment or fittings shall be selected by the Government inspector in accordance with table III,

Table III - Sampling for tests.

4.3.1 The various parts of each compressor shall be hydrostatically tested at the place of manu-

facture in accordance with the following:

(a) Cylinders, 1-1/2 times the maximum designed working pressure.

(b) Water jackets, 225 p.s. i. g.

1-1/2 times the maximum design working pressure on the air side,

(d) Piping and other parts not mentioned above and subjected to pressure

shall be tested to 1 -1/2 times the maximum designed working pressure.

4.3.2 Each unit selected in accordance with 4.2 shall be subjected to the tests specified in 4

4.2.3 Each compressor not selected in accordance with 4.2 shall be subjected to the tests speci-

fied in 4.4.3

4. 3.4 Test method.- Capacity tests of compressors shall be in accordance with the test proce-

dures outlined in the second edition of the Compressed Air Handbook published by the Compressed Air

and Gas Institute.

4.4 Test procedures.-

4.4.1 Electrical.- Motors and controllers shall be tested as required by the applicable speci-

fications listed in section 2.

4.4.2 Performance tests. - Compressor units selected in accordance with 4.2 shall be submitted

to a continuous running test of 8 hours' duration at normal capacity and pressure. Test shall run under

normal electrical conditions specified in the contract or order, Power consumption tests shall be con-

ducted as a part of the tests. On these tests the following data shall be recorded at the start and finish

of the run and at regular intervals, not exceeding 1/2 hour, throughout the run:

4.4.2.1 Recorded data. -

MECHANICAL

(a)

Dry bulb ambient temperature.

(b)

Wet bulb ambient temperature.

Intake temperature (in air stream close to intake).

(c)

Barometer readings.

(d)

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