A-A-59000A
3.7.1 Operational cycling tests. The strainer shall be tested for a total of
600 cycles at design pressure. At the completion of the 600 cycles,
compliance with the required operating force of 50 pound (lbs) or less and
zero leakage shall be demonstrated. Upon satisfactory completion of this test
the unit shall be refurbished to new condition before being offered for
delivery.
TABLE III.
Functional performance.
Screens
Flow rate
Temperature
Size
number
(gpm)
degrees F
2
1
100
150
2-1/2
1
100
150
3
1
160
150
2-1/2
2
165
150
3
2
250
150
4
2
390
150
6
2
900
150
8
2
1500
150
10
2
2150
150
12
2
2750
150
14
4
4250
150
16
4
5500
150
20
6
8250
150
NOTE:
1. Screen perforation 1/32-inch.
Maximum envelope dimensions (inches) shall be in
3.8 Envelope dimensions.
accordance with table IV.
3.9 Workmanship. The strainer body and covers shall be of uniform quality
and condition, free from blow holes, porosity, hard spots, shrinkage defects,
cracks, and other defects. All surfaces shall be smooth and well cleaned.
The inside surfaces of strainers shall be well cleaned and free from sharp
edges.
4
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