systems mounted on a common base frame, and, if required, completely
enclosed for noise control.
2.3.1
Manufacturer's Certifications
The manufacturer shall certify that the air compressors proposed are of the
same design, construction, size, and of equal or not more than 10 percent
smaller in capacity as compressors which have been in satisfactory
continuous service for at least 2 years at not less than two locations.
Furnish the name of the owner, the address of the installation, and the
name of a person at the installation who can be contacted for verification.
The manufacturer shall also certify that the factory is equipped to perform
2.3.2
Guaranteed Performance
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to complete the specification.
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a.
considered internal and not included in the net output) (plus or
minus 2 percent): [_____] standard liter per second (L/s) SCFM
b.
Output pressure immediately downstream of aftercooler (minus zero
plus 4 percent): 862 kPa (gage) 125 psig
c.
Output air maximum temperature downstream of aftercooler:
38
degrees C 100 degrees F
d.
Inlet air pressure at first stage:
[_____] kPa (absolute) psia
e.
Inlet air temperature at first stage:
[_____] degrees C F
f.
Inlet air filtration efficiency:
99.9 percent of 0.5 micron size
g.
Barometric pressure:
[_____] kPa (absolute) psia
h.
[_____] percent
i.
Cooling water inlet temperature:
[_____] degrees C F
j.
Total cooling water flow rate:
[_____] L/s gpm
k.
Maximum cooling water pressure drop through the compressor and any
intercooler, aftercooler, or oil cooler: [_____] [55 kPa] [8 psi]
l.
(Plus or minus 4 percent):
[_____] kW hp
m.
Unloaded compressor horsepower (max.): [_____] kW hp
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NOTE: Provide sound attenuating enclosure or make
other provisions to comply with OPNAV 5100.23,
Chapter 18, paragraph 18202, "Preventive Measures,"
which contains noise abatement requirements for new
machinery and equipment. If manufacturers do not
SECTION 15214N
Page 13