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 micrometer
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.
Maximum Compressor Power Required.
(Plus or minus 4 percent):
[_____] kW hp
m.
Unloaded Compressor Power and Compressor Interconnections:
[_____] kW hp
n.
Maximum sound levels one meter horizontal from compressor and 1.5
meters 5 feet above floor as measured per CAGI S5.1 Test Code for
the Measurement of Sound from Pneumatic Equipment: 84 dBA, 90 dB
for any octave band.
2.3.3
Additional Performance Requirements
2.3.3.1
Air Quality
Air at compressor intake will
be considered breathing air quality
conforming to CGA G-7.1, Type
I, Grade D or better. Air compressors shall
introduce no material, gases,
or particles, or chemically alter any
materials that will adversely
affect or reduce the quality of the air
passing through the unit.
2.3.3.2
Surge Output Pressure
API Std 672, paragraph 2.1.12.
2.3.3.3
Unloading
The compressor shall be designed to unload prior to surge limit. The surge
limit shall not occur at a capacity greater than 70 percent of the
guarantee point capacity. Unloaded compressor power shall not exceed 20
percent of full load power.
SECTION 15213N
Page 13
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