lockout feature), vibration monitor subpanel, discharge air
pressure gage, control test switch and lights, reset button, green
unit running light, and control selector switch.
c.
Oil pressure gages shall be mounted separately from panel.
2.3.10
Accessories
Required accessories include:
2.3.10.1
Control Valves
Pneumatically controlled valves on suction inlet of compressor and on
blowoff bypass line. Mount suction inlet control valve on unit.
2.3.10.2
Air Intake Devices
**************************************************************************
NOTE: Change compressor air inlet description to
suit project if required.
**************************************************************************
Compressor air inlet shall be piped to the outside of the building and
consist of the following:
a.
Intake weather hood with rain hood and bird screen. Material
shall be galvanized steel or aluminum alloy, minimum 20 gage.
b.
Intake pipe, ASTM A 36/A 36M steel galvanized, 12 gage or Schedule
5 minimum, from intake weather hood to filter housing flange,
welded construction.
c.
Filter housing by filter manufacturer to include filter frames,
access door(s). Material for housing shall be 1.65 mm 0.065 inch
thickness, Class 5000 aluminum alloy. Unit shall be rigid and
free from distress with all seams sealed.
d.
Intake Pipe from Filter Enclosure to Compressor: Aluminum alloy
ASTM B 209M ASTM B 209, Alclad alloy 5052-H32 or equivalent,
minimum 10 gage, flanged, welded with 5XXX welding rod using TIG
method and including expansion bellows.
2.3.10.3
Compressor Air Outlet Connections
Compressor air outlet flexible connection of stainless steel bellows with
braided steel cover jacket, with stainless steel liner sleeve, 460 mm 18
inch nominal length bellows, flanged ends, Class 150. If air bypass
connects separately to the compressor from the outlet line, provide a
second flexible connection of stainless steel bellows with braided jacket
for the bypass.
2.3.11
Inlet Air Filters
Provide a three-stage filter system, complete with mounting racks
(horizontal flow), interstage seals, and replaceable filters. Filter unit
shall be provided complete including enclosure or housing, and frames.
Enclosure shall be Class 5000 aluminum alloy with inlet and outlet flanges.
Construction shall be welded or, where welding is not practical, close
riveted and caulked, weathertight, with access doors for filter replacement
SECTION 15213N
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