3000P-4500 USER MANUAL SECTION 4
56
PIPE SIZING
Pipe should be sized at least as large as the
discharge connection of the compressor. Piping and
fittings should all be suitably rated for the discharge
pressure.
USE OF AUXILIARY RECEIVER TANK
An auxiliary receiver tank should be used in cases
where large demand swings are expected. Isolation
Valve(s) If isolation of the compressor from the
service lines is required, isolation valves should be
installed close to the discharge of the compressor.
They should be installed with drip legs that drain
sloping downward from the base in order to drain
properly. Install a vent to the piping downstream of
the compressor outlet connection.
When two compressors are operated in parallel,
provide an isolation valve and a drain trap for each
compressor before the common receiver.
A built-in aftercooler reduces the discharge air
temperature below the dew point. For most ambient
conditions, considerable water vapor is condensed.
To remove the condensation, each compressor with
built-in aftercooler is supplied with a combination
condensate separator/trap. A drain line should be
installed on the condensate drain.
FLUID CONTAINMENT
Compressors are equipped with a fluid containment
pan to catch any fluid in the event of a leak or spill.
The drain for the pan is located on the air intake end
of the machine. For indoor installations, the drain
should be plugged to contain fluids. For outdoor
applications, the drain must be connected to a
separate, customer supplied system to allow
rainwater or any accumulated compressor fluid to
drain out.
NOTE
Discharged air contains a very small
amount of compressor lubricating oil, and
care should be taken to ensure that this
oil would not interfere with downstream
equipment. Downstream filters and an air
dryer can remove any carryover.
NOTE
For low-volume systems that do not
require an auxiliary separator/sump, com-
pressor response time may need to be
adjusted. Consult the Sullair Service
Department for assistance.
CAUTION
The use of plastic bowls on line filters and
other plastic airline components without
metal guards can be hazardous. Synthetic
coolants or the additives used in mineral
oils can alter their structural integrity and
create hazardous conditions. Metal bowls
should be used on any pressurized system
for safety concerns.
"The Plastic Pipe Institute recommends
against the use of thermoplastic pipe to
transport compressed air or other com-
pressed gases in exposed above ground
locations, e.g. in exposed plant piping." (I)
Sullube should not be used with PVC piping
systems. It may affect the bond at
cemented joints. Certain other plastic mate-
rials may also be affected.
(I) Plastic Pipe Institute, Recommendation
B, Adopted January 19, 1972.
To Next Page
Loading...
