Piping - Craftsman 919.167800 Owner's Manual

Piping
Plastic or PVC pipe is not designed for use
with compressed air. Regardless of its
indicated pressure rating, plastic pipe can
burst from air pressure. Use only metal
pipe for air distribution lines.
Note
Where a remote air intake is used, enlarge the
size of the air intake piping by one pipe size
for each 10 feet of length.
A typical compressed air distribution system as
shown on the following page should be of sufficient
pipe size to keep the pressure drop between the
supply and point of use to a minimum. All pipes and
fittings used must be certified safe for the pressures
involved. Pipe thread lubricant must be used on all
threads, and all joints are to be made up tight, since
small leaks in the piping system are the largest single
cause of high operating costs.
All piping should be sloped to an accessible drain
point and all outlets should be taken from the top of
DIRT LEG
\
the main
enter the
air line so that moisture cannot
The
than the corn
smaller line
100 feet long,
SCFM, use 3/_
It is recommer
between the a
distribution lin_
To remove dirt,
main distribLtti(
compressor to
ture before pa_
separators or ft
application.
air line should not be smaller
air discharge valve outlet. A
restrict the flow of air. If piping is over
:_rif required air flow will exceed 15
!i piping.
_led that a flexible coupling be installed
•discharge valve outlet and main air
to allow for vibration.
)il and water, install a separator in the
line. Install separator 5 to 6 feet from
IIIcw the air to cool to room tempera-
iing through the separator. Additional
ters may be used depending on the
Note
For underg_und installation, bury air lines
below the f_st fine and avoid pockets where
condensat|_n can gather and freeze. Apply
pressure b_]tore underground lines are cov-
ered to mal_e sure all pipe joints are free from
leaks.
FEEDER LINES
SLOPE WITH
AIR FLOW
AIR
FLOW
_:_ AIR_LOW
[K ii
MAIN DISTRIBUTION AIR I I
AIR LINES USAGE
SlOpe pipe in direction of LEGS I]
air flaw. Watlr ¢¢md_ u
flaws _ bottom of Imipetal REGULATOR,
drlin legs,lxeventing it from ___ _A_N
mntmrlng fi_llr Iinm.
DRAIN
TRAP
DRAIN
TRAPS
DIRT LEG
AIR COMPRESSOR
MOISTURE SEPARATOR
AND TRAP
/
U
FLEXIBLE
COUPLING
AI R DISCHARGE
VALVE
DRAINCOCK
VALVE
D20437 Rev. 0 2/15/00
Typl©ld Camprolmed Air Distribution System
10-ENG