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POOL PAL BLAST MACHINE
Page 4
© 2008 CLEMCO INDUSTRIES CORP.
•
www.clemcoindustries.com
•
Manual No. 24813
Compressed Air and Abrasives Consumption
Consumption rates are based on abrasives that weigh 100 pounds per cubic foot
Nozzle
Pressure At The Nozzle (psi)
Air, Power
Orifice
and Abrasive
Size
(in.)
50 60 70 80 90
100
125
Requirements
11 13 15 17 19 20 25
Air
(cfm)
No.
2 67 77 88 101 112 123 152 Abrasive
lbs/hr)
1/8" 2.5 3 3.5 4 4.5 5 5.5 Compressor
(hp)
26 30 33 38 41 45 55
Air
(cfm)
No.
3 150 171 196 216 238 264 319 Abrasive
(lbs/hr)
3/16" 6 7 8 9
10
10
12
Compressor
(hp)
47 54 61 68 74 81 98
Air
(cfm)
No.
4 268 312 354 408 448 494 608 Abrasive
(lbs/hr)
1/4" 11 12 14 16 17 18 22
Compressor
(hp)
•
Air requirements were measured by a flow meter under actual blasting conditions, and are therefore lower than figures for
air alone, with no abrasive.
•
Horsepower requirements are based on 4.5 cfm per horsepower.
•
Figures are for reference only, and may vary for different working conditions. Several variables, including metering valve
adjustments, can affect abrasive flow.
•
Figures show approximate compressed air and abrasive consumption when nozzles are new. Consumption will increase as
the nozzle wears.
Figure 3
2.0 INITIAL
SET-UP
2.1
Blast Hose, Control Handle and Control Line
2.1.1
Urethane lead tubing:
The urethane lead
tubing is factory installed; this section explains the
process for reference. Skip to Section 2.1.2 if not
replacing lead tubing.
2.1.1.1
Use 4-feet of lead tubing. If necessary cut 4 ft
from the 21-foot length (or bulk length) of urethane
twinline tubing.
2.1.1.2
Separate (split) about 6-inches from one end of
the 4-foot tubing. Measure the distance between the
connector elbows (approximately 4-1/4") and shorten
one side of the tubing accordingly. Refer to Figure 4.
2.1.1.3
Following the instructions in Figure 5, insert the
short side of the tubing into the lower elbow on the inlet
valve as shown in Figure 4. Tug on the tubing to make
sure it is secure. This line becomes the "outbound"
control line.
2.1.1.4
Insert the longer side of the tubing into upper
elbow. This line becomes the "return" control line.
Some items are rotated for clarity
Figure
4
2.1.1.4
Band the tubing to the vertical, pusher-line
piping along the side of the machine and to the nipple
between the blast hose coupling at the bottom of the
machine, and tee below the metering valve.
Cut outbound line
approximately 4-1/4
"
shorter than return
line.
Approx.
4-3/4"
Return Line
Outbound Line
Inlet Valve
Assembly
Elbow Fitting