ARO PM20 Series Manual del usuario
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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
Refer to Model Description Chart to match the pump mate-
rial options.
637309-XXX for Fluid Section Repair with seats (see page 5).
637309-XX for Fluid Section Repair without seats
(see page 5).
NOTE: This kit also contains several air motor seals which will
need to be replaced.
637421 for Air Section Repair (see page 7).
637374-X Major Air Valve Assembly (see page 8).
PUMP DATA
Models . . . . . . . . . . . .see Model Description Chart for "-XXX"
Pump Type . . . . . . . .Metallic Air Operated Diaphragm Pump
Material . . . . . . . . . . .see Model Description Chart
Weight . . . PM20A-CSS-XXX-BXX . . . . . 142.8 lbs (64.8 kgs)
PM20S-CSS-XXX-BXX . . . . . 171.7 lbs (77.9 kgs)
Maximum Air Inlet Pressure . . . . . . . . 120 psig (8.3 bar)
Maximum Material Inlet Pressure. . . 10 psig (0.69 bar)
Maximum Outlet Pressure . . . . . . . . . . 120 psig (8.3 bar)
Maximum Flow Rate
(Flooded inlet) . . . . .
Displacement / Cycle @ 100 psig . . . . 1.4 gal. (5.3 lit.)
Maximum Particle Size . . . . . . . . . . . . . 1/4" dia. (6.4 mm)
Maximum Temperature Limits
E.P.R . . . . . . . . . . . . . . . . . . . . . . -60
Santoprene
. . . . . . . . . . . . . -40
PTFE. . . . . . . . . . . . . . . . . . . . . . 40
Dimensional Data . . . . . . . . . . . . . . . . . . . see page 9
Mounting Dimension . 9-1/16" x 10-1/16" (230 mm x 256 mm)
Noise Level @ 70 psig, 60 cpm
Tested with 67263 muffler assembly installed.
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LA
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
170 gpm (644 lpm)
(diaphragm / ball / seat materials)
to 280
F (-51
to 138
to 225
F (-40
to 107
to 225
F (4
to 107
. . . . . . 85.0 dB(A)
) to meet the intent of ANSI
eq
© 2021
CCN 15227689
C)
C)
C)
PM20X-X-X-BXX
RELEASED:
REVISED:
(REV: L)
Figure 1
2-8-05
7-23-21