INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
© 2021
CCN 15227689
arozone.com
OPERATOR’S MANUAL
PM20X-X-X-BXX
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
RELEASED: 2-8-05
REVISED: 7-23-21
(REV: L)
2” DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
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) . . . . .
170 gpm (644 lpm)
Displacement / Cycle @ 100 psig
. . . . 1.4 gal. (5.3 lit.)
Maximum Particle Size
. . . . . . . . . . . . . 1/4” dia. (6.4 mm)
Maximum Temperature Limits
(diaphragm / ball / seat materials)
E.P.R . . . . . . . . . . . . . . . . . . . . . . -60
to 280
F (-51
to 138
C)
Santoprene
. . . . . . . . . . . . . -40
to 225
F (-40
to 107
C)
PTFE. . . . . . . . . . . . . . . . . . . . . . 40
to 225
F (4
to 107
C)
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
. . . . . . 85.0 dB(A)
Tested with 67263 muffler assembly installed.
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LA
eq
) to meet the intent of ANSI
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
Figure 1
