OPERATOR’S MANUAL
650125-M
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING.
INCLUDE MANUALS: S-632 GENERAL INFORMATION (PN 97999-624)
RELEASED: 3-27-20
(REV: A)
650125-M
TWO-BALL PUMP SERIES
CARBON STEEL
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.
2” AIR MOTOR
3:1 RATIO
0-450 PSI RANGE
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET - BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
© 2020
arozone.com
SERVICE KITS
y
Use only genuine ARO® replacement parts to assure compati-
ble pressure rating and longest service life.
y
637224 Pump Rebuild Kit.
Includes the necessary soft parts
for normal service of the entire pump.
SPECIFICATIONS
Model
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650125-M
Type
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Operated, Two-Ball,
Double Acting Oil Pump
Ratio
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3:1
Air Motor Diameter
. . . . . . . . . . . . . . . . 2’’ (5.08 cm)
Stroke
. . . . . . . . . . . . . . . . . . . . . . . . . . . 3” (7.62 cm)
Air Inlet
(female) . . . . . . . . . . . . . . . . . . . 1/4 - 18 NPTF
Material Inlet
(female) . . . . . . . . . . . . . . 3/4 - 14 NPT
Material Outlet
(female) . . . . . . . . . . . . 1/2 - 14 NPTF-1
Pump Construction
. . . . . . . . . . . . . . . . Carbon Steel
Weight
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 (4.99 Kgs)
PERFORMANCE
Air Inlet Pressure Range
. . . . . . . . . . . 0 - 150 psig (0 - 10.3 bar)
Fluid Pressure Range
. . . . . . . . . . . . . . . 0 - 450 psig (0 - 31.0 bar)
Maximum Rec'd Cycles / Minute
. . . 125
Displacement In
3
Per Cycle
. . . . . . . . . . 6.2
Volume / Cycle
. . . . . . . . . . . . . . . . . . . . . .
3.46 oz. (102.28 ml)
Cycles Per Gallon (Liter)
. . . . . . . . . . . .
37 (9.8)
Maximum Working Flow Rate
. . . . . .
6 gpm (23 lpm)
Maximum Flow Rate
. . . . . . . . . . . . . . .
9 gpm (34 lpm)
Noise Level @ 100 psi - 124 cpm
. . . 80.0 dB(A)
Accessories Available
. . . . . . . . . . . . . .
61113 Wall Mount Bracket
66073-1 Air Line Connection Kit
The pump sound pressure level has 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.
PUMP DATA
18.132”
(460.548)
6.960”
(176.784)
Material Inlet
(3/4-14 NPT)
Material Outlet
(1/2-14 NPT)
Air Inlet
(1/4-18 NPT)
Figure 1
NOTE:
Dimensions are shown in inches and (mm), supplied for reference only and are
typically rounded up to the nearest 1/16 inch.
IMPORTANT
This is one of four documents which support the pump. Re-
placement copies of these forms are available upon request.
650125-M Model Operator’s Manual (pn 97999-1892)
S-632 General Information - Air / Hydraulic Operated Industrial
Piston Pumps (pn 97999-624)
