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INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET - BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
© 2013 CCN 81660326
www.ingersollrandproducts.com
OPERATOR’S MANUAL 6661AX-X-C
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
RELEASED: 9-11-89
REVISED: 9-19-13
(REV. W)
1” DIAPHRAGM PUMP
1:1 RATIO (NON-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 material options.
637118-C for Air Section repair (see page 6).
637161-XX-C for Fluid Section repair (see page 4)
.
PUMP DATA
Models . . . . . . . see Model Description Chart for “-XXX”.
Pump Type . . . . Non-Metallic, Air Operated, Double Diaphragm
Material . . . . . . see Model Description Chart
Weight 6661A3-, 1AF-, 1AJ-, 1AL-. . . . 20.25 lbs (9.19 kgs)
6661AP-, 1AR-, 1AS-, 1AT-. . . .20.25 lbs (9.19 kgs)
6661A4-, 1AG-, 1AK-, 1AN-. . . 28.5 lbs (12.93 kgs)
6661B3-, 1BF-, 1BJ-, 1BL-. . . . . 28.8 lbs (13.06 kgs
6661BP-, 1BR-, 1BS-, 1BT-. . . . .28.8 lbs (13.06 kgs)
6661B4-, 1BG-, 1BK-, 1BN-. . . . 37 lbs (16.78 kgs)
Maximum Air Inlet Pressure. . . . . . . . . . . 120 p.s.i. (8.3 bar)
Maximum Material Inlet Pressure. . . . . . 10 p.s.i. (0.69 bar)
Maximum Outlet Pressure. . . . . . . . . . . . . 120 p.s.i. (8.3 bar)
Maximum Flow Rate (ooded inlet). . 47 g.p.m. (177.9 l.p.m.)
Displacement / Cycle @ 100p.s.i
Standard Diaphragm. . . . . . . . . . . . . . . . . 0.17 gal (.64 lit)
PTFE Composite Diaphragm. . . . . . . . . . 0.14 gal (.525 lit)
Maximum Particle Size (semi-solids) . . . .
1/8” dia. (3.2 mm)
Maximum Temperature Limits
Polypropylene
. . . . . . .
35° to 175° F (2° to 79° C)
PVDF (Kynar). . . . . . . 10° to 200° F (-12° to 93° C)
Dimensional Data. . . . . . . . . . . see page 8
Noise Level @ 70 p.s.i. - 60 c.p.m
. . . . . 64.5 db (A)
Tested with 93110 muer installed.
The pump sound pressure levels published here have been updated to an Equivalent Con-
tinuous Sound Level (L
Aeq
) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1 using
four microphone locations.
NOTICE: All possible options are shown in the chart, however, certain combina-
tions may not be recommended, consult a representative or the factory if you
have questions concerning availability.
MODEL DESCRIPTION CHART
GENERAL DESCRIPTION
The ARO Diaphragm Pump oers high volume delivery even at low air
pressures and a broad range of material compatibility options available.
Refer to the model and option chart. ARO pumps feature stall resis-
tant design, modular air motor / uid sections.
Air operated double diaphragm pumps utilize a pressure dierential in
the air chambers to alternately create suction and positive uid pres-
sure in the uid chambers, ball checks insure a positive ow of uid.
Pump cycling will begin as air pressure is applied and it will con-
tinue to pump and keep up with the demand.
It will build and maintain line pressure and will stop cycling once
maximum line pressure is reached (dispensing device closed) and
will resume pumping as needed.
6661 X X - X X X - C
637161 - C
DIAPHRAGMBALL
FLUID SECTION SERVICE KIT SELECTION
EXAMPLE: MODEL # 6661A3-311-C
FLUID SECTION SERVICE KIT # 637161-11-C
SEAT MATERIAL
2 - 316 Stainless Steel 4 - PVDF (Kynar)
3 - Polypropylene 8 - Hard 440 Stainless Steel
DIAPHRAGM MATERIAL
1- Neoprene 3 - Viton 6 - Composite PTFE 9 - Hytrel®
2- Nitrile 5 - E.P.R. B -Santoprene
4 - PTFE / Santoprene M - Medical Grade Santoprene
CENTER BODY MATERIAL
A - Aluminum B - Cast Iron
FLUIDCAP/MANIFOLD MATERIAL
3 - Colorless Polypropylene ange (3-piece manifold)
4 - PVDF (KynarR) ange (3-piece manifold)
F - Colorless Polypropylene ange (one piece manifold)
G -PVDF (Kynar) ange (one piece manifold)
J - Colorless Polypropylene, N.P.T.(one piece manifold)
K - PVDF (Kynar), N.P.T. (one piece manifold)
L - Colorless Polypropylene, B.S.P. (one piece manifold)
N - PVDF (Kynar), B.S.P. (one piece manifold)
P - Gray Polypropylene ange (3-piece manifold)
R - Gray Polypropylene ange (one piece manifold)
S - Gray Polypropylene, N.P.T. (one piece manifold)
T -Gray Polypropylene, B.S.P. (one piece manifold)
BALL MATERIAL
1 - Neoprane 8 - Polyurethane
2 - Nitrile A - 316 Stainless Steel
3 - Viton E - Santoprene
4 - PTFEM M - Medical Grade Santoprene
5 - E.P.R.
R R
6661XX - X X X - C
X X
6661X3-XXX-C
6661X4-XXX-C
6661XP-XXX-C
6661XF-XXX-C
6661XG-XXX-C
6661XR-XXX-C
6661XJ-XXX-C
6661XK-XXX-C
6661XL-XXX-C
6661XN-XXX-C
6661XS-XXX-C
6661XT-XXX-C
Figure 1