Operator's manual [PDF] (8 pages)
- Updated: 28.03.2026
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OPERATOR’S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
RELEASED:
3-11-04
REVISED:
7-15-16
(REV. L)
1” 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.
PD10X-X-X
PE10X-X-X
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX (800) 892-6276
© 2016
CCN 15207657
arozone.com
SERVICE KITS
Refer to Model Description Chart to match the pump material
options.
637397 for air section repair (see page 6).
637401-XX for fluid section repair (see page 4). NOTE: This
kit also contains several air motor seals which will need to be
replaced.
637395-X major air valve assembly (see page 7).
PUMP DATA
Models . . . . . . see Model Description Chart for “-XXX”.
Pump Type . . . Non-Metallic Air Operated Double Diaphragm
Material . . . . . see Model Description Chart.
Weight . . . . . . . PX10R-XAX-XXX . . . . . . . 20.65 lbs (9.37 kgs)
PX10R-XCX-XXX . . . . . . . 35.2 lbs (16.0 kgs)
PX10R-XHX-XXX . . . . . . . 39.6 lbs (18.0 kgs)
PX10R-XSX-XXX . . . . . . . 38.2 lbs (17.3 kgs)
Add 4.65 lbs (2.11 kg) for Aluminum air motor section
Add 11.09 lbs (5.03 kg) for Stainless Steel air motor section
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) . . . 52.2 gpm (197.6 lpm)
Displacement / Cycle @ 100 psig. . . . 0.232 gal. (0.88 lit.)
Maximum Particle Size . . . . . . . . . . . . 1/8” dia. (3.3 mm)
Maximum Temperature Limits (diaphragm / ball / seal material)
E.P.R. / EPDM . . . . . . . . . . . . . . . . -60 to 280 F (-51 to 138 C)
Hytrel . . . . . . . . . . . . . . . . . . . . . -20 to 180 F (-29º to 82 C)
Nitrile . . . . . . . . . . . . . . . . . . . . . . 10 to 180 F (-12º to 82 C)
Polypropylene . . . . . . . . . . . . . . 35 to 175 F (2 to 79 C)
Santoprene . . . . . . . . . . . . . . . -40 to 225 F (-40 to 107 C)
PTFE . . . . . . . . . . . . . . . . . . . . . . . 40 to 225 F (4 to 107 C)
Viton . . . . . . . . . . . . . . . . . . . . . . -40 to 350 F (-40 to 177 C)
Dimensional Data . . . . . . . . . . . . . . . . see page 8
Mounting Dimension . . . . . 4” x 6.25” (101.6 mm x 158.8 mm)
Noise Level @ 70 psig, 60 cpm. . . . . . 80.6 dB(A)
The pump sound pressure levels published here have been updated to an Equivalent
Con tinu ous Sound Level (LAeq) 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 combinations may not be recommended, consult a
representative or the factory if you have questions concerning
availability.
MODEL DESCRIPTION CHART
P X 10 X - X
X X - X
X X
PX10X - XXX - X XX
637401 - X X
Diaphragm
Ball
FLUID SECTION SERVICE KIT SELECTION
EXAMPLE:Model # PD10A-ASP-AAA
Fluid Section Service Kit # 637401-AA
Seat Material
A - Santoprene
C - Hytrel
H - Hard 440 Stainless Steel
E - Carbon Steel
L - Hastelloy - C
F - Aluminum
Hardware Material
P - Plated Steel
S - Stainless Steel
Fluid Caps & Manifold Material
A - Aluminum
C - Cast Iron
S - Stainless Steel
Fluid Connection
A - 1 -- 11-1/2 NPTF - 1
B - 1 -- 11 BSP
Center Section Material
A - Aluminum
R - Polypropylene
S - Stainless Steel
Ball Material
A - Santoprene
C - Hytrel
T
- PTFE
G - Nitrile
V
- Viton
Electronic Interface
D - None
E - Available
M - Medical Grade Santoprene
Diaphragm Material
A - Santoprene
C - Hytrel
G - Nitrile
L - Long Life PTFE
T - PTFE / Santoprene
V - Viton
G - Nitrile
S - 316 Stainless Steel
H - Hastelloy - C
S
- 316 Stainless Steel
Figure 1
Page 2 of 8
PD10X-X-X (en)
WARNING EXCESSIVE AIR PRESSURE. Can cause per-
sonal injury, pump damage or property damage.
Do not exceed the maximum inlet air pressure as
stated on the pump model plate.
Be sure material hoses and other components are able
to withstand fluid pressures developed by this pump.
Check all hoses for damage or wear. Be certain dispens-
ing device is clean and in proper working condition.
WARNING STATIC SPARK. Can cause explosion
resulting in severe injury or death. Ground pump and
pumping system.
Sparks can ignite flammable material and vapors.
The pumping system and object being sprayed must be
grounded when it is pumping, flushing, recirculating or
spraying flammable materials such as paints, solvents,
lacquers, etc. or used in a location where surrounding
atmosphere is conducive to spontaneous combustion.
Ground the dispensing valve or device, containers, hos-
es and any object to which material is being pumped.
Secure pump, connections and all contact points to
avoid vibration and generation of contact or static spark.
Consult local building codes and electrical codes for
specific grounding requirements.
After grounding, periodically verify continuity of
electrical path to ground. Test with an ohmmeter
from each component (e.g., hoses, pump, clamps, con-
tainer, spray gun, etc.) to ground to ensure continuity.
Ohmmeter should show 0.1 ohms or less.
Submerse the outlet hose end, dispensing valve or
device in the material being dispensed if possible.
(Avoid free streaming of material being dispensed.)
Use hoses incorporating a static wire.
Use proper ventilation.
Keep inflammables away from heat, open flames and
sparks.
Keep containers closed when not in use.
WARNING Pump exhaust may contain contaminants.
Can cause severe injury. Pipe exhaust away from work
area and personnel.
In the event of a diaphragm rupture, material can be
forced out of the air exhaust muffler.
Pipe the exhaust to a safe remote location when
pumping hazardous or inflammable materials.
Use a grounded 3/8” minimum i.d. hose between the
pump and the muffler.
WARNING HAZARDOUS PRESSURE. Can result in serious
injury or property damage. Do not service or clean pump,
hoses or dispensing valve while the system is pressurized.
Disconnect air supply line and relieve pressure from
the system by opening dispensing valve or device and
/ or carefully and slowly loosening and removing out-
let hose or piping from pump.
WARNING HAZARDOUS MATERIALS. Can cause serious
injury or property damage. Do not attempt to return
a pump to the factory or service center that contains
hazardous material. Safe handling practices must comply
with local and national laws and safety code requirements.
OPERATING AND SAFETY PRECAUTIONS
READ, UNDERSTAND, AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.
Obtain Material Safety Data Sheets on all materials
from the supplier for proper handling instructions.
WARNING EXPLOSION HAZARD. Models containing
aluminum wetted parts cannot be used with
1,1,1-trichloroethane, methylene chloride or other
halogenated hydrocarbon solvents which may react
and explode.
Check pump motor section, fluid caps, manifolds and
all wetted parts to assure compatibility before using
with solvents of this type.
WARNING MISAPPLICATION HAZARD. Do not use
models containing aluminum wetted parts with food
products for human consumption. Plated parts can
contain trace amounts of lead.
CAUTION Verify the chemical compatibility of the
pump wetted parts and the substance being pumped,
flushed or recirculated. Chemical compatibility may
change with temperature and concentration of the
chemical(s) within the substances being pumped,
flushed or circulated. For specific fluid compatibility,
consult the chemical manufacturer.
CAUTION Maximum temperatures are based
on mechanical stress only. Certain chemicals will
significantly reduce maximum safe operating
temperature. Consult the chemical manufacturer for
chemical compatibility and temperature limits. Refer
to PUMP DATA on page 1 of this manual.
CAUTION Be certain all operators of this equipment
have been trained for safe working practices,
understand it’s limitations, and wear safety goggles /
equipment when required.
CAUTION Do not use the pump for the structural
support of the piping system. Be certain the system
components are properly supported to prevent stress
on the pump parts.
Suction and discharge connections should be flexible
connections (such as hose), not rigid piped, and should
be compatible with the substance being pumped.
CAUTION Prevent unnecessary damage to the
pump. Do not allow pump to operate when out of
material for long periods of time.
Disconnect air line from pump when system sits idle
for long periods of time.
CAUTION Use only genuine ARO replacement parts
to assure compatible pressure rating and longest
service life.
NOTICE
TORQUE ALL FASTENERS BEFORE
OPERATION. Creep of housing and gasket materials
may cause fasteners to loosen. Torque all fasteners to
ensure against fluid or air leakage.
WARNING
= Hazards or unsafe practices which
could result in severe personal injury,
death osr substantial property dam-
age.
CAUTION
= Hazards or unsafe practices which
could result in minor personal injury,
product or property damage.
NOTICE
= Important installation, operation or
maintenance information.
EXCESSIVE AIR PRESSURE
STATIC SPARK
HAZARDOUS MATERIALS
HAZARDOUS PRESSURE
PD10X-X-X (en)
Page 3 of 8
Viton® and Hytrel® are registered trademarks of the DuPont® Company Loctite® is a registered trademark of Henkel Loctite Corporation
Santoprene® is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. Lubriplate® is a registered trademark of Lubriplate Division (Fiske Brothers Refining Company)
FLUID SECTION REASSEMBLY
Reassemble in reverse order. Refer to the torque requirements
on page 5.
Clean and inspect all parts. Replace worn or damaged
parts with new parts as required.
Lubricate (1) diaphragm rod and (144) “U” cup with Lubri-
plate FML-2 grease (94276 grease packet is included in ser-
vice kit).
For models with PTFE diaphragms: Item (8) Santoprene
diaphragm is installed with the side marked “AIR SIDE”
towards the pump center body. Install the PTFE diaphragm
(7) with the side marked “FLUID SIDE” towards the (15) fluid
cap.
Check torque settings after pump has been re-started
and run a while.
FLUID SECTION DISASSEMBLY
Remove (61) outlet manifold, (60) inlet manifold.
Remove (22) balls, (19 and 33) “O” rings and (21) seats.
Remove (15) fluid caps.
NOTE: Only PTFE diaphragm models use a primary diaphragm (7)
and a backup diaphragm (8). Refer to the auxiliary view in the Fluid
Section illustration.
4.
Remove the (6) diaphragm washer, (7) or (7 / 8) diaphragms,
and (5) backup washer.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
1.
2.
3.
MAINTENANCE
Provide a clean work surface to protect sensitive internal
moving parts from contamination from dirt and foreign
matter during service disassembly and reassembly.
Keep good records of service activity and include pump
in preventive maintenance program.
Before disassembling, empty captured material in the
outlet manifold by turning the pump upside down to
drain material from the pump.
PARTS AND SERVICE KITS
Refer to the part views and descriptions as provided on page 4
through 7 for parts identification and Service Kit information.
Certain ARO “Smart Parts” are indicated which should be
available for fast repair and reduction of down time.
Service kits are divided to service two separate diaphragm
pump functions: 1. AIR SECTION, 2. FLUID SECTION. The Fluid
Section is divided further to match typical part Material
Options.
OPERATING INSTRUCTIONS
Always flush the pump with a solvent compatible with the
material being pumped if the material being pumped is
subject to setting up” when not in use for a period of time.
Disconnect the air supply from the pump if it is to be inactive
for a few hours.
INSTALLATION
Verify correct model / configuration prior to installation.
Retorque all external fasteners per specifications prior to
start up.
Pumps are tested in water at assembly. Flush pump with
compatible fluid prior to installation.
When the diaphragm pump is used in a forced-feed
(flooded inlet) situation, it is recommended that a check
valve” be installed at the air inlet.
Material supply tubing should be at least the same diam-
eter as the pump inlet manifold connection.
Material supply hose must be reinforced, non-collapsible
type compatible with the material being pumped.
Piping must be adequately supported. Do not use the
pump to support the piping.
Use flexible connections (such as hose) at the suction
and discharge. These connections should not be rigid
piped and must be compatible with the material being
pumped.
Secure the diaphragm pump legs to a suitable surface
(level and flat) to ensure against damage by vibration.
Pumps that need to be submersed must have both wet
and non-wet components compatible with the material
being pumped.
Submersed pumps must have exhaust pipe above liquid
level. Exhaust hose must be conductive and grounded.
Flooded suction inlet pressure must not exceed 10 psig (0.69
bar).
AIR AND LUBE REQUIREMENTS
WARNING EXCESSIVE AIR PRESSURE. Can cause
pump damage, personal injury or property damage.
A filter capable of filtering out particles larger than 50
microns should be used on the air supply. There is no lu-
brication required other than the “O” ring lubricant which is
applied during assembly or repair.
If lubricated air is present, make sure that it is compatible
with the “O” rings and seals in the air motor section of
the pump.
GENERAL DESCRIPTION
The ARO diaphragm pump offers high volume delivery even
at low air pressure and a broad range of material compatibility
options available. Refer to the model and option chart. ARO
pumps feature stall resistant design, modular air motor / fluid
sections.
Air operated double diaphragm pumps utilize a pressure dif-
ferential in the air chambers to alternately create suction and
positive fluid pressure in the fluid chambers, ball checks en-
sure a positive flow of fluid.
Pump cycling will begin as air pressure is applied and it will
continue to pump and keep up with the demand. It will build
and maintain line pressure and will stop cycling once maxi-
mum line pressure is reached (dispensing device closed) and
will resume pumping as needed.
Page 4 of 8
PD10X-X-X (en)
DIAPHRAGM OPTIONS PX10X-XXX-XXX
Service kit
“7”
“8”
“19”
“33”
-XX = (Ball)
“O” Ring
“O” Ring
-XXX -XX = (Diaphragm)
Diaphragm Qty
[Mtl] Diaphragm Qty [Mtl] (1/8” x 2-1/8” o.d.) Qty [Mtl] (1/8” x 1-5/8” o.d.) Qty [Mtl]
-XXA 637401-XA
96267-A
(2)
[SP]
-----
---
---
93280
(4)
[E]
93279
(4)
[E]
-XXC 637401-XC
96267-C
(2)
[H]
-----
---
---
Y327-225
(4)
[V]
Y327-220
(4)
[V]
-XXG 637401-XG
96328-2
(2)
[B]
-----
---
---
Y325-225
(4)
[B]
Y325-220
(4)
[B]
-XXL 637401-XL
96146-L
(2)
[L]
96145-A
(2)
[SP] 93282
(4)
[T]
93281
(4)
[T]
-XXM 637401-XM
96267-M
(2)
[MSP] -----
---
---
93280
(4)
[T]
93279
(4)
[T]
-XXT 637401-XT
96146-T
(2)
[T]
96145-A
(2)
[SP] 93282
(4)
[T]
93281
(4)
[T]
-XXV 637401-XV
95989-3
(2)
[V]
-----
---
---
Y327-225
(4)
[V]
Y327-220
(4)
[V]
NOTE: Gasket items 19 and 33 are not required with seat option AXX, -CXX and -GXX.
637401-XX FLUID SECTION SERVICE KITS INCLUDE: BALLS (see Ball Option, refer to -XX in Service Kit chart below), DIAPHRAGMS (see Dia-
phragm Option, refer to -XX in Service Kit chart below), and items 19, 33, 70, 144, 175 and 180 (listed below) plus 174 and 94276 Lubriplate
FML-2 grease (page 6).
SEAT OPTIONS PX10X-XXX-XXX
BALL OPTIONS PX10X-XXX-XXX
"21"
"22" (1-1/4” dia.)
-XXX
Seat
Qty
[Mtl]
-XXX
Seat
Qty
[Mtl]
-XXX
Ball
Qty
[Mtl]
-XXX
Ball
Qty
[Mtl]
-AXX
96152-A
(4)
[Sp]
-GXX
96152-G
(4)
[B]
-XAX
93278-A
(4)
[Sp]
-XSX
92408
(4)
[SS]
-CXX
96152-C
(4)
[H]
-HXX
94706
(4)
[SH]
-XCX
93278-C
(4)
[H]
-XTX
93278-4
(4)
[T]
-EXX
96158
(4)
[C]
-LXX
95836
(4)
[Ha]
-XGX
93278-2
(4)
[B]
-XVX
93278-3
(4)
[V]
-FXX
96156
(4)
[A]
-SXX
96151
(4)
[SS]
PARTS LIST / PX10X-X-X FLUID SECTION
CENTER SECTION OPTIONS PX10X-XXX-XXX
Aluminum
Polypropylene
Stainless steel
PD10A-X-X
PE10A-X-X
PD10R-X-X
PE10R-X-X
PD10S-X-X
PE10S-X-X
Item
Description (size)
Qty
Part No.
Part No.
[Mtl]
Part No.
Part No.
[Mtl] Part No.
Part No.
[Mtl]
28 Washer (8.5 mm i.d.)
(4)
- - - - -
- - - - -
- - -
96217
96217
[SS]
- - - - -
- - - - -
- - -
23 Ground Lug
(1)
93004
93004
[Co]
- - - - -
- - - - -
- - -
93004
93004
[Co]
68 Air Cap
(1)
95994-2
95994-4
[A]
96104-1
96104-3
[P]
96007-1
96007-3
[SS]
69 Air Cap
(1)
95994-1
95994-3
[A]
96104-2
96104-4
[P]
96007-2
96007-4
[SS]
74 Pipe Plug (1/4 - 18 NPT x 7/16”)
(2)
- - - - -
Y17-51-S
[SS]
- - - - -
93832-3
[K]
- - - - -
Y17-51-S
[SS]
76 Pipe Plug (1/8 - 27 NPT x 0.27”)
(1)
- - - - -
Y17-50-S
[SS]
- - - - -
Y17-50-S
[SS]
- - - - -
Y17-50-S
[SS]
131 Screw (M8 x 1.25 - 6g x 95 mm)
(4)
96001
96001
[C]
- - - - -
- - - - -
- - -
96001
96001
[C]
(M8 x 1.25 - 6g x 100 mm)
(4)
- - - - -
- - - - -
- - -
96216
96216
[SS]
- - - - -
- - - - -
- - -
180 Washer
(4)
96006
96006
[Co]
- - - - -
- - - - -
- - -
96006
96006
[Co]
“O” Ring (2.5 mm x 12 mm o.d.)
(8)
- - - - -
- - - - -
- - -
96292
96292
[B]
- - - - -
- - - - -
- - -
195 Nut (M8 x 1.25 - 6h)
(4)
96005
96005
[SS]
95879
95879
[SS]
96005
96005
[SS]
MANIFOLD / FLUID CAP MATERIAL OPTIONS PX10X-XXX-XXX
Aluminum
Cast Iron
Hastelloy-C
Stainless Steel
PX10X-XAX-XXX
PX10X-XCX-XXX
PX10X-XHX-XXX
PX10X-XSX-XXX
Item
Description (size)
Qty
Part No.
[Mtl]
Part No.
[Mtl]
Part No.
[Mtl]
Part No.
[Mtl]
5
Backup Washer
(2)
95990-3
[C]
95990-3
[C]
95990-1
[SS]
95990-1
[SS]
6
Diaphragm Washer
(2)
95990-3
[C]
95990-3
[C]
95990-2
[Ha]
95990-1
[SS]
9
Washer (0.505” i.d.)
(2)
93189-1
[SS]
93189-1
[SS]
96161
[Ha]
93189-1
[SS]
14
Screw (M12 x 1.75 - 6g x 25 mm)
(2)
95997
[SS]
95997
[SS]
96159
[Ha]
95997
[SS]
15
Fluid Cap
(2)
95935
[A]
95831
[CI]
96148
[Ha]
96010
[SS]
60
Inlet Manifold
(1)
95936-[]
[A]
95829-[]
[CI]
96150-[]
[Ha]
96008-[]
[SS]
61
Outlet Manifold
(1)
95960-[]
[A]
95830-[]
[CI]
96149-[]
[Ha]
96009-[]
[SS]
63
Pipe Plug (1 - 11-1/2 NPT)
(2)
Y17-125
[A]
Y17-55-S
[SS]
- - - - -
- - -
Y17-55-S
[SS]
(R 1, 1 - 11 BSP)
(2)
96160-2
[A]
96160-1
[SS]
- - - - -
- - -
96160-1
[SS]
For NPTF thread models (PX10X-AXX-XXX), use “-1”. For BSP thread models (PX10X-BXX-XXX), use “-2”.
EXTERNAL HARDWARE OPTIONS PX10X-XXX-XXX
COMMON PARTS
PX10X-XXP-X
PX10X-XXS-X
Item
Description (size)
Qty
Part No.
[Mtl]
1
Rod
(1)
95995
[C]
Item Description (size)
Qty
Part No. [Mtl] Part No. [Mtl]
70
Gasket
(2)
95843
[B]
26
Screw (M8 x 1.25 - 6g x 30 mm) (8)
95880-1
[C]
95880
[SS]
144
“U” Cup (3/16” x 1-1/8” o.d.)
(2)
Y186-49
[B]
27
Bolt (M8 x 1.25 - 6g x 40 mm)
(20) 95896-1
[C]
95896
[SS]
175
“O” Ring (3/32” x 13/16” o.d.)
(2)
Y325-114
[B]
29
Hex Flange Nut (M8 x 1.25 - 6h) (20) 95879-1
[C]
95879
[SS]
Air Section Service Kit Parts, see page 6.
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