Ingersoll-Rand AD25A-X-X User Manual

OPERATOR’S MANUAL

INCLUDING: OPERATION, INSTALLATION & MAINTENANCE

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.

SERVICE KITS

Refer to “Model Description Chart”to match thepump material options.
637436 for air section repair (see page 6).
637425-XX for fluid section repair (see page 4).

PUMP DATA

Models see “Model Description Chart” for “-XXX”..........

Pump Type Metallic Air Operated Double Diaphragm.......

Material see “Model Description Chart”..........

Weight AD25A-XA

AD25A-XC
AD25A-XS

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 (flooded inlet) 35 g.p.m. (133 l.p.m.)...

Maximum Particle Size 1/8” dia. (3.2 mm)............

Maximum Temperature Limits (diaphragm / ball / seat material)

E.P.R. / EPDM -60_ to 280_ F(-51_ to 138_ C)......

R -20_ to 150_ F(-29_ to 66_ C)...........

Hytrel

Polypropylene 35_ to 150_ F(2_ to 66_ C).......

Santoprene

PTFE 40_ to 225_ F(4_ to 107_ C).............

R -40_ to 350_ F(-40_ to 177_ C)............

Viton

Dimensional Data see page 8................

Noise Level @ 70 p.s.i., 60 c.p.m. 64.5 db(A)*.....

* The pump sound pressure levels published here have been updated to an Equivalent Continuous

Sound Level (L
phone 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.

) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1 using four micro-

Aeq

X-XXX 22.0 lbs (10.0 kg)... .......

X-XXX 35.3 lbs (16.0 kg)......

X-XXX 37.9 lbs (17.2 kg).......

R -40_ to 225_ F(-40_ to 107_ C).......

CENTER SECTION MATERIAL

A - Aluminum

THREAD

A - 1 ” N . P. T. F. - 1
B-Rp1-11BS

FLUID CAPS & MANIFOLD MATERIAL

A - Aluminum
C - Cast iron
S - Stainless Steel

HARDWARE MATERIAL

P - Carbon Steel
S - Stainless Steel

SEAT MATERIAL

F - Aluminum
P - Polypropylene
S - 316 Stainless Steel

BALL MATERIAL

A - Santoprene
C - Hytrel
T - PTFE

DIAPHRAGM MATERIAL

A - Santoprene
C - Hytrel
T - PTFE

FLUID SECTION SERVICE KIT SELECTION

EXAMPLE: MODEL # AD25A-ASS-SAA
FLUID SECTION SERVICE KIT # 637425-AA

AD25A-X-X

RELEASED: 4-22-05
REVISED: 5-20-10
(REV. 03)

AD25A-XXX-XXX

1’’ DIAPHRAGM PUMP

MODEL DESCRIPTION CHART

AD25 A -X X X -X X X

AD25A - XXX - X X X

637425 - X X

DiaphragmBall

INGERSOLL RAND COMPANY

209 NORTH MAIN STREET -- BRYAN, OHIO 43506

 [phone] D FAX [phone]

www.ingersollrandproducts.com

E2010 CCN 15242605

OPERATING AND SAFETY PRECAUTIONS

S

S

S
S

S

S

S

S

S

S
S
S
S

S

S

S

S

S

S

S

S

READ, UNDERSTAND, AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.

EXCESSIVE AIR PRESSURE
STATIC SPARK

WARNING

al 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 bythis pump. Check all hoses
for damage or wear. Be certain dispensing device is clean and
in proper working condition.

WARNING

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, hoses and anyobject to which
material is being pumped.
Use the pump grounding screw terminal provided. Use ARO
part no. 66885-1 ground kit or connect a suitable ground wire
(12 ga. min.) to a good earth ground source.
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.
Aftergrounding, periodically verify continuity ofelectrical path
to ground. Test with an ohmmeter from each component (e.g.,
hoses, pump, clamps, container, spray gun, etc.) to ground to
insure 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

causesevere injury.Pipe exhaustaway fromwork areaand 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 locationwhen pumping haz­ardous or inflammable materials.
Use a grounded 3/8” minimum i.d. hose between the pump and
the muffler.

WARNING

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 outlet hose or piping from
pump.

EXCESSIVE AIR PRESSURE. Can cause person-

STATICSPARK.Can cause explosion resulting in

Pump exhaust may contain contaminants. Can

HAZARDOUS PRESSURE. Can result in serious

HAZARDOUS MATERIALS
HAZARDOUS PRESSURE

WARNING

jury 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.
Obtain Material Safety Data Sheets on all materials from the
supplier for proper handling instructions.

WARNING

num wetted parts cannot be used with III.-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.

CAUTION

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

cal stress only. Certain chemicals will significantly reduce
maximum safe operating temperature. Consult the chemical
manufacturer for chemical compatibility and temperature lim­its.RefertoPUMPDATAonpage1ofthismanual.

CAUTION

been trained for safe working practices, understand it’s limita­tions, and wear safety goggles / equipment when required.

CAUTION

the piping system. Be certain the system components are
properly supported to prevent stress on the pump parts.
Suction and discharge connections should be flexibleconnec ­tions (such as hose), not rigid piped, and should be compatible
with the substance being pumped.

CAUTION

notallow 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

sure compatible pressure rating and longest service life.

NOTICE

request: ‘‘Static Spark PN \ 93616-1 & Diaphragm Rupture PN\

93122.”

WARNING

CAUTION

NOTICE

HAZARDOUSMATERIALS.Can cause seriousin-

EXPLOSION HAZARD. Models containing alumi-

Verify the chemical compatibility of the pump

Maximum temperatures are based on mechani-

Be certain all operators of this equipment have

Do not use the pump for the structural support of

Prevent unnecessary damage to the pump. Do

Use only genuine ARO replacement parts to as-

Replacement warning labels are available upon

= Hazards or unsafe practices which could

result in severe personal injury, death or
substantial property damage.

= Hazards or unsafe practices which could

result in minor personal injury, product or
property damage.

= Important installation, operation or

maintenance information.

AD25A-X-XPage 2 of 8

GENERAL DESCRIPTION

MAINTENANCE

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 differential in
the air chambers to alternately create suction and positive fluid pressure
in the fluid chambers, ball checks insure 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 maximum line pressure is reached (dis­pensing device closed) and will resume pumping as needed.

AIR AND LUBE REQUIREMENTS

WARNING

damage, personal injury or property damage.

EXCESSIVE AIR PRESSURE. Can cause pump

S A filter capable offiltering out particleslarger than 50 microns should

be used on the air supply.There is no lubrication required other than
the “O” ring lubricant which is applied during assembly or repair.

S If lubricated air is present, make sure that it is compatible with the

Nitrile “O” rings in the air motor section of the pump.

OPERATING INSTRUCTIONS

S 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.

S Disconnect the air supply fromthe pump if it is to be inactive for a few

hours.

S The outlet material volume is governed not only by the air supply but

also by the material supply available at the inlet. The material supply
tubing should not be too small or restrictive. Be sure not to use hose
which might collapse.

S 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.

S Secure the diaphragm pump legs to a suitable surface to insure

against damage by vibration.

Refer to the part viewsand descriptions asprovided on page 4 through 7
for parts identification and Service Kit information.

S Certain ARO “Smart Parts” areindicated which should be available

for fast repair and reduction of down time.

S 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 partMATERIAL OPTIONS.

S Provide a clean work surface to protect sensitive internal moving

parts from contamination from dirt and foreign matter during service
disassembly and reassembly.

S Keep good records of service activity and include pump in preven-

tive maintenance program.

S Before disassembling, empty captured material in the outlet man-

ifold by turning the pump upside down to drain material from the
pump.

FLUID SECTION DISASSEMBLY

1. Remove top manifold(s).

2. Remove (22) balls, (19) “O” rings, (21) seats.

3. Remove (15) fluid caps.
NOTE:OnlyPTFE diaphragmmodels usea primarydiaphragm (7)and a
backup diaphragm (8). Refer to theauxiliary view inthe Fluid Sectionil­lustration.

4. Remove the (6) nut, (7) or (7 / 8) diaphragms and (5) washers.

5. Remove (3) “O” rings.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.

FLUID SECTION REASSEMBLY

S Reassemble in reverse order.
S Clean and inspect all parts. Replace worn or damaged parts with

new parts as required.

S Lubricate(1) diaphragm rod and (2) “O” ringwith Key-LubeR grease.
S Use ARO pn / 98930-T bullet (installation tool) to aid in installation of

(2) “O” ring on (1) diaphragm rod.

S Be certain (7) or (7 / 8) diaphragm(s) align properly with (15) fluid

caps before making final torque adjustments on bolt and nuts to
avoid twisting the diaphragm.

S 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 with the side marked “FLUID
SIDE” towards the fluid cap.

S Re-check torque settings after pump hasbeen re-started and run a

while.

S VitonR and HytrelR are trademarks of the DuPont Company, S SantopreneR is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. S Key-LubeR is a registered trademark of Key Industries

Page 3 of 8AD25A-X-X