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INGERSOLL RAND COMPANY LTD

209 NORTH MAIN STREET – BRYAN, OHIO 43506

 (800) 495-0276 

 FAX (800) 892-6276 

© 2019 

CCN 15207962

arozone.com

OPERATOR’S MANUAL 

PW10A-XXX-XXX-A

INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE

RELEASED: 3-11-04

REVISED: 3-15-19

(REV: K)

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 the pump mate-

rial options.

637401-XXX 

for Fluid Section Repair 

with

 seats (see page 4).

637401-XX 

for Fluid Section Repair 

without

 seats 

(see page 4).

NOTE:

 This kit also contains several air motor seals which will 

need to be replaced.

637397 

for Air Section Repair (see page 6).

637390-3 

for Major Air Valve Assembly (see page 7).

PUMP DATA

Models

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

Pump Type

  . . . . . . . .Metallic Air Operated Diaphragm Pump

Material

  . . . . . . . . . . .see Model Description Chart

Weight

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25.7 lbs (11.7 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)  . . . . .  

60.0 gpm (227.1 lpm)

Displacement / Cycle @ 100 psig

  . . . .  0.234 gal. (0.89 lit.)

Maximum Particle Size

  . . . . . . . . . . . . .  1/8” dia. (3.3 mm)

Maximum Temperature Limits

 (Diaphragm / Ball / Seat materials)

E.P.R / EPDM. . . . . . . . . . . . . . . -60

 to 280

 F (-51

 to 138

 

C)

Hytrel

  . . . . . . . . . . . . . . . . . . . -20

 to 180

 F (-29

 to 82

 C)

Nitrile  . . . . . . . . . . . . . . . . . . . . 10

 to 180

 F (-12

 to 82

 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

. . 5.9375” x 8.75 ” (150.8 mm x 222.3 mm)

Noise Level

 @ 70 psig, 60 cpm  . . . . . . .  80.6 dB(A)

 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.

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.

Figure 1

MODEL DESCRIPTION CHART

PW10A - A  A  X - X  X  X - A 

FLUID CONNECTION

A - Inlet - 1-1/2 - 11-1/2 NPTF-1

      Outlet - 1-1/4 - 11-1/2 NPTF-1

CENTRE SECTION MATERIAL

A - Aluminum

Ball Material

A - Santoprene 

T  - PTFE

C  - Hytrel 

V - Viton

G - Nitrile

Fluid Section Service Kit Selection

EXAMPLE: Model #PW10A-AAP-AAA

Fluid Section Service Kit # 637401-AA

PW10A - AAX - X X X

 Ball 

Diaphragm

637401 - X X

Fluid Cap and Manifold Material

A - Aluminum

Diaphragm Material

A - Santoprene 

L - Long Life PTFE

C - Hytrel 

T - PTFE / Santoprene

G - Nitrile                             V - Viton

Seat Material

A - Santoprene 

F - Aluminum

C - Hytrel 

G - Nitrile

Hardware Material

P  - Plated Steel 

S  - Stainless Steel

Summary of Contents for ARO PW10A A Series

Page 1: ... Cycle 100 psig 0 234 gal 0 89 lit Maximum Particle Size 1 8 dia 3 3 mm MaximumTemperature Limits Diaphragm Ball Seat materials E P R EPDM 60 to 280 F 51 to 138 C Hytrel 20 to 180 F 29 to 82 C Nitrile 10 to 180 F 12 to 82 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 5 9375 x8 75 150 8mmx222 3mm Noise L...

Page 2: ...OPERATING AND SAFETY PRECAUTIONS READ UNDERSTAND AND FOLLOWTHIS INFORMATIONTO AVOID INJURY AND PROPERTY DAMAGE hazardous material Safe handling practices must comply with local and national laws and safety code requirements y y Obtain Material Safety Data Sheets on all materials from the supplier for proper handling instructions WARNING EXPLOSION HAZARD Models containing alu minum wetted parts can...

Page 3: ...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 ensure a positive flow of fluid Pump cycling will begin as air pressure is applied and it will continue to pump and keep up...

Page 4: ...96328 2 2 B Y325 225 4 B Y325 220 4 B XXL 637401 XXL 637401 XL 96146 L 2 L 96145 A 2 Sp 93282 4 T 93281 4 T XXT 637401 XXT 637401 XT 96146 T 2 T 96145 A 2 Sp 93282 4 T 93281 4 T XXV 637401 XXV 637401 XV 95989 3 2 V Y327 255 4 V Y327 220 4 V EXTERNAL HARDWARE OPTIONS PW10A AAX XXX AXX PW10A XXP XXX PW10A XXS XXX Item Description size Qty Part No Mtl Part No Mtl 26 Screw M8 x 1 25 6g x 30 mm 8 95880...

Page 5: ...ase to all O rings U Cups mating parts x Apply Loctite 242 to threads at assembly Apply PTFE tape to threads at assembly Apply Loctite 271 to threads at assembly U Apply anti seize compound to thread at assembly Y Not used with PW10A AAX AXX CXX and GXX Z Lubriplate FML 2 is a white food grade petroleum grease 15 131 x 175 43 k 29 144k 70k 22 21 19Y 26 U 61 22 19Y 21 144k 70k 69 1k 5 7 6 9 195 14 ...

Page 6: ... on 111 spool LIPS MUST FACE EACH OTHER 2 Insert 111 spool into 135 valve block 3 Install 137 gasket on 136 end cap and assemble end cap to 135 valve block securing with 105 screws NOTE Tighten 105 screws to 35 40 in lbs 4 0 4 5 Nm 4 Install 140 valve insert and 141 valve plate into 135 valve block NOTE Assemble 140 valve insert with dished side toward 141 valve plate Assemble 141 valve plate with...

Page 7: ...d to threads at assembly U 134 135 133 174 121 118 173 126 169 172 171 170 167 121 174 118 166 132 141 140 200 233 176 PILOT VALVE PART GROUP MAJOR VALVE A replacement 637390 3 Major Valve Service Assembly is available separately which includes the following 105 4 111 128 132 135 136 137 138 139 140 141 166 176 2 200 and 233 Figure 3 101 181 103 201 173 136 128 U 105 MATERIAL CODE A Aluminum AO Al...

Page 8: ...ed restrictive or collapsed inlet material hose y y Check for pump cavitation suction pipe should be sized at least as large as the inlet thread diameter of the pump for proper flow if high viscosity fluids are being pumped Suction hose must be a non collapsing type capable of pulling a high vacuum y y Check all joints on the inlet manifolds and suction con nections These must be air tight y y Ins...

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