Ingersoll-Rand ARO PF20R B Series Operator'S Manual Download Page 1

INGERSOLL RAND COMPANY INC

209 NORTH MAIN STREET – BRYAN, OHIO 43506

 (800) 495-0276 

 FAX (800) 892-6276 

© 2020 

CCN 15227671

arozone.com

OPERATOR’S MANUAL 

PF20R-XXX-XXX-B

INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE

RELEASED: 12-14-04

REVISED: 8-4-20

(REV: K)

2” DIAPHRAGM PUMP

1:1 RATIO FLAP VALVE (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.

Figure 1

SERVICE KITS

Refer to Model Description Chart to match the pump materi-

al options.

637369 

for air section repair (see page 6).

637310-XX 

for fluid section repair (see page 3).

637374 

major air valve assembly (see page 7).

PUMP DATA

Models

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

Pump Type

  . . . . . . . .Metallic,  Air  Operated,  Double  Diaphragm,                 

Flap Valve

Material

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

Weight

  . . .   PF20X-XCX-SXX-B . . . . . 178.7 lbs (81.1 kgs)

                       PF20X-XSX-SXX-B . . . . . 180.6 lbs (81.9 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

  . . . . . . . . . . . . . . . . . . . .  

172 gpm (651 lpm)

Displacement / Cycle @ 100 psig

  . . . .  1.4 gal. (5.3 lit.)

Maximum Particle Size

  . . . . . . . . . . . . .  2” dia. (51 mm) 

semi-solids

Maximum Temperature Limits

 (diaphragm / flap / bumper material)

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)

Polypropylene  . . . . . . . . . . . . 32

 to 175

 F (0

 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

 .   9-1/16” x 10-1/16” (230 mm x 256 mm)

Noise Level

 @ 70 psig, 60 cpm

  . . . . . .  85.0 dB(A)

 Tested with 67263 muffler assembly installed.

 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.

MODEL DESCRIPTION CHART

PF20X - X  X  X - S  X  X - B

Thread

A - NPTF

B - BSP

Air Motor / Air Cap Material

R - Polypropylene / Stainless Steel

Y - Polypropylene / Cast Iron

Fluid Section Service Kit Selection

EXAMPLE: Model #PF20R-ACP-SAA-B

Fluid Section Service Kit # 637310-AA

PF20X - XXX - S X X - B

 Flap 

Diaphragm

637310 - X X

Fluid Caps and Manifold Material 

C - Cast Iron

S - Stainless Steel

Diaphragm Material

A - Santoprene

C - Hytrel

G - Nitrile

L - Long Life PTFE

T - PTFE / Santoprene

V - Viton

Seat Material

S  - Stainless Steel

Hardware Material

P - Plated Steel

S - Stainless Steel

Flap Material

A - E.P.R.

G - Nitrile

U - Polyurethane

V - Viton

Summary of Contents for ARO PF20R B Series

Page 1: ... Displacement Cycle 100 psig 1 4 gal 5 3 lit Maximum Particle Size 2 dia 51 mm semi solids MaximumTemperature Limits diaphragm flap bumper material 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 Polypropylene 32 to 175 F 0 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...

Page 2: ...ta Sheets on all materials from the supplier for proper handling instructions OPERATING AND SAFETY PRECAUTIONS READ UNDERSTAND AND FOLLOWTHIS INFORMATIONTO AVOID INJURY AND PROPERTY DAMAGE WARNING EXPLOSION HAZARD Models containing alu minum wetted parts cannot be used with 1 1 1 trichlo roethane methylene chloride or other halogenated hydrocarbon solvents which may react and explode y Check pump ...

Page 3: ...fers high volume delivery even at low air pressure and a broad range of material compati bility 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 flap che...

Page 4: ...RIAL CODE B Nitrile C Carbon Steel Co Copper CI Cast Iron E E P R H Hytrel L Long Life PTFE SP Santoprene SS Stainless Steel T PTFE U Polyurethane V Viton Smart Parts keep these items on hand in addition to the Service Kits for fast repair and reduction of down time Air Motor Kit Parts see page 6 FLAP VALVE OPTIONS PF20X XXX SXX B 47 48 51 55 XXX Bumper Qty Mtl Flap Qty Mtl Gasket Qty Mtl Gasket Q...

Page 5: ...s mating parts Apply Loctite 242 to threads at assembly Apply Loctite 503 pipe sealant 75 75 7 VIEW OF TWO PIECE PTFE DIAPHRAGM 80 8 6 4 1 7 5 3 2 Torque Sequence 27 74 29 8 55 60 61 26 55 175 NOTE DO NOT OVERTIGHTEN FASTENERS ALL FASTENERS ARE METRIC 14 Diaphragm screw apply Loctite 271 to threads torque to 65 70 ft lbs 88 1 94 9 Nm 26 and 27 Fluid caps manifold screw 30 40 ft lbs 40 7 54 2 Nm 44...

Page 6: ...plate into 135 valve block NOTE Assemble 140 valve insert with dished side toward 141 valve plate Assemble 141 valve plate with 2 iden tification dots toward 199 and 200 gaskets 5 Assemble 232 243 and 244 O rings 199 and 200 gas kets and 233 adapter plate to 135 valve block 6 Assemble 132 and 166 gaskets 176 checks and 232 O ring to 101 body 7 Assemble 135 valve block and components to 101 body se...

Page 7: ...Lubriplate FML 2 grease to O rings U Cups and mating parts 136 137 139 111 138 105 135 133 134 101 103 174 121 118 173 169 172 171 170 167 173 121 174 118 166 132 243 244 199 141 140 232 200 232 233 176 PILOT VALVE PART GROUP MAJOR VALVE A 637374 Replacement Major Valve Service Assembly is available separately which includes the following 105 4 107 2 111 132 135 136 137 138 139 140 141 166 176 2 1...

Page 8: ...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 Check all joints on the inlet manifolds and suction con nections These must be air tight y Inspect the pump for solid objects logged in the dia phragmchamber or the seat area Dimensions shown are for reference only they are displayed in inches and millimeters mm F...

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