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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
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 materi-
al options.
637310-XX for fluid section repair (see page 3).
637374-X major air valve assembly (see page 7).
NOTE: This kit also contains several replacement air motor
seals.
637421 for air section repair (see page 6).
PUMP DATA
Models . . . . . . . . . . . .see Model Description Chart for "-XXX"
Pump Type . . . . . . . .Metallic, Air Operated, Double Diaphragm,
Flap Valve
Material . . . . . . . . . . .see Model Description Chart
Weight . . . PF20A-XAX-SXX-B . . . . . . 97.3 lbs (44.2 kgs)
PF20A-XCX-SXX-B . . . . . . 166.2 lbs (75.4 kgs)
PF20A-ASX-SXX-B . . . . . . 166.0 lbs (75.3 kgs)
PF20A-BSX-SXX-B . . . . . . 166.0 lbs (75.3 kgs)
PF20A-FSX-SXX-B . . . . . . 177.1 lbs (80.3 kgs)
(add 28.9 lbs [13.1 kgs] 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
. . . . . . . . . . . . . . . . . . . .
Displacement / Cycle @ 100 psig . . . . 1.4 gal. (5.3 lit.)
Maximum Particle Size . . . . . . . . . . . . . 2" dia. (51 mm)
semi-solids
Maximum Temperature Limits
E.P.R. / EPDM . . . . . . . . . . . . . . -60
Hytrel
. . . . . . . . . . . . . . . . . . . -20
Nitrile . . . . . . . . . . . . . . . . . . . . 10
Polypropylene . . . . . . . . . . . . 32
Santoprene
. . . . . . . . . . . . . -40
PTFE. . . . . . . . . . . . . . . . . . . . . . 40
Viton
. . . . . . . . . . . . . . . . . . . -40
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
Tested with 67263 muffler assembly installed.
The pump sound pressure levels published here have been updated to
an Equivalent Continuous Sound Level (LA
S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
INGERSOLL RAND COMPANY INC
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
arozone.com
2" DIAPHRAGM PUMP
1:1 RATIO FLAP VALVE (METALLIC)
OPERATING OR SERVICING THIS EQUIPMENT.
172 gpm (651 lpm)
(diaphragm / flap / bumper material)
to 280
F (-51
to 138
to 180
F (-29
to 82
to 180
F (-12
to 82
to 175
F (0
to 79
C)
to 225
F (-40
to 107
to 225
F (4
to 107
to 350
F (-40
to 177
. . . . . . 85.0 dB(A)
) to meet the intent of ANSI
eq
© 2020
CCN 15227663
PF20X-XXX-XXX-B
MODEL DESCRIPTION CHART
Centre Section Material
A - Aluminum
S - Stainless Steel
Thread
A - NPTF
B - BSP
F - 2" ANSI / DIN Flange
C)
Fluid Caps and Manifold Material
C)
A - Aluminum
C)
C - Cast Iron
S - Stainless Steel
Hardware Material
C)
P - Plated Steel
C)
S - Stainless Steel
C)
Seat Material
S - Stainless Steel
Flap Material
A - E.P.R.
G - Nitrile
Diaphragm Material
A - Santoprene
B - Santoprene
C - Hytrel
Fluid Section Service Kit Selection
EXAMPLE: Model #PF20A-AAP-SAA-B
Fluid Section Service Kit # 637310-AA
RELEASED:
REVISED:
(REV: L)
Figure 1
PF20X - X X X - S X X - B
U - Polyurethane
V - Viton
G - Nitrile
L - Long Life PTFE
T - PTFE / Santoprene
V - Viton
PF20X - XXX - X X X - B
637310 - X X
Flap
2-10-05
8-4-20
Diaphragm
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Table of Contents
Related Manuals for Ingersoll-Rand ARO PF20 B Series
Summary of Contents for Ingersoll-Rand ARO PF20 B Series
- Page 1 OPERATOR’S MANUAL PF20X-XXX-XXX-B INCLUDING: OPERATION, INSTALLATION AND MAINTENANCE RELEASED: 2-10-05 REVISED: 8-4-20 (REV: L) 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. SERVICE KITS Refer to Model Description Chart to match the pump materi- al options.
- Page 2 OPERATING AND SAFETY PRECAUTIONS READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. EXPLOSION HAZARD. Models containing alu- WARNING EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS minum wetted parts cannot be used with 1,1,1-trichlo- STATIC SPARK HAZARDOUS PRESSURE roethane, methylene chloride or other halogenated hydrocarbon solvents which may react and explode.
- Page 3 GENERAL DESCRIPTION PARTS AND SERVICE KITS The ARO diaphragm pump offers high volume delivery even Refer to the part views and descriptions as provided on page at low air pressure and a broad range of material compati- 4 through 7 for parts identification and Service Kit informa- bility options available.
- Page 4 PARTS LIST / PF20X-XXX-XXX-B FLUID SECTION FLUID SECTION SERVICE KITS (637310-XX) Kits Include: Diaphragms (See Diaphragm Option, refer to -XX in chart below), Flap Valve items (47), (48), (51) and (55), plus items (44), (46), (70), (75), (144) and (175) listed below, plus (174) and a (94276) Lubriplate FML-2 grease packet. FLAP VALVE OPTIONS PF20X-XXX-SXX-B ...
- Page 5 PARTS LIST / PF20X-XXX-XXX-B FLUID SECTION COLOR CODE DIAPHRAGM FLAP BUMPER MATERIAL COLOR COLOR COLOR E.P.R. Blue ( ) Blue ( ) HYTREL Cream NITRILE Black Red ( ) Red ( ) SANTOPRENE SANTOPRENE Green (Backup) PTFE White URETHANE VITON Yellow (--) Yellow ( ) Yellow (...
- Page 6 PARTS LIST / PF20X-XXX-XXX-B AIR SECTION Indicates parts included in 637421 Air Section Service Kit shown below and items (70), (144), (175), (180) shown on page 4. AIR MOTOR PARTS LIST Item Description (Qty) Part No. [Mtl] Item Description (Qty) Part No.
- Page 7 PARTS LIST / PF20X-XXX-XXX-B AIR SECTION PILOT VALVE PART GROUP (Optional 94117 Mu er) MAJOR VALVE Figure 3 TORQUE REQUIREMENTS MATERIAL CODE Substitute these “O” rings for “166” gasket on models NOTE: DO NOT OVERTIGHTEN FASTENERS. [A] = Aluminum PF20S-XXX-XXX-B. ALL FASTENERS ARE METRIC.
- Page 8 TROUBLESHOOTING Product discharged from exhaust outlet. Low output volume, erratic flow, or no flow. Check for diaphragm rupture. Check air supply. Check tightness of (14) diaphragm screw. Check for plugged outlet hose. Air bubbles in product discharge. Check for kinked (restrictive) outlet material hose. Check connections of suction plumbing.
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