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Home / Diaphragm Pumps / 2” Metallic Expert Diaphragm Pump

ARO PD20A-ACP-HGG-B 2″ Metallic Expert Series AODD Diaphragm Pump

ARO PD20A-ACP-HGG-B 2″ Metallic Expert Series AODD Diaphragm Pump. Aluminum Air Motor/Cap, Cast Iron Fluid Caps & Manifold, Carbon Steel Hardware. 172 GPM (651 LPM) Maximum Flow Rate, Hard 440 Stainless Steel Seats, Nitrile Balls & Diaphragm, 2 – 11-1/2 NPTF – 1 Connection. An Ingersoll Rand Business.

PD20 Catalogue PD20 Owner's Manual
BD20 Catalogue BD20 Owner's Manual

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SKU: PD20A-ACP-HGG-B Categories: 2” Metallic Expert Diaphragm Pump, Diaphragm Pumps
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Kits section
637309-GG - Fluid Section Service Kit No SeatsIncludes Items: 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.
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Kits

637309-GG – Fluid Section Service Kit No SeatsIncludes Items: 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.

637309-HGG - Fluid Section Service Kit with SeatsIncludes Items: 21, 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.
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Kits

637309-HGG – Fluid Section Service Kit with SeatsIncludes Items: 21, 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.

637421 - Air Section Service KitIncludes Items: 70, 132, 137-139, 144, 146, 147, 166, 167, 171-176, 180, 199, 200, 241-244 & Lubriplate grease.
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Kits

637421 – Air Section Service KitIncludes Items: 70, 132, 137-139, 144, 146, 147, 166, 167, 171-176, 180, 199, 200, 241-244 & Lubriplate grease.

66312 - Air Line Connection Kit (Optional Accessory)Includes Piggyback Filter / Regulator, pipe nipple & 5' section of hose. Filter-regulator, or "piggybacks," combine the functions of both a filter and regulator.
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Kits

66312 – Air Line Connection Kit (Optional Accessory)Includes Piggyback Filter / Regulator, pipe nipple & 5′ section of hose. Filter-regulator, or “piggybacks,” combine the functions of both a filter and regulator.

Description

ARO PD20A-ACP-HGG-B 2″ Metallic Expert Series AODD Diaphragm Pump. Aluminum Air Motor/Cap, Cast Iron Fluid Caps & Manifold, Carbon Steel Hardware. 172 GPM (651 LPM) Maximum Flow Rate, Hard 440 Stainless Steel Seats, Nitrile Balls & Diaphragm, 2 – 11-1/2 NPTF – 1 Connection. An Ingersoll Rand Business.

Additional information
Air Inlet

3/4 – 14 NPTF – 1

CCN Number

15222128

Connection Size

2"

Connection Type

2 – 11-1/2 NPTF – 1

Diaphragm

Nitrile

Discharge Volume Per Cycle

1.4 Gal (5.3 Lit)

Inlet Pressure (PSI)

120 psig (8.3 bar)

Liquid End Configuration

Cast Iron Fluid Caps/Manifold

Material

Aluminum Air Motor/Cap

Maximum Flow (GPM)

172 GPM (651 LPM)

Maximum Working Pressure (PSIG)

120 psi (8.3 bar)

Max Suction Lift

14 Feet (4.2m)

Metal Parts

Carbon Steel Hardware

Model Series

2” Metallic Expert Series

Quick Specs

2 IN EXP METALLIC DIAPH PUMP

Solids (Inches)

1/4" (6.4mm)

Temperature Range

10° to 180° F (-12° to 82° C)

Type

Standard Pump

Valve Balls

Nitrile

Valve / Seat / O-Ring

Hard 440 Stainless Steel

Air Section Repair Parts

KeyPart NumberTitle
AirConnectionKit  6631266312 - Air Line Connection Kit (Optional Accessory)Includes Piggyback Filter / Regulator, pipe nipple & 5' section of hose. Filter-regulator, or "piggybacks," combine the functions of both a filter and regulator.
AirSectionKit  637421637421 - Air Section Service KitIncludes Items: 70, 132, 137-139, 144, 146, 147, 166, 167, 171-176, 180, 199, 200, 241-244 & Lubriplate grease.
ScreenedInletKit  67174-2067174-20 - Screened Inlet Adapter Kit (Optional Accessory)Prevents unwanted material and debris from entering pump. Kit includes screen and installation hardware.
DiaphragmFailureKit  6723767237 - Diaphragm Failure Detection Kit (Optional Accessory)Provides a warning signal of a diaphragm failure by sensing the presence of liquid in the air chamber of the pump.
Not Shown 4  204214-T204214-T - Diaphragm Assembly ToolRecommended for use when reassembling pump.
136  9633596335 - Plug - AluminumIncluded in Major Valve Service Kit.
137  Y325-32Y325-32 - O-Ring (1/16" x 2" OD) - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
138  9596695966 - "U" Cup (3/16" x 1.792" OD) - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
139  Y186-50Y186-50 - "U" Cup (3/16" x 1-1/4" OD) - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
140  9565095650 - Valve Insert - CeramicIncluded in Major Valve Service Assembly & Solenoid Service Kit.
141  9565995659 - Valve Plate - CeramicIncluded in Major Valve Service Assembly & Solenoid Service Kit.
166  9402694026 - Track Gasket - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
173  Y325-26Y325-26 - O-Ring (1/16" x 1-3/8" OD) - NitrileIncluded in Air Section Service Kit. Quantity: 2 required
176  9410294102 - Diaphragm (check valve) - PolyurethaneIncluded in Air Section Service Kit & Major Valve Service Assembly. Quantity: 2 required
199  9566695666 - Track Gasket - NitrileIncluded in Major Valve Service Assembly & Solenoid Service Kit.
200  9566595665 - Gasket - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
201  6721367213 - Muffler Kit (includes item 127)Includes item 127.
233  9633696336 - Adapter Plate - AluminumIncluded in Major Valve Service Kit.
241  9634496344 - Track Gasket - NitrileIncluded in Solenoid Service Kit.
242  Y325-5Y325-5 - O-Ring (1/16" x 7/32" OD) - NitrileIncluded in Solenoid Service Kit.
243|147  Y325-204Y325-204 - O-Ring (1/8" x 5/8" OD) - NitrileIncluded in Major Valve Service Assembly.
244|146  Y325-208Y325-208 - O-Ring (1/8" x 7/8" OD) - NitrileIncluded in Major Valve Service Assembly.
CycleCounter  67350-167350-1 - Cycle Counter Kit (Optional Accessory)Like the odometer on your car, ARO's cycle counter lets you know how many pump cycles have elapsed. For fluid inventory, preventative maintenance and fluid metering.
MajorValveAssy  637374-2637374-2 - Major Valve Service AssemblyIncludes Items: 105, 111, 128, 132, 135-141, 166, 176, 199, 200, 233, 240-244.
Muffler|201  9411794117 - Muffler (Optional)see pg. 7 of pdf manual.
101  9703197031 - Center Body - Aluminum
103  9739497394 - Bushing - Acetal
111  9565195651 - Spool - AcetalIncluded in Major Valve Service Assembly & Solenoid Service Kit.
118  9408394083 - Actuator Pin (0.250" x 2.276" long) - Stainless Steel Quantity: 2 required
121  9408494084 - Sleeve - Acetal Quantity: 2 required
127  9486094860 - 90° St. Elbow (1-1/2 - 11-1/2 N.P.T.)Included with Muffler Item #201.
128  Y29-42-SY29-42-S - Set Screw - Stainless SteelIncluded in Major Valve Service Assembly & Solenoid Service Kit. Quantity: 2 required
132  9409994099 - Gasket - NitrileIncluded in Air Section Service Kit, Major Valve Service Assembly & Solenoid Service Kit.
134  9592395923 - Screw (M6 x 1 - 6g x 35 mm) - Stainless Steel Quantity: 4 required
135  96334-196334-1 - Valve Housing - AluminumIncluded in Major Valve Service Kit.
167  6716467164 - Pilot Piston (includes 168 and 169) - AcetalIncluded in Air Section Service Kit.
168  9443394433 - O-Ring (3/32" x 5/8" OD) - Polyurethane Quantity: 2 required
169  Y240-9Y240-9 - "U" Cup (1/8" x 7/8" OD) - Nitrile
170  9408194081 - Piston Sleeve - Acetal
171  Y325-119Y325-119 - O-Ring (3/32" x 1-1/8" OD) - NitrileIncluded in Air Section Service Kit.
172  Y325-22Y325-22 - O-Ring (1/16" x 1-1/8" OD) - NitrileIncluded in Air Section Service Kit.
174|232  Y325-202Y325-202 - O-Ring (1/8" x 1/2" OD) - NitrileIncluded in Major Valve Service Assembly & Solenoid Service Kit. Y325-202 is used as items #147, 174, & 232. Quantity: 2 required
Not Shown  9427694276 - Lubriplate FML-2 greaseIncluded in Air Section Service Kit & Fluid Section Service Kit.
Not Shown 2  637308637308 - Lubriplate Grease Packets (10)
Not Shown 3  204130-T204130-T - O-Ring Service ToolAids in installation/removal of O-Rings onto Pilot Piston.
43  9300493004 - Ground Lug - Copper
105|240  9599195991 - Screw (M6 x 1 - 6g x 16 mm) - Stainless SteelIncluded in Solenoid Service Kit. Quantity: 2 required
128|76  Y17-50-SY17-50-S - Plug - Stainless SteelIncluded in Major Valve Service Assembly.
133  Y117-416-CY117-416-C - Lockwasher (1/4") - Carbon Steel Quantity: 3 required
134|105  9588795887 - Screw (M6 x 1 -6g) (20 mm long) - Stainless SteelIncluded in Major Valve Service Assembly & Solenoid Service Kit. Quantity: 4 required

Fluid Section Repair Parts

KeyPart NumberTitle
FluidSectionKit2  637309-HGG637309-HGG - Fluid Section Service Kit with SeatsIncludes Items: 21, 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.
FluidSectionKit  637309-GG637309-GG - Fluid Section Service Kit No SeatsIncludes Items: 22, 7, 8, 19, 70, 144, 174, 175 & Lubriplate Grease.
68  94715-194715-1 - Air Cap - Aluminum
69  94715-294715-2 - Air Cap - Aluminum
21  9435494354 - Seat - Hard Stainless SteelIncluded in Fluid Section Service Kit (with Seats version Only) Quantity: 4 required
15  9434694346 - Fluid Cap - Cast Iron Quantity: 2 required
19  Y325-237Y325-237 - O-Ring (1/8" x 3-5/8" o.d.) - NitrileIncluded in Fluid Section Service Kit Quantity: 4 required
7  96330-296330-2 - Diaphragm - NitrileIncluded in Fluid Section Service Kit Used as item #7 for -XXG models. See pg. 5 of pdf manual for details. Quantity: 2 required
1  9738697386 - Rod - Carbon Steel
22  93358-293358-2 - Ball (2-1/2" Diameter) - NitrileIncluded in Fluid Section Service Kit Quantity: 4 required
5|6  9650396503 - Diaphragm Washer - Aluminum96503 used as item #5 on all PP20 pumps & item #6 for select models. See pdf manual pg 6. Quantity: 2 required
60  94347-194347-1 - Inlet Manifold - Cast Iron
61  94348-194348-1 - Outlet Manifold - Cast Iron
63  Y17-28-CY17-28-C - Pipe Plug (2 - 11-1/2 NPT) - Carbon Steel Quantity: 2 required
5|6  94357-294357-2 - Diaphragm Washer - Stainless Steel94357-2 is used as both items 5 & 6. Quantity: 2 required
70  9410094100 - Gasket - NitrileIncluded in Air Section Service Kit & Fluid Section Service Kit. Quantity: 2 required
131  9453194531 - Screw (M10 x 1.5 - 6g x 120 mm) - Carbon Steel Quantity: 4 required
144  Y186-51Y186-51 - "U" Cup (3/16" x 1-3/8" OD) - NitrileIncluded in Air Section Service Kit & Fluid Section Service Kit. Quantity: 2 required
175  Y325-117Y325-117 - O-Ring (3/32" x 1-1/16" OD) - NitrileIncluded in Air Section Service Kit & Fluid Section Service Kit. Quantity: 2 required
14  Y5-111-TY5-111-T - Screw (5/8" - 18 x 2-1/2") - Stainless Steel Quantity: 2 required
26  94409-194409-1 - Screw (M10 x 1.5 - 6g x 34 mm) - Carbon Steel Quantity: 8 required
27  94990-194990-1 - Bolt (M10 x 1.5 - 6g x 45 mm) - Carbon Steel Quantity: 16 required
29  94992-194992-1 - Nut (M10 x 1.5 - 6h) - Carbon Steel Quantity: 16 required
9  9306593065 - Washer - Stainless Steel Quantity: 2 required
43  9300493004 - Ground Lug - Copper
74|126|255  Y17-51-SY17-51-S - Pipe Plug - Stainless Steel Quantity: 2 required
180  9409894098 - Gasket (0.406" ID x 0.031" thick) - CopperIncluded in Air Section Service Kit & Fluid Section Service Kit. Quantity: 4 required
63|126  Y17-13-SY17-13-S - Pipe Plug (1/4 - 18 NPT) - Stainless Steel

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