Skip to content
  • 905-738-1750

  • info@yorkhydraulics.ca

  • Home
  • About
  • Contact
  • Technical Documents
  • 905-738-1750

Aro PumpsAro Pumps
  • ARO Diaphragm Pumps
    • Diaphragm Pumps
  • Piston Pumps
    • Piston Pumps 2 Ball
    • Piston Pumps 4 Ball
    • Piston Pumps Chop-Check
  • Cylinders
  • Valves
  • FRL
Home / Diaphragm Pumps / 1/2" Classic Non-Metallic Diaphragm Pump

ARO 66605J-388 1/2″ Classic Style Non-Metallic Compact Series Diaphragm Pump

ARO 66605J-388 1/2″ Classic Style Non-Metallic Compact Series Diaphragm Pump. Polypropylene Fluid Caps & Manifold (1-Piece Manifold).13 GPM (49.2 LPM) Maximum Flow Rate, Polypropylene Seats, Polyurethane Balls, Polyurethane Diaphragm, 1/2 – 14 NPTF – 1 Connection. An Ingersoll Rand Business.

Catalogue Owner's Manual

Request a quote
SKU: 66605J-388 Categories: 1/2" Classic Non-Metallic Diaphragm Pump, Diaphragm Pumps
Recently Viewed
  • 637401-GGG - Fluid Section Service Kit with SeatsIncludes Items 21, 22, 7, 8, 19, 33, 70, 144, 174, 175, 180 & Lubriplate Grease. 637401-GGG - Fluid Section Service Kit with SeatsIncludes Items 21, 22, 7, 8, 19, 33, 70, 144, 174, 175, 180 & Lubriplate Grease.
  • ARO PM15S-CSS-AAA-A02 PM Series 1 1/2" Ported Sanitary Transfer Diaphragm Pump, FDA Compliant ARO PM15S-CSS-AAA-A02 PM Series 1 1/2" Ported Sanitary Transfer Diaphragm Pump, FDA Compliant
  • 637395-6 - Major Valve Service AssemblyIncludes Items: 76, 105, 111, 128, 132, 135, 136, 137, 138, 139, 140, 141, 166, 176, 200 and 233. 637395-6 - Major Valve Service AssemblyIncludes Items: 76, 105, 111, 128, 132, 135, 136, 137, 138, 139, 140, 141, 166, 176, 200 and 233.
  • 637427-TC - Fluid Section Service KitFluid Section Service Kit Includes: (4) Ball - 93100-4, (2) Diaphragm - 93465-9, (4) O-Ring - Y325-122, (2) U-Cup Packing - Y187-48, (2) O-Ring - Y325-105, 94276 Lubriplate grease. 637427-TC - Fluid Section Service KitFluid Section Service Kit Includes: (4) Ball - 93100-4, (2) Diaphragm - 93465-9, (4) O-Ring - Y325-122, (2) U-Cup Packing - Y187-48, (2) O-Ring - Y325-105, 94276 Lubriplate grease.
Kits section
637141 - Air Section Service KitAir Section Service Kit Includes: Symbol# 102, 119, 122, 130, 132, & 137-141 & Key-Lube.
Quick View

Kits

637141 – Air Section Service KitAir Section Service Kit Includes: Symbol# 102, 119, 122, 130, 132, & 137-141 & Key-Lube.

Description

ARO 66605J-388 1/2″ Classic Style Non-Metallic Compact Series Diaphragm Pump. Polypropylene Fluid Caps & Manifold (1-Piece Manifold).13 GPM (49.2 LPM) Maximum Flow Rate, Polypropylene Seats, Polyurethane Balls, Polyurethane Diaphragm, 1/2 – 14 NPTF – 1 Connection. An Ingersoll Rand Business.

Additional information
Air Inlet

1/4 – 18 NPTF – 1

CCN Number

81434433

Configuration

1-Piece Manifold

Connection Size

1/2"

Connection Type

1/2 – 14 NPTF – 1

Diaphragm

Polyurethane

Discharge Volume Per Cycle

0.04 Gal (0.15 lit)

Inlet Pressure (PSI)

100 psig (6.9 bar)

Liquid End Configuration

Polypropylene Fluid Caps & Manifold

Maximum Flow (GPM)

13 GPM (49.2 LPM)

Maximum Working Pressure (PSIG)

100 psi (6.9 bar)

Max Suction Lift

15 Feet (4.6m)

Model Series

1/2" Classic Style Non-Metallic Compact Series

Quick Specs

DIAP PUMP 1/2" POLY/URE

Solids (Inches)

3/32" (2.4mm)

Temperature Range

32° to 150° F (0° to 66° C)

Type

Standard Pump

Valve Balls

Polyurethane

Valve / Seat / O-Ring

Polypropylene

Air Section Repair Parts

KeyPart NumberTitle
AirSectionKit  637141637141 - Air Section Service KitAir Section Service Kit Includes: Symbol# 102, 119, 122, 130, 132, & 137-141 & Key-Lube.
Regulator  P29122-600P29122-600 - Piggyback Filter-Regulator (Optional Accessory)Filter-regulator, or “piggybacks,” combine the functions of both a filter and regulator.
WasteOilPkg1  612999-5612999-5 - Waste Oil Evacuation System Package 1 (Optional Accessory)Includes: Wall mount, inlet and outlet fluid hoses
WasteOilPkg2  612999-6612999-6 - Waste Oil Evacuation System Package 2 (Optional Accessory)Includes: Hanging bracket and suction hose
124  9324993249 - Stud (5/16" - 18 x 1-17/32") - Stainless SteelSee Pg. 5 Quantity: 8 required
136  9308693086 - Plug - AcetalIncluded in Major Valve Assembly.
137  Y325-125Y325-125 - O-Ring (3/32" x 1-1/2" OD) - NitrileIncluded in 637141 Air Section Repair Kit & Major Valve Assembly.
141  9327593275 - Valve Plate - CeramicIncluded in 637141 Air Section Repair Kit & Major Valve Assembly.
142  116038116038 - Washer - Zinc Quantity: 2 required
143  9308993089 - Plate - Stainless Steel Quantity: 2 required
129a  9309293092 - Exhaust Cover - PolyesterThe 129a exhaust cover and 201 muffler were standard until 9/92. They are available separately for service or piped exhaust applications.
MajorValveAssy  6636266362 - Major Valve Service AssemblyA major valve service assembly is available separately which includes items: 111, 132, 135 - 141.
101  9309193091 - Motor Body - Polypropylene
102  Y325-117Y325-117 - ‘‘O" Ring (3/32" x 1" OD) - NitrileIncluded in 637141 Air Section Repair Kit. Quantity: 2 required
103  9308793087 - Sleeve - Bronze"Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time.
104  3728537285 - Snap Ring (13/16") - Carbon Steel"Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time. Quantity: 2 required
111  9308593085 - Spool - AcetalIncluded in Major Valve Assembly.
118  9308893088 - Pilot Rod - Carbon Steel
122  7780277802 - Snap Ring (1/2") - Carbon SteelIncluded in 637141 Air Section Repair Kit. Quantity: 2 required
129  6697266972 - Muffler Assembly - Polypropylene
131  9309593095 - Bolt (5/16" - 18 x 1-1/4") - Stainless Steel Quantity: 8 required
132  93339-193339-1 - Gasket - NitrileIncluded in 637141 Air Section Repair Kit & Major Valve Assembly. Part no. 93339-1 one-piece gasket replaces the following parts (not shown) in models manufactured prior to October 1988, Y325-10 (4), Y325-12, 93093, 93094, Y325-8.
133  9309693096 - Washer (9/32" ID) - Stainless Steel Quantity: 4 required
134  Y6-419-TY6-419-T - Bolt (1/4" - 20 x 5") - Stainless Steel Quantity: 4 required
135  9309093090 - Valve Block - PolypropyleneIncluded in Major Valve Assembly.
WallMount  7676376763 - Wall Mount Bracket (Optional Accessory)Mounts are constructed of heavy-gauge, coated steel and include mounting hardware.
Not Shown  93706-193706-1 - Key-Lube O-Ring LubricantIncluded in 637141 Air Section Repair Kit & Fluid Section Repair Kits. Apply Key-Lube to all O-rings, U cups and mating parts.
Not Shown 2  637175637175 - 10 Pack of Key-LubeApply Key-Lube to all O-rings, U cups and mating parts.
119  9307593075 - O-Ring (1/8" x 3/4" OD) - PolyurethaneIncluded in 637141 Air Section Repair Kit. Quantity: 4 required
120  115959115959 - Spacer - Zinc"Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time. Quantity: 3 required
201  9311093110 - Muffler - Carbon SteelThe 129a exhaust cover and 201 muffler were standard until 9/92. They are available separately for service or piped exhaust applications.
130  9310793107 - Gasket - Syn-SealIncluded in 637141 Air Section Repair Kit.
138  9439594395 - Packing, "U" Cup (1/8" x 1" OD) - PolyurethaneIncluded in 637141 Air Section Repair Kit & Major Valve Assembly.
139  9638396383 - Packing, "U" Cup (1/8" x 1 .427" OD) - PolyurethaneIncluded in 637141 Air Section Repair Kit & Major Valve Assembly.
140  9327693276 - Valve Insert - CeramicIncluded in 637141 Air Section Repair Kit & Major Valve Assembly.

Fluid Section Repair Parts

KeyPart NumberTitle
60  93802-193802-1 - Manifold, Inlet (bottom) - Polypropylene
61  93801-193801-1 - Manifold, Outlet (top) - Polypropylene
41a  93097-193097-1 - Ball Cage - Polypropylene Quantity: 4 required
41b  93120-193120-1 - Sleeve - Polypropylene(models 66605X-0XX) Quantity: 4 required
15  93105-193105-1 - Fluid Cap - PolypropyleneIncludes 26 and 124 Quantity: 2 required
20  9311793117 - O-Ring (1-1/8" OD) - PolyurethaneIncluded in Fluid Section Service Kit. Quantity: 2 required
21  93098-193098-1 - Seat - Polypropylene Quantity: 4 required
26  9310993109 - Bolt (5/16" - 18 x 1-1/2") - Stainless Steel Quantity: 8 required
6  93103-193103-1 - Diaphragm Nut (5/16" - 18) - Polypropylene"Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time. Quantity: 2 required
63|126  93897-193897-1 - Plug (1/2 - 14 NPT) - Polypropylene Quantity: 6 required
7  9311293112 - Diaphragm - PolyurethaneIncluded in Fluid Section Service Kit. Used as Item 7 for -XX8 & -0X8 models. See pg. 4 of pdf manual for details. Quantity: 2 required
19  9311993119 - O-Ring (1-5/16" OD) - PolyurethaneIncluded in Fluid Section Service Kit. Quantity: 4 required
22  93100-893100-8 - Ball 3/4" Dia. - PolyurethaneIncluded in Fluid Section Service Kit. Quantity: 4 required
1  9308493084 - Rod - Stainless Steel"Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time.
2|238  Y325-111Y325-111 - O-Ring (3/32" x 5/8" OD) - NitrileIncluded in Fluid Section Service Kit.
5  9464594645 - Washer (2" OD) - Glass Filled Nylon Quantity: 2 required
29|62  9388693886 - Flange Nut (5/16" - 18) - Stainless Steel Quantity: 24 required

8481 KEELE STREET UNIT 3 CONCORD, ON, L4K 1Z7 CANADA

PHONE (905) 738-1750 | FAX (905) 738-1750 | E-MAIL info@yorkhydraulics.ca

Copyright 2026 © York Hydraulics Ltd.
  • ARO Diaphragm Pumps
    • Diaphragm Pumps
  • Piston Pumps
    • Piston Pumps 2 Ball
    • Piston Pumps 4 Ball
    • Piston Pumps Chop-Check
  • Cylinders
  • Valves
  • FRL
  • Login
  • Newsletter
  • info@yorkhydraulics.ca

Login

Lost your password?