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ARO 637118-C Air End Repair Kit for Double Diaphragm Pumps - ARO Air-End Repair Kits for Double Diaphragm Pumps
AROARO Air-End Repair Kits for Double Diaphragm Pumps

ARO 637118-C Air End Repair Kit for Double Diaphragm Pumps

The ARO Air End Repair Kit, model 637118-C, is a service kit designed for ARO double diaphragm pumps. This kit includes U-Cups to facilitate air-end maintenance and repair.

SKU 3G-OTH-85523

Also listed as: 637118C · 637118 C

Brand
ARO
Item
637118-C Air End Repair Kit for Double Diaphragm Pumps
Part Number
637118-C
Category
ARO Air-End Repair Kits for Double Diaphragm Pumps
Available to Order
Also known as:637118-CARO
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Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

ARO
Manufacturer Part Number
637118-C
UNSPSC
40151548
Includes
Air Valve Retaining Rings U-Cups
Catalog Page
2545
Product Type
Air End Repair Kit
Number of Seals
24
Country of Origin
USA (subject to change)
Number of Gaskets
2
Number of O-Rings
21
Product Description
These kits replace air-end components for ARO double diaphragm pumps.
Compatible with Brand
ARO
Compatible with Series
PRO
Compatible with Pump Type
Air Operated Double Diaphragm Pump
Compatible with Mfr. Model No.
650718-C 650719-C 666100-3EB-C 666150-3EB-C 6661A3-344-C 6661A3-34B-C 6661U3-311-C 6661U3-344-C 6662B3-311-C 6662B3-344-C
Compatible Connection Media Type
Air

Technical Documents

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ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO Air End Repair Kit, model 637118-C, is a service kit designed for ARO double diaphragm pumps. This kit includes U-Cups to facilitate air-end maintenance and repair.

Frequently Asked Questions

What is the ARO 637118-C air end repair kit used for?

The ARO 637118-C air end repair kit is used to service the air motor section of ARO double diaphragm pumps. It includes U-cups to replace worn seals, restoring pump performance and preventing air leaks in industrial fluid-handling applications.

What are the specifications of the ARO 637118-C air end repair kit?

The ARO 637118-C air end repair kit is a service kit for ARO double diaphragm pumps. It includes U-cups and is classified as an air end repair kit. The manufacturer part number is 637118-C, and the brand is ARO.

Where to buy the ARO 637118-C air end repair kit worldwide?

3G Electric supplies the ARO 637118-C air end repair kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this genuine ARO service kit for your double diaphragm pump.

How to install the ARO 637118-C air end repair kit?

To install the ARO 637118-C air end repair kit, first isolate and depressurize the pump. Disassemble the air end, remove old seals, and clean all surfaces. Lubricate the new U-cups and reassemble per the pump manual. Torque fasteners to specification and test for leaks.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and 316 SS wetted parts for corrosive fluid transfer
Food and beverage — FDA-compliant ARO AODD pump SD20S-CSS-SMM-B00 with Santoprene diaphragm and Tri-Clamp connections
Water treatment — ARO air control valves and FRL units for pneumatic control in filtration and dosing systems
General manufacturing — ARO air-end repair kits and O-rings for maintaining double diaphragm pumps in assembly lines
Pharmaceutical — ARO sanitary AODD pumps with 316 SS check valves for shear-sensitive and sterile fluid handling
Oil and gas — ATEX-rated ARO FRL units and air control valves for use in hazardous atmospheres
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ARO Products

3G Electric supplies ARO aro air-end repair kits for double diaphragm pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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