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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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Technical specs
1-Day Quote
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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 check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.
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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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