We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Image not available
AROARO Air-End Repair Kits for Double Diaphragm Pumps

ARO 637390-3 Air Valve Repair Kit for Double Diaphragm Pumps

The ARO Air Valve Repair Kit, model 637390-3, is an air valve repair kit designed for use with ARO air-end repair kits for double diaphragm pumps. This product is manufactured by ARO and is identified by the…

SKU 3G-OTH-86123

Also listed as: 6373903 · 637390 3

Brand
ARO
Item
637390-3 Air Valve Repair Kit for Double Diaphragm Pumps
Part Number
637390-3
Category
ARO Air-End Repair Kits for Double Diaphragm Pumps
Available to Order
Also known as:637390-3ARO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
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.

Technical Specifications

ARO
Manufacturer Part Number
637390-3
Product Type
Air Valve Repair Kit

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The ARO Air Valve Repair Kit, model 637390-3, is an air valve repair kit designed for use with ARO air-end repair kits for double diaphragm pumps. This product is manufactured by ARO and is identified by the manufacturer part number 637390-3.

Frequently Asked Questions

What is the ARO 637390-3 air valve repair kit used for?

The ARO 637390-3 air valve repair kit is used to rebuild the air valve on ARO double diaphragm pumps. It restores proper air distribution and pump cycling, reducing downtime in industrial fluid-handling applications such as chemical transfer, paint circulation, and wastewater treatment.

What are the specifications of the ARO 637390-3 air valve repair kit?

The ARO 637390-3 is an air valve repair kit manufactured by ARO. It is designed for use with ARO air-end repair kits for double diaphragm pumps. The manufacturer part number is 637390-3, and the product type is an air valve repair kit.

Where to buy the ARO 637390-3 air valve repair kit worldwide?

3G Electric supplies the ARO 637390-3 air valve repair kit worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine ARO part.

How to install the ARO 637390-3 air valve repair kit?

To install the ARO 637390-3 air valve repair kit, first depressurize and disconnect the pump. Remove the old air valve assembly, clean the mounting surface, and install the new seals and components from the kit per the pump service manual. Reassemble and test for proper cycling.

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.
Not sure this is the right part? Photo-identify it

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.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

More from ARO

View all ARO parts
This air end repair kit is designed for servicing the air motor section of ARO double diaphragm pumps. It includes U-cups to replace worn seals, helping restore pump performance and prevent air leaks in fluid-handling applications
ARO
This air end repair kit is designed for servicing the air motor section of ARO double diaphragm pumps. It includes U-cups to replace worn seals, helping restore pump performance and prevent air leaks in fluid-handling applications
ARO
ARO
This air end repair kit is designed for servicing the air end of ARO double diaphragm pumps. It includes U-cups to replace worn seals, helping restore pump performance in fluid-handling applications
ARO
ARO
This air end repair kit is designed for servicing the air distribution system of ARO double diaphragm pumps. The kit includes air valve retaining rings to replace worn components, helping restore pump performance in industrial fluid-handling applications
ARO
ARO
This air valve repair kit is designed for servicing the air valve assembly on ARO double diaphragm pumps. It includes components to restore proper air distribution, supporting continued pump operation in fluid-handling applications such as chemical transfer, paint circulation, and wastewater treatment
ARO
ARO
Air valve repair kit for ARO double diaphragm pumps. Includes seals, gaskets, and valve components to rebuild the air valve, restoring proper air distribution and preventing stalling or erratic operation. Suitable for industrial fluid-handling applications
ARO
ARO
This air end repair kit is designed for servicing the air end of double diaphragm pumps. It includes U-Cups to replace worn seals, helping restore pump performance and prevent air leaks. Suitable for maintenance in fluid-handling applications
ARO
ARO
This air valve repair kit is used to rebuild the air valve on double diaphragm pumps. It restores proper air distribution and prevents stalling or erratic cycling. Suitable for maintenance in fluid transfer applications
ARO
ARO
This air valve repair kit is designed for servicing the air valve component of ARO double diaphragm pumps. It includes seals and gaskets to rebuild the air valve, restoring proper air distribution and preventing stalling. Suitable for industrial fluid-handling applications such as chemical transfer and paint circulation

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first