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ARO 3 in Air-Operated Double-Diaphragm Dewatering Pump - Air-Operated Double-Diaphragm Dewatering Pumps
AROAir-Operated Double-Diaphragm Dewatering Pumps

ARO 3 in Air-Operated Double-Diaphragm Dewatering Pump

The ARO Double Diaphragm Pump: 3 in is an air-operated double-diaphragm dewatering pump with a 3 in inlet and outlet, NPT connections, and a maximum head of 289 ft. It handles solids up to 0.5 in diameter and…

SKU 3G-OTH-85648

Also listed as: 66M300122C · 66M300 122 C

Brand
ARO
Item
3 in Air-Operated Double-Diaphragm Dewatering Pump
Part Number
66M300-122-C
Category
Air-Operated Double-Diaphragm Dewatering Pumps
Available to Order
Also known as:66M300-122-CARO
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ARO
Manufacturer Part Number
66M300-122-C
Type
3 in, Air, NPT, NPT
Max. Head
289 ft
Max. Dia. Solids
0.5 in
Check Seat Material
Aluminum
Wetted Housing Material
Aluminum
Non-Wetted Housing Material
Aluminum

Technical Documents

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

Product Description

The ARO Double Diaphragm Pump: 3 in is an air-operated double-diaphragm dewatering pump with a 3 in inlet and outlet, NPT connections, and a maximum head of 289 ft. It handles solids up to 0.5 in diameter and features aluminum wetted housing, check seat, and non-wetted housing materials.

Frequently Asked Questions

What is the ARO Double Diaphragm Pump 66M300-122-C used for?

The ARO Double Diaphragm Pump 66M300-122-C is an air-operated dewatering pump designed for transferring water, slurries, and fluids with solids up to 0.5 in. It is commonly used in construction, mining, and industrial sump applications where reliable, self-priming fluid handling is required.

What are the specifications of the ARO 3 in double diaphragm pump?

The ARO 3 in double diaphragm pump (MPN 66M300-122-C) features a 3 in NPT inlet and outlet, 289 ft maximum head, and handles solids up to 0.5 in diameter. Wetted and non-wetted housings are aluminum; check seat material is also aluminum. It is air-operated and self-priming.

Where to buy the ARO 66M300-122-C pump worldwide?

3G Electric supplies the ARO 66M300-122-C pump worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time; we source and deliver this ARO pump to any international destination.

How to select the right ARO double diaphragm pump for dewatering?

To select the right ARO double diaphragm pump, match the inlet/outlet size (3 in NPT) to your piping, ensure maximum head (289 ft) exceeds your lift requirement, and confirm solids handling (0.5 in) accommodates debris. For air-operated models, verify air supply pressure and flow. 3G Electric can assist with sizing.

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 air-operated double-diaphragm dewatering pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This ARO aluminum housing AODD pump features a 1 1/2 in NPT connection, 90 gpm flow rate, and 275 ft maximum head. It includes a PTFE valve, 316 SS seat, PTFE check valve, and a diaphragm of PTFE with Santoprene backing. Suitable for fluid transfer in industrial applications requiring corrosion resistance

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This air-operated double-diaphragm pump features 1-1/2 in NPT connections, a maximum head of 289 ft, and handles solids up to 0.5 in diameter. The wetted and non-wetted housings are aluminum, with aluminum check seats. Suitable for dewatering applications in industrial, construction, and mining settings, transferring water, slurries, and abrasive fluids
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ARO 66M300-1EB-C is a 3 in air-operated double-diaphragm pump with NPT inlet and outlet, designed for dewatering applications. It delivers a maximum head of 289 ft and handles solids up to 0.5 in diameter. Wetted and non-wetted housings and check seat are aluminum. Operates on compressed air for fluid transfer in construction, mining, and industrial sump drainage
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Air-operated double-diaphragm dewatering pump with 1 1/2 in NPT inlet and outlet. Max head 289 ft, handles solids up to 0.5 in diameter. Wetted and non-wetted housing and check seat are aluminum. Used for transferring water, slurries, and abrasive liquids in industrial, construction, and mining dewatering applications
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This air-operated double-diaphragm pump features 2-inch NPT inlet and outlet connections, a maximum head of 289 ft, and handles solids up to 0.5 inches in diameter. The wetted housing, check seat, and non-wetted housing are constructed from aluminum. Typical applications include dewatering in construction, mining, and industrial sump operations, as well as transferring water, slurries, and fluids containing solids
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