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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), a maximum head of 289 ft, and a maximum solid diameter of 0.5 in. Its wetted housing…

SKU 3G-OTH-85706

Also listed as: 66M3001EBC · 66M300 1EB C

Brand
ARO
Item
3 in Air-Operated Double-Diaphragm Dewatering Pump
Part Number
66M300-1EB-C
Category
Air-Operated Double-Diaphragm Dewatering Pumps
Available to Order
Also known as:66M300-1EB-CARO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARO
Manufacturer Part Number
66M300-1EB-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), a maximum head of 289 ft, and a maximum solid diameter of 0.5 in. Its wetted housing, non-wetted housing, and check seat are all constructed of aluminum. This pump is designed for dewatering applications and operates on compressed air.

Frequently Asked Questions

What is the ARO 66M300-1EB-C double diaphragm pump used for?

The ARO 66M300-1EB-C is an air-operated double-diaphragm dewatering pump designed to move water and light slurries in construction, mining, and industrial sump applications. Its 0.5 in solid-handling capability and 289 ft max head make it suitable for high-lift drainage and fluid transfer in harsh environments.

What are the specifications of the ARO 66M300-1EB-C pump?

The ARO 66M300-1EB-C has 3 in NPT inlet and outlet ports, a maximum head of 289 ft, and handles solids up to 0.5 in diameter. Its wetted housing, non-wetted housing, and check seat are all aluminum. It operates on compressed air and is designed for dewatering applications.

Where to buy the ARO 66M300-1EB-C pump worldwide?

3G Electric supplies the ARO 66M300-1EB-C double diaphragm pump to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ARO dewatering pump.

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

To select the right ARO pump, match the inlet/outlet size (3 in NPT) to your piping, ensure the max head (289 ft) exceeds your lift requirement, and confirm the solid-handling capacity (0.5 in) accommodates debris. Aluminum construction suits non-corrosive fluids. Consult 3G Electric for application guidance.

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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Compatible alternatives & equivalents

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This submersible air-operated dewatering pump features a cast iron body and impeller, delivering 200 gpm at 10 feet of head with a maximum head of 90 feet. Designed for fluid transfer in industrial dewatering applications, it is suitable for removing water from pits, trenches, and flooded areas where compressed air is available
This ARO aluminum housing air-operated double-diaphragm pump features 2-inch NPT connections, delivering up to 196 gpm with a maximum head of 289 ft. Buna-N seat and check valve materials provide compatibility with water-based fluids, mild chemicals, and slurries. Typical applications include fluid transfer in industrial processing, wastewater treatment, and mining operations
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This ARO aluminum housing air-operated double-diaphragm pump features 2-inch NPT connections, delivering up to 196 gpm with a maximum head of 289 ft. Buna-N seat and check valve materials provide compatibility with water-based fluids, mild chemicals, and slurries. Typical applications include fluid transfer in industrial processing, wastewater treatment, and mining operations
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Aluminum housing air-operated double-diaphragm pump with 2-inch NPT connections. Delivers 172 gpm flow and 27.2 ft max head. Features PTFE check valve, 316 stainless steel seat, and PTFE diaphragm with Santoprene backing. Suitable for fluid transfer in industrial processing and chemical handling applications

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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
ARO
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
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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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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This air-operated double-diaphragm pump features 3-inch NPT inlet and outlet, with a maximum air inlet pressure of 120 psig and a maximum flow rate of 217 gpm. The check seat and non-wetted housing are constructed of aluminum. Typical applications include dewatering in construction, mining, and industrial fluid transfer
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This ARO air-operated double-diaphragm pump features 2-inch NPT inlet and outlet, a maximum air inlet pressure of 120 psig, and a maximum flow rate of 156 gpm. The pump has an aluminum check seat and aluminum non-wetted housing. It is used for dewatering and fluid transfer in construction, mining, and industrial applications, handling water, slurries, and viscous liquids

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