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ARO 66M250-122-C Air-Operated Double-Diaphragm Dewatering Pump - Air-Operated Double-Diaphragm Dewatering Pumps
AROAir-Operated Double-Diaphragm Dewatering Pumps

ARO 66M250-122-C Air-Operated Double-Diaphragm Dewatering Pump

The ARO Double Diaphragm Pump: 2 in is an air-operated double-diaphragm dewatering pump with a 2-inch inlet and outlet, NPT connections, a maximum head of 289 ft, and a maximum solid diameter of 0.5 in. Its wetted…

SKU 3G-OTH-85563

Also listed as: 66M250122C · 66M250 122 C

Brand
ARO
Item
66M250-122-C Air-Operated Double-Diaphragm Dewatering Pump
Part Number
66M250-122-C
Category
Air-Operated Double-Diaphragm Dewatering Pumps
Available to Order
Also known as:66M250-122-CARO
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Technical Specifications

ARO
Manufacturer Part Number
66M250-122-C
Type
2 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: 2 in is an air-operated double-diaphragm dewatering pump with a 2-inch inlet and outlet, NPT connections, a maximum head of 289 ft, and a maximum solid diameter of 0.5 in. Its wetted housing, check seat, and non-wetted housing are all constructed from aluminum.

Frequently Asked Questions

What is the ARO Double Diaphragm Pump 66M250-122-C used for?

The ARO Double Diaphragm Pump 66M250-122-C is an air-operated double-diaphragm dewatering pump designed for transferring water, slurries, and fluids with solids up to 0.5 in diameter. 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 Double Diaphragm Pump 66M250-122-C?

The ARO Double Diaphragm Pump 66M250-122-C features 2 in NPT inlet and outlet connections, a maximum head of 289 ft, and handles solids up to 0.5 in diameter. Its wetted housing, check seat, and non-wetted housing are all constructed from aluminum. The pump is air-operated and designed for dewatering applications.

Where to buy the ARO Double Diaphragm Pump 66M250-122-C worldwide?

You can source the ARO Double Diaphragm Pump 66M250-122-C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine ARO pumps to industrial buyers internationally.

How to select the right ARO Double Diaphragm Pump for dewatering?

To select the right ARO double diaphragm pump, match the inlet/outlet size (e.g., 2 in NPT) to your piping, ensure the maximum head (289 ft) exceeds your required discharge pressure, and verify the solid-handling capacity (0.5 in) accommodates your fluid debris. Aluminum construction suits non-corrosive fluids; consult ARO's technical data for material compatibility.

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 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
This submersible air-operated dewatering pump delivers 230 gpm at 10 feet of head with a maximum head of 240 feet. It features a cast iron body and impeller, and a 2-inch FNPT connection. Suitable for removing water from flooded areas, construction sites, and industrial sumps
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This ARO air-operated double-diaphragm pump features a polypropylene housing and 1/2" NPT connections. It delivers 12 gpm with a maximum head of 15 ft. The pump includes PTFE check valves, an aluminum seat, and a PTFE diaphragm with Santoprene backing, suitable for transferring a variety of fluids in industrial process applications
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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 2-inch air-operated double-diaphragm dewatering pump features NPT inlet and outlet connections, a maximum head of 289 ft, and handles solids up to 0.5 inches in diameter. The wetted and non-wetted housings and check seats are constructed of aluminum. It is suited for dewatering, fluid transfer, and handling solids-laden liquids in industrial settings
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This 2-inch air-operated double-diaphragm dewatering pump features NPT inlet and outlet connections, a maximum head of 289 ft, and handles solids up to 0.5 inches in diameter. The wetted and non-wetted housings and check seats are constructed of aluminum. It is suited for dewatering, fluid transfer, and handling solids-laden liquids in industrial settings
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This air-operated double-diaphragm pump features 3 in NPT inlet and outlet, a maximum head of 289 ft, and handles solids up to 0.5 in diameter. Wetted and non-wetted housings are aluminum, with an aluminum check seat. Suitable for dewatering applications in construction, mining, and industrial sumps
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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
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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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 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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