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AROAir-Operated Double-Diaphragm Dewatering Pumps

ARO 66M250-1C9-C Air-Operated Double-Diaphragm Dewatering Pump

The ARO Diaphragm Pump: 2 in is an air-operated double-diaphragm dewatering pump (SKU 3G-OTH-85686). It features a 2-inch NPT inlet and outlet, a maximum air inlet pressure of 120 psig, and a maximum flow rate of 156…

SKU 3G-OTH-85686

Also listed as: 66M2501C9C · 66M250 1C9 C

Brand
ARO
Item
66M250-1C9-C Air-Operated Double-Diaphragm Dewatering Pump
Part Number
66M250-1C9-C
Category
Air-Operated Double-Diaphragm Dewatering Pumps
Available to Order
Also known as:66M250-1C9-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
66M250-1C9-C
Type
2 in, Air, 120 psig Air Inlet Pressure, NPT, NPT
Flow Rate (Max)
156 gpm
Check Seat Material
Aluminum
Non-Wetted Housing Material
Aluminum

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

Product Description

The ARO Diaphragm Pump: 2 in is an air-operated double-diaphragm dewatering pump (SKU 3G-OTH-85686). It features a 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 material and an aluminum non-wetted housing material.

Frequently Asked Questions

What is the ARO 2-inch diaphragm pump used for?

The ARO 2-inch air-operated double-diaphragm pump is designed for dewatering applications in construction, mining, and industrial fluid transfer. It handles water, slurries, and viscous liquids, making it suitable for sump pumping, wastewater, and general process pumping where reliable, self-priming operation is required.

What are the specifications of the ARO diaphragm pump 66M250-1C9-C?

The ARO pump model 66M250-1C9-C has 2-inch NPT inlet and outlet, maximum air inlet pressure of 120 psig, and maximum flow rate of 156 gpm. It features an aluminum check seat and aluminum non-wetted housing. This air-operated double-diaphragm pump is built for heavy-duty dewatering and fluid transfer.

Where to buy the ARO 2-inch diaphragm pump worldwide?

You can source the ARO 2-inch diaphragm pump (MPN 66M250-1C9-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 on this ARO pump.

How to select the right ARO diaphragm pump for dewatering?

Select an ARO diaphragm pump based on required flow rate, inlet pressure, and material compatibility. For dewatering, the 2-inch model with 156 gpm max flow and 120 psig air inlet suits most jobs. Ensure the aluminum housing and check seat are compatible with your fluid. Consult 3G Electric for sizing assistance.

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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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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This ARO air-operated double-diaphragm pump features an aluminum housing and 1-inch NPT connections. It delivers up to 35 gpm with a maximum head of 270 ft. The pump includes a polypropylene (PP) seat and Hytrel check valve, suitable for fluid transfer in industrial applications such as chemical processing, water treatment, and general manufacturing
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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 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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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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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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