ARO Diaphragm Pump: 316 Stainless Steel Body, 1 1/2 in, NPT Connection, 90 gpm
The ARO Diaphragm Pump with a 316 Stainless Steel Body (MPN 666151-2A4-C) is an aluminum housing AODD pump featuring a 1 1/2 in NPT connection, 90 gpm flow rate, and 275 ft max. head. It is equipped with 316 SS seat…
SKU 3G-OTH-89761
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Product Description
The ARO Diaphragm Pump with a 316 Stainless Steel Body (MPN 666151-2A4-C) is an aluminum housing AODD pump featuring a 1 1/2 in NPT connection, 90 gpm flow rate, and 275 ft max. head. It is equipped with 316 SS seat material, SS check valve material, and a PTFE diaphragm with Santoprene backing.
Frequently Asked Questions
What is the ARO diaphragm pump 666151-2A4-C used for?
The ARO diaphragm pump 666151-2A4-C is used for transferring fluids in industrial applications such as chemical processing, water treatment, and oil and gas. Its 316 stainless steel body and PTFE diaphragm with Santoprene backing handle corrosive and abrasive liquids, while the 90 gpm flow rate and 275 ft max. head suit demanding transfer tasks.
What are the specifications of the ARO diaphragm pump 666151-2A4-C?
The ARO diaphragm pump 666151-2A4-C has a 316 stainless steel body, 1 1/2 in NPT connection, 90 gpm flow rate, and 275 ft max. head. It features 316 SS seat material, SS check valve material, and a PTFE diaphragm with Santoprene backing. The housing is aluminum, and the manufacturer part number is 666151-2A4-C.
Where to buy the ARO diaphragm pump 666151-2A4-C worldwide?
You can source the ARO diaphragm pump 666151-2A4-C worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine ARO pumps to customers across industries.
How to select the right ARO diaphragm pump for your application?
To select the right ARO diaphragm pump, match the wetted materials to your fluid's chemical compatibility. For corrosive fluids, choose a 316 stainless steel body with PTFE diaphragm and Santoprene backing, as in model 666151-2A4-C. Also consider flow rate (90 gpm) and head (275 ft) to meet system pressure and volume requirements.
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3G Electric supplies ARO aluminum housing aodd pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

