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International brand dossier

Armstrong Pumps

Armstrong Fluid Technology is a fluid-flow equipment manufacturer incorporated in 1934, now known for intelligent pumps, valves, heat exchangers, controls, and integrated plant packages.In water-related systems it is relevant where HVAC, district energy, building services, heat transfer, fire protection, and digital pump optimization intersect with plant water management.

Armstrong Pumps's position in pumps and pumping equipment is defined by product families such as End Suction Base Mounted Pumps, Stock Motor Pumps, Motor Mounted Pumps and Vertical In-Line Pumps.

The portfolio is best understood inside raw water intake, RO/NF feed, transfer, boosting, chemical dosing, wastewater lift, and desalination hydraulics, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.Representative series on this page include Series 4030, Series 4270 and Series 4280.Selection should focus on flow, head, efficiency, NPSH margin, wetted materials, seals, and drive arrangement.

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Indexed models

6

Product families

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Subgroups

Model index

Product range and selection

How to choose Armstrong Pumps & Pumping

This section answers two questions: which main product families Armstrong offers, and which parameters to compare before choosing a specific model.

Step 1: Choose a product family by application

The main families shown on this page are End Suction Base Mounted Pumps, Stock Motor Pumps, Motor Mounted Pumps, and Vertical In-Line Pumps. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.

Step 2: Confirm the model by key parameters

After choosing a product family, compare flow and head, materials, efficiency, and duty cycle. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.

Product family overview

6 product familys on this page.

End Suction Base Mounted Pumps

1 model in this family. Representative models: Series 4030.

Stock Motor Pumps

1 model in this family. Representative models: Series 4270.

Motor Mounted Pumps

1 model in this family. Representative models: Series 4280.

Vertical In-Line Pumps

2 models in this family. Representative models: Series 4300, Series 4360 & 4380.

Vertical Multistage Pumps

1 model in this family. Representative models: Series 4700.

HSC Pumps

1 model in this family. Representative models: Series 4600.

Quick Model Index

Fast lookup for 7 indexed products

The table is intentionally compact: use it to scan model names, product families, and source links quickly. Open the profile cards below when you want richer context.

Product profile cards

End Suction Base Mounted Pumps

1 indexed model

ModelApplicationSources
Series 4030Armstrong Series 4030 is a horizontal, base-mounted centrifugal pump with a back pull-out design and a self-venting, radially split casing.

Stock Motor Pumps

1 indexed model

ModelApplicationSources
Series 4270The Armstrong Series 4270 is a motor-mounted centrifugal pump designed for cooling towers, HVAC, and general-purpose applications.

Motor Mounted Pumps

1 indexed model

ModelApplicationSources
Series 4280The Armstrong Series 4280 is a motor-mounted, single-stage centrifugal pump designed for horizontal end suction applications.

Vertical In-Line Pumps

2 indexed models

ModelApplicationSources
Series 4300The Armstrong Series 4300 are single-stage, vertical in-line split coupled pumps designed for commercial HVAC applications.
Series 4360 & 4380The Armstrong Series 4360 and 4380 are close-coupled, single-stage, vertical in-line pumps designed for applications like cooling, heating, and pressure boosting.

Vertical Multistage Pumps

1 indexed model

ModelApplicationSources
Series 4700Armstrong Series 4700 Vertical Multistage Pumps are designed for high-efficiency performance in industrial and building services.

HSC Pumps

1 indexed model

ModelApplicationSources
Series 4600The Armstrong Series 4600 is a single-stage, double-suction horizontal split case centrifugal pump designed for HVAC and industrial applications.

Brand Technical Documents

7 readable document pages

These document pages collect product manuals, model notes, accessory documents, and application files for this brand in the current category. Open the PDF when original tables, diagrams, or full manuals are needed.

Series 4030

Armstrong Series 4030 is a horizontal, base-mounted centrifugal pump with a back pull-out design and a self-venting, radially split casing.

Series 4270

The Armstrong Series 4270 is a motor-mounted centrifugal pump designed for cooling towers, HVAC, and general-purpose applications.

Series 4280

The Armstrong Series 4280 is a motor-mounted, single-stage centrifugal pump designed for horizontal end suction applications.

Series 4300

The Armstrong Series 4300 are single-stage, vertical in-line split coupled pumps designed for commercial HVAC applications.

Series 4360 & 4380

The Armstrong Series 4360 and 4380 are close-coupled, single-stage, vertical in-line pumps designed for applications like cooling, heating, and pressure boosting.

Series 4600

The Armstrong Series 4600 is a single-stage, double-suction horizontal split case centrifugal pump designed for HVAC and industrial applications.

Series 4700

Armstrong Series 4700 Vertical Multistage Pumps are designed for high-efficiency performance in industrial and building services.

AI-ready Product Profiles

Product cards for screening and future AI matching

These cards are designed as reusable product profiles: the same format can later appear in AI search results, shortlist views, and assisted product matching.

End Suction Base Mounted Pumps

1 profile card

Pumps & Pumping
Armstrong logo

Product profile

Series 4030

Armstrong Series 4030 is a horizontal, base-mounted centrifugal pump with a back pull-out design and a self-venting, radially split casing.

Stock Motor Pumps

1 profile card

Pumps & Pumping
Armstrong logo

Product profile

Series 4270

The Armstrong Series 4270 is a motor-mounted centrifugal pump designed for cooling towers, HVAC, and general-purpose applications.

Motor Mounted Pumps

1 profile card

Pumps & Pumping
Armstrong logo

Product profile

Series 4280

The Armstrong Series 4280 is a motor-mounted, single-stage centrifugal pump designed for horizontal end suction applications.

Vertical In-Line Pumps

2 profile cards

Pumps & Pumping
Armstrong logo

Product profile

Series 4300

The Armstrong Series 4300 are single-stage, vertical in-line split coupled pumps designed for commercial HVAC applications.

Pumps & Pumping
Armstrong logo

Product profile

Series 4360 & 4380

The Armstrong Series 4360 and 4380 are close-coupled, single-stage, vertical in-line pumps designed for applications like cooling, heating, and pressure boosting.

Vertical Multistage Pumps

1 profile card

Pumps & Pumping
Armstrong logo

Product profile

Series 4700

Armstrong Series 4700 Vertical Multistage Pumps are designed for high-efficiency performance in industrial and building services.

HSC Pumps

1 profile card

Pumps & Pumping
Armstrong logo

Product profile

Series 4600

The Armstrong Series 4600 is a single-stage, double-suction horizontal split case centrifugal pump designed for HVAC and industrial applications.