Armstrong Circulating Pumps - Circulators - ARMSEAL leak-proof construction

ARMSTRONG PUMPS AND CIRCULATORS

Armstrong circulating pumps are engineered for dependability and serviceability with a full 2-year warranty. They feature a convenient radially split body that can be left in-line while servicing. Armstrong circulators are designed for efficient, trouble-free use in residential and commercial hot water heating systems. These pumps feature quiet operating, vibration-free motors that meet NEMA specifications. All Armstrong circulators (except Astro series) feature ARMSEAL leak-proof construction.

'S' & 'H' SERIES
Both S and H Series circulators feature the unique Armstrong shaft and bearing module for ease of serviceability and maximum interchangeability. Oversized shafts are machined from alloy steel to exact tolerances. Impellers are constructed from non-ferrous material and are designed for optimal water delivery. Available in bronze-fitted and all-bronze construction.

1050/1060 SERIES
These custom circulators feature the classic horizontal in-line design, and are engineered for durability and smooth operation. Designed for large flow applications, impellers and motors are fine-tuned to meet the exact system requirements. Available in all-bronze and bronze-fitted construction.

ASTRO SERIES
The ASTRO line of circulators offers breakthrough engineering in a compact, glandless circulator that features a replacement cartridge. Available with self-lubricated bearings, a vent plug for initial purging, and a dynamically balanced stainless steel rotor assembly. These circulators eliminate the worry of mechanical seal or coupler alignment failure.

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ARMSTRONG HORIZONTAL PUMPS

Armstrong's horizontal pumps are designed for dependable, continuous service in a wide range of heavy duty industrial and commercial applications including: HVAC, machinery cooling and product transfer, pollution control systems, and powerhouse auxiliary services. The horizontal pumps have a 1-year warranty.

4030 SERIES
The 4030 Series includes a comprehensive range of single-stage, end suction, radially-split centrifugal pumps designed for a wide variety of applications. They feature a self-venting casing to prevent air binding, heavy-duty bearings that are sealed and lubricated for life, an easily removed back pull-out bearing frame, and a self-lubricating mechanical seal to prevent liquid seepage. Available in bronze-fitted, all-bronze, and all-iron construction.

4270 SERIES
The 4270 Series is a close coupled, motor mounted pump available in bronze-fitted and all-bronze construction. All models provide tapped openings for venting, draining, and gauge connections. These pumps feature heavy duty, permanently lubricated motor bearings, Viton® seals as standard, a non-ferrous, engineered-resin impeller, a stainless steel faceplate and a single-spring, inside mechanical seal.

4280 SERIES
The 4280 Series is a motor-mounted version of the horizontal end suction pump with flanged connections and a radially-split volute with center-line discharge. The motor features heavy duty, grease-lubricated ball bearings. The pump is supplied with a self-lubricating mechanical seal and a bronze impeller for smooth performance and long life. Available in bronze-fitted, all-bronze, and all-iron construction.