Armstrong Series S & H in-line circulating pumps are ideal for use in hydronic heating and cooling, domestic water systems, multi-stage zoning, and general industrial service. The Armstrong S & H series pumps are available with either cast iron or bronze bodies. Give us a call toll-free for help on which pump is right for your application. Body: Radially-split body can be left in the line while servicing the pump, eliminating needless disconnecting of pipes. Oversized Shaft: ARMSTRONG circulating pumps have oversized shafts of special alloy steel, machined to exacting tolerances. Shafts have integral thrust collars, heat treated to provide long life under severe duty conditions. Centrifugal Impeller: Balanced impeller of centrifugal design ensures maximum water delivery.

Positive Mechancial Seal: A tried and proven method of preventing water leakage, the well-known “ARMSEAL” construction is an often imitated feature of the ARMSTRONG circulator. Made of long-lasting, hardwearing materials, it ensures many years of noise-free, trouble-free service.

Modular Construction: Armstrong Models S-25 through S-57 and H-32 through H-54 feature the unique ARMSTRONG shaft and bearing module which fits all of these models for ease of serviceability and reduced inventory costs. Ultra Recall Crackers more. Specification Item No. Specification Item No. Specification Item No. Tncap Router Keygen Windows. Items to be returned must be approved by Power Plus International, and may be subjected to a restocking fee Notice: Due to the uncontrollable metal costs, all prices and delivery times are subject to change on a daily basis.

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All other trademarks not owned by us that appear on this Site are the property of their respective owners. *NOTE: The products described herein are not manufactured by Patterson-Kelley nor is Power Plus International in any way associated or affiliated with 'PK', Patterson-Kelley, or Harsco Corporation.

Astro Series Pumps conserve energy and eliminate maintenance. Armstrong's Astro Circulator is intended for circulating water or ethylene glycol solutions in closed.

The Armstrong Astro 50B is a hydronic circulator that conserves energy and eliminates maintenance. Armstrong's Astro Circulator is intended for circulating water or ethylene glycol solutions in closed hydronic or solar heating systems. It is designed with no mechanical seals or couplers to replace, and no lubrication is required.

The Astro series is available in two models for residential, small industrial and commercial installations. Choose from cast iron or bronze models for solar and domestic applications • Efficient/Quiet Operation • Universal Flange to Flange Dimension • Cast Iron or All Bronze Construction • No mechanical seals to leak • No couplers to break • No lubrication • Noryl impeller • Vent plug for initial purging if required • Stainless Steel shaft • Ethylene Propylene gaskets • Impedance protected motor.