Astro 2 Circulators

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Astro 2 Circulators

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Astro 2 Circulators

  • Summary
  • Applications

    Residential heating or cooling, potable water, water conservation.

  • Description

    The Armstrong Astro 2 circulators are designed for quiet operation and zero maintenance. In combination with cast iron volutes the Astro 2 line is intended to circulate water or ethylene-glycol solutions in closed hydronic or solar heating systems. The Astro 2 line is available in three volute materials for residential, small industrial, and commercial applications.

  • Materials

    Cast iron, lead-free bronze, or stainless steel volutes

  • Performance range

    0 to 64 USgpm flow; 0 to 42 ft head

  • Temperature

    Max ambient temp 40°C; max fluid temp 110°C

  • Power Range

    33 W to 218 W

  • Size

    ½” - ¾” sweat, 1¼” union, or standard 2 bolt flange

Adjustable performance

  • Three field-selectable speeds to cover a wide performance range
Case studies

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Easy electrical connection

  • Simple terminal strip for fast and easy wiring
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Easy pump replacement and cross reference

  • Three field-selectable speeds allow replacement of a wide variety of fixed speed circulators 
  • Cross reference for most popular models affixed to packaging saves time when installing a replacement circulator
Service provider

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(PDFs)

Astro 2 Circulators - solution outline

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