Astro 2 Circulators
Brand: Armstrong Fluid TechnologyThe 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.
Features- Three field-selectable speeds to cover a wide performance range
- Simple terminal strip for fast and easy wiring
- 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
Specifications
Materials
- Cast Iron, Lead-Free Bronze, or Stainless Steel Volutes
Performance Range
- 0 to 64 USgpm flow, 0 to 42 ft Head
Temperature
- Maximum ambient temp 40° C, maximum fluid temp 110° C
Power Range
- 33 W to 218 W
Size
- 1/2” - 3/4” sweat, 1-1/4” union, or standard 2 bolt flange
- Residential heating or cooling, potable water, water conservation.