The Astro 2 Series now offers flange-to-flange and bolt-to-bolt compatibility.
The Astro 2 Series by Armstrong Fluid Technology has added four sizes and also offers flange-to-flange and bolt-to-bolt compatibility with other models. The models also features three field-selectable operating speeds, double the head and triple the flow. It also has a plug-in terminal strip to save time on installation and e-coating on the inside of the cast iron volutes to provide enhanced corrosion protection. They also have pre-installed high-flow check valve and are available in cast iron, stainless steel, and lead-free bronze.
Armstrong Fluid Technology