Astro 2 Stainless Steel Circulator


SKU: ARM 01510, ARM 01560 Categories: ,

Armstrong Astro 2 stainless steel circulators are designed for closed hydronic systems and solar heating systems. They operate quietly with zero maintenance and are intended to circulate water or glycol solutions in combination with cast iron volutes.

Technical data

Max. fluid temperature*: 185°f/85°c (astro 286 up to 1.35a)
150°f/65°c (astro 286 over 1.35a)
230°f/110°c (all others)
Max. working pressure: 150 psi / 1034 kPa
Certification: etl listed for US and Canada (conforms to ul
std.778 certified to csa std. c22.2 no.108-01)
nsf 372 (for lead free bronze and stainless
steel models)

Materials of construction

Pump body: • Cast iron (closed system)
• Stainless steel** (open system)
• Lead-free bronze** (open system)
Impeller: Noryl
Shaft: Ceramic
Bearings: Ceramic
Gasket: epdm

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