Armstrong Astro 2 Circulators

SKU: ARM 00920, ARM 00970, ARM 00980, ARM 00985 Categories: ,

  • Designed for closed hydronic systems and solar heating systems.
  • Quiet Operation
  • Zero maintenance
  • Intended to circulate water or glycol solutions in combination with cast iron volutes.

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Description

Armstrong Astro 2 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

Additional information

Brands

Astro 2 Circulators

230CI, 230CI-R, 250CI, 250CI-R, 280CI, 290CI

Literature

Warranty

Circulators – 30 months from date of manufacture. • All other products – 12 months from installation, but not more than 18 months from date of shipping.