Product Overview

technical
overview
Astro 2
3-speed circulator models
4
Pump body: • Cast iron (closed system)
• Stainless steel** (open system)
• Lead-free bronze** (open system)
Impeller: Noryl
Shaft: Ceramic
Bearings: Ceramic
Gasket: epdm
** Certified <0.25 weighted average percent lead (nsf 372) and complies
with California Health and Safety code section 116875 (commonly
known as ab1953).
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)
* Since water conditions can vary with geographical location (i.e. amount and
type of dissolved solids) it is recommended that the operating temperature of
the fluid for open (potable) systems be kept as low as possible (i.e. below 150°f
or 65°c) to avoid precipitation of calcium.
model
electrical
input
speed
full load
amp draw (a)
nominal
power (w)
astro 210ci/ss
115v, 60hz
Single phase
3 1.06
2002 1.50
1 1.72
astro 220ssu
3 0.29
332 0.27
1 0.20
astro 225bs
3 0.64
752 0.49
1 0.38
astro 225ssu
3 0.69
832 0.55
1 0.43
astro 230ss/
ci/ci-r
3 0.81
972 0.58
1 0.45
astro 250ss/
ci/ci-r
3 0.98
1172 0.79
1 0.65
astro 280ci/ss
3 1.90
2182 1.80
1 1.50
astro 290ci/ss
3 1.90
218
2 1.60
1 1.40
astro 280ci/ss
230v
230v,60hz
Single phase
3 0.90
2102 0.86
1 0.80
astro 286ci/ss 1 1.60
375
motor data
technical data
materials of construction
d
f
(on center)
b
c
e
a
a
b
c
d
f
(on center)
e
astro 230ci-r & 250ci-r
astro 230ss/ci & 250ss/ci
a
b
c
e
a
b
c
e
astro 220ssu & 225ssu
astro 225bs