A STRO 2
| TH R EE SPEED CIRCU L ATO R S | S U B M I T T A L
File No: 10.584
Date: march 03, 2017
Supersedes: 10.584
Date: april 03, 2014
Job: Representative: Ordered by: Engineer: Date: Submitted by: Date: Contractor: Approved by: Date:
t ec h n i c a l data
m at e r ia l s o f co n st ru c t i o n Certification: etl listed for US and Canada (conforms to ul std.7 78 certified to csa std. c2 2. 2 no.10 8 - 01)
Pump body: Cast iron (closed systems)
Stainless steel* (open systems)
Lead free bronze* (open systems)
nsf 372 (for lead free bronze and stainless steel models)
Flow range: 0 – 64 USgpm / 0 – 4.04 l/s
Impeller: Noryl
Head range: 0 – 42.0 feet / 0 – 12.8 meters
Shaft: Ceramic Maximum fluid temperature: 1 85°f / 85°c (Astro 286 up to 1.35 a )
150°f / 65°c (Astro 286 over 1.35 a )
230°f / 110°c† (all others)
Bearings: Ceramic Gasket material: epdm
Maximum working pressure: 150 psi / 103 4 kPa
dimensions and weights
le ad free bronze*
a
b
c
d
e
f
Astro 225bs ½" swt
5.00 (127)
5.00 (127)
4.13 (105)
—
3.10 (79)
—
Sweat – ½"
6.0 (2.7)
Astro 225bs ¾" swt
5.00 (127)
5.00 (127)
4.13 (105)
—
3.10 (79)
—
Sweat – ¾"
6.0 (2.7)
a
b
c
d
e
f
stainless steel*
connection t ype & size
connection t ype & size
weight
weight
Astro 220ssu**
6.00 (152)
5.00 (127)
4.00 (102)
—
3.10 (79)
—
Union – 1¼" npsm
6.5 (2.9)
Astro 225ssu**
6.00 (152)
5.00 (127)
4.00 (102)
—
3.10 (79)
—
Union – 1¼" npsm
6.5 (2.9)
Astro 230ss**
6.38 (162)
6.00 (150)
4.00 (102) 4.00 (102)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 250ss**
6.38 (162)
6.00 (150)
4.00 (102) 4.00 (102)
3.10 (79) 3.25 (80)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 210ss**
6.50 (165)
7.25 (184)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
3.10 (79) 3.25 (80)
Astro 280ss (230v)**
6.50 (165)
6.75 (171)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
Astro 286ss**
6.50 (165)
6.38 (162)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
Astro 290ss**
8.50 (216)
6.65 (169)
5.20 (132) 4.00 (102)
3.60 (91) 3.45 (88)
a
b
cast iron
c
d
e
f
Flange – (2) ½" dia. bolt holes
13.2 (6.0)
connection t ype & size
weight
Astro 230ci**
6.38 (162)
6.00 (150)
4.00 (102) 4.00 (102)
3.10 (79) 3.25 (80)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 230ci-r**
6.38 (162)
5.63 (137)
4.00 (102) 4.00 (102)
3.10 (79) 3.25 (80)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 250ci**
6.38 (162)
6.00 (150)
4.00 (102) 4.00 (102)
3.10 (79) 3.25 (80)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 250ci-r**
6.38 (162)
5.63 (137)
4.00 (102) 4.00 (102)
3.10 (79) 3.25 (80)
Flange – (2) ½" dia. bolt holes
8.0 (3.6)
Astro 210ci**
6.50 (165)
7.25 (184)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
Astro 280ci (230v)**
6.50 (165)
6.38 (162)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
Astro 286ci**
6.50 (165)
6.38 (162)
4.87 (124) 4.00 (102)
3.60 (91) 3.13 (80)
Flange – (2) ½" dia. bolt holes
10.1 (4.6)
Astro 290ci**
8.50 (216)
6.65 (169)
5.20 (132) 4.00 (102)
3.60 (91) 3.45 (88)
Flange – (2) ½" dia. bolt holes
13.2 (6.0)
note: All dimensions are in inches (mm) and weights in lbs (kg).
* Certified <0.25 weighted average percent lead and complies with California Health and Safety Code Section 116875 (commonly known as ab 1953).
** Removable check valve installed at pump outlet.
† For open systems, it is recommended that the fluid temperature be less than 150°f (66°c) to avoid precipitation of calcium.
s u bmit tal
Astro 2
3-speed circulator models
2
moto r data
model
electrical input speed
a stro 2 10ci/ss
a stro 2 20ssu
a stro 2 25bs
a stro 2 25 ssu
115v, 60hz
Single phase
a stro 230ss/ci/ci–r
a stro 250ss/ci/ci–r
a stro 28 0ci/ss
a stro 29 0ci/ss
a stro 28 0ci/ss 230v
230v, 60hz
Single phase
a stro 286ci/ss
astro 2 25bs
full load amp draw (a)
3
1.06
2
1.50
1
1.72
3
0.29
2
0.27
1
0.20
3
0.64
2
0.49
1
0.38
3
0.69
2
0.55
1
0.43
3
0.81
2
0.58
1
0.45
3
0.98
2
0.79
1
0.65
3
1.90
2
1.80
1
1.50
3
1.90
2
1.60
1
1.40
3
0.90
2
0.86
1
0.80
1
1.60
nominal power (w)
200
33
75
83
97
117
218
218
210
370
astro 2 20ssu & 2 25ssu
b
e
e
b
c
a
a
c
Astro 2
3-speed circulator models
subm i tta l
3
astro 23 0ci-r & 250ci-r
astro 23 0ss/ci & 250ss/ci
e
b
c
e
b
a
c
a
f
f
(on center)
d
(on center)
d
astro 280ci, 29 0ci/ss & 286ci/ss
astro 2 10ci/ss & 28 0ss
b
e
c
b
e
a
f
a
f
(on center)
(on center)
d
d
h a r dwa r e k it
Companion flange kit (contains two (2) flanges, hardware and gaskets)
Cast iron: 0.75", 1", 1.25", 1.5"
Bronze: 0.75", 1", 1.25", 1.5"
Union fitting (contains two (2) half unions and gaskets)
1.25" npsm to:
Brass/Lead free bronze: 0.5" sweat, 0.75" sweat, 0.75" fnpt
c h ec k va lv e s ize
check valve size
model
1" Diameter
a stro 2 20ssu, a stro 2 25 ssu
1¼" Diameter
a stro 2 10, a stro 230, a stro 250, a stro 28 0, a stro 286
1½" Diameter
a stro 29 0
c
Astro 2
3-speed circulator models
s u bmit tal
4
performance curves
astro 2 20, 23 0, 250
astro 225bs, 225ssu
flow - l/s
flow - l/s
0.38
0.25
0.50
0.63
0.88
astro 225bs
12
0.76
astro 225ssu
28
3.7
24
20
3.0
2.4
2
6
1.8
1
4
1
2
head - feet
3
8
0.13 0.25 0.38 0.50 0.63 0.76 0.88 1.01 1.14 1.26 1.39
8.5
astro 250
astro 230
astro 220
3
10
head - feet
4.3
0
6.1
2
4.9
16
12
1.2
8
0.6
4
3.7
3
2.4
2
3
2
7.3
3
2
11
1.2
1
0
0
0
0
2
6
4
8
10
12
0
0
14
2
4
6
8
flow - usgpm
10
12
14
flow - usgpm
astro 2 10, 29 0
flow - l/s
0.25 0.50 0.76 1.01 1.26 1.51 1.77 2.02 2.27 2.52 2.78 3.03 3.28 3.53 3.79 4.04
16
without check valve
3
with check valve
12
1
8
4
0
astro 210
astro 290
2
2
3
4
2.4
1.2
8
12
16
20
24
28
32
36
40
44
48
52
56
60
flow - usgpm
astro 28 0, 286
flow - l/s
44
+1 416 755 2291
0
0.50
1.01
+44 (0) 8444 145 145
manchester
head - feet
buffalo
birmingham
2.02
2.52
13.4
without check valve
with check valve
astro 280
astro 286
40
+1 716 693 8813
1.51
32
12.2
9.8
7.3
24
1
2
3
16
4.9
8
2.4
head - metres
toronto
+44 (0) 8444 145 145
bangalore
+91 (0) 80 4906 3555
shanghai
0
0
8
16
24
flow - usgpm
32
0
40
+86 21 3756 6696
são paulo
+55 11 4781 5500
4.9
3.7
1
0
6.1
a r m s t r o n g f lu i d t e c h n o lo g y
established 1934
a r m s t r o n g f lu i d t e c h n o lo g y. c o m
64
0
head - metres
head - feet
20
0
16
18
20
22
head - metres
0.13
head - metres
14
0