Replacement Parts
Table Of Contents
- commercial & residential pumps
- Design Envelope Compass Circulators
- Astro 2 Circulators
- Astro 2 Hot Water Recirculation Systems
- Astro 2 24-hour timer
- Aquastat controls
- Astro Express 2 Hot Water Recirculation
- S&H 3-Piece Circulators
- 1050 & 1060 3-Piece Circulators
- E.2 Circulators
- E.2 Circulator Spool Pieces
- 4270 & 4270 Stock Motor Mounted Pumps
- 4360 Pump-in-a-Box
- 4380 Pump-in-a-Box
- Design Envelope 4300/4380 Pump-in-a-Box
- hydronic specialties
- circuit balancing valves (cbv)
- replacement parts
- parts look up
- competition circulator cross reference
- technical data
- Pump Formulas
- Pressures & Altitudes
- Freezing & Boiling Points
- Ethylene Glycol Properties
- Propylene Glycol Properties
- Water Properties
- Useful System Curve Formulas
- Pipe Maximum Pressures
- Hydraulic Resistance
- Pipe Information
- Pipe Fittings & Valves Friction Loss
- Water Flow Calculator
- Unit Conversions
- Typical Symbols
- Product Solution Outlines/Brochures
ASTRO 2 CIRCULATORS
THREE SPEED
|
SUBMITTAL
9
|
HYDRONIC SOLUTIONS CATALOG
astro 280, 286
astro 210, 290
flow - usgpm
flow - l/s
16
24
32
40
44
8
0
0816 24 32 40
0 0.50 1.01 1.51 2.02 2.52
4.9
7.3
9.8
12.2
13.4
2.4
0
head - feet
head - metres
without check valve
with check valve
astro 280
astro 286
1
2
3
flow - usgpm
flow - l/s
12
16
20
8
4
0
0481216202428323644486064565240
0.250 0.50 0.76 1.01 1.26 1.51 1.77 2.02 2.27 2.78 3.03 3.79 4.043.533.282.52
3.7
4.9
6.1
2.4
1.2
0
head - feet
head - metres
without check valve
with check valve
astro 290
astro 210
1
2
3
1
2
3