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
151
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HYDRONIC SOLUTIONS CATALOG
4030 & 4020 BASE MOUNTED PUMPS
END SUCTION
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PARTS CROSS REFERENCE
model number
b&g model universal armstrong model 4020 bearing frames, 1750 rpm
motor hp and
speed
1750rpm K & O 1 1K & 2 3 5 7K 10 15
frame size
1954 rerate 56 182 184 213 215 254u 256u 284u
1964 rerate 56 143t 145t 182t 184t 213t 215t 254t
pump size
b&g armstrong
u1¼a 1¼d
s s s - - - - -
u1½a 1½d
s s s - - - - -
u2a 2d
s s s - - - - -
u2½a 2½d
s s s s - - - -
u3a 3d
- s s s - - - -
u4a 4d
- - s s s - - -
u1¼b 1¼e
- s s s s - - -
u1½b 1½e
- - s s s - - -
u2b 2e
- - s s s s - -
u2½b 2½e
- - - s s s s -
u3b 3e
- - - - s s s -
u4b 4e
- - - - s s s s
u5b 5e
- - - - - s s s
s designation - Y" impeller bore, 1N" mechanical seal
when replacing the bearing frame assembly on pumps with these motor frame sizes, use the 1510/4030
bearing frame assembly. part no. 819359-002