Replacement Parts

S&H CIRCULATOR LESS VOLUTE
KIT | SUBMITTAL
89
|
HYDRONIC SOLUTIONS CATALOG
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Armstrong in-line circulators are favoured by
system designers and chiller/boiler manu-
facturers who prefer 3-piece construction for
reliability, eciency, and serviceability. Today’s
models are direct substitutes for all compat-
ible circulators built over the last 50 years.
Armstrong Gold Series - Pump Less Volute kits
enable you to upgrade and renew circulators
manufactured by others, to gain the benefits of
Armstrong quality, service, and performance,
along with these design innovations.
materials of construction
ma ximum pump oper ating cond itions
125 psig at 225°f (863 kPa at 107°c)
0
(9.1) 30
(6.1) 20
(3.0) 10
(0.0) 0
20
40 60
80
100
120
(7.57)
(6.31)
(5.05)
(3.78)(2.52)
(1.26)(0.00)
flow USgpm (l/s)
total head feet (m)
p
referred sele
c
ti
o
n are
a
S2
H3
H4
S4
S4
H5
H5
H5
H5
S5
performance curve
Pump body: Gold painted steel, radially split for servicing ease
Motor: Maintenance-free, permanently lubricated
Sealed bearing assembly: Armstrong sba with universal bearing module
• Stainless steel face plate
• Alloy steel shaft (heat treated for long life)
• Copper sleeve
• Circular oil wick
Coupler: 4-spring or flexible coupler
Shaft: Alloy steel (heat treated for long life), copper sleeve
Mechanical seal: Carbon/SiC, stainless steel trim, Viton seal
Impeller: Noryl (registered trade mark of ge plastics)
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