Page 194 - 2018wd_ctr_cat
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                ARMSTRONG CIRCULATOR PUMPS
 WET ROTOR CIRCULATORS
Flow Range: 0 to 20 USgpm
Head Range: 0 to 22 ft. (0 to 9.8 m) Motor: 115 V, single phase, 60 Hz Max. Fluid Temp.*: 230°F (110°C) Max. Working Pressure: 150 psi Materials of Construction
Pump Body:
Cast Iron (closed systems),
Bronze (open systems)
Impeller: Polypropylene (Glass Filled) Shaft: Stainless Steel
Bearings: Graphite
Gasket Material: EPDM
   Part No. Speed         HP     Amp       A
D E         Weight
B C Three Speed • Bronze
               3 Astro50B-3 2 1
3 Astro30-3 2 1 3 Astro50-3 2 1
0.90
1/20 0.76 63⁄8” 71⁄8” 51⁄8”
4” 33⁄8”
7.4 Lb.
6.5 Lb. 6.8 Lb.
  0.52
Three Speed • Cast Iron
 1/25 1/20
0.68
0.58 63⁄8” 0.40
0.90
0.76 63⁄8” 0.52
71⁄8” 71⁄8”
51⁄8”
51⁄8” 4” 33⁄8”
4” 33⁄8”
 GOLD SERIES -
 PUMP LESS VOLUTE KIT
 Universal SBA sealed bearing assemblies:
                    Part No.
HP
Power
B&G
Significantly reduce spare parts requirements. One-size-fits-all bearing module: Allows repair of any model with only one module design.
Circular oil wick: Provides superior lubrication for cooler running and longer life.
Viton mechanical seal: Provides increase life expectancy for high temperature application.
Noryl non-ferrous impeller: Designed for both hydronic and potable water applications.
S-25LV H-32LV H-41LV S-45LV S-46LV H-51LV H-52LV H-53LV H-54LV S-55LV
188
1/12 1/6 1/6 1/4 1/3 1/4 1/3 1/2 3/4 1/2
115V 1-P 115V 1-P 115V 1-P 115V 1-P 115V 1-P 115V 1-P 115V 1-P 115/230 1P 208-230/460 3-Phase
100
HV or 2”
PR
21/2 or LD3 HD3
60-11 (604S) 60-2
60-13 (608S) PD37S, 60-14 PD35S
Taco
Armstrong
RPK-A-100 RPK-B-101 RPK-C-100 RPK-C-101 RPK-C-102 RPK-D-102 RPK-D-103 RPK-D-104/204 RPK-D-101/201 RPK-D-100/200
S-25 H-32,S-35 H-41
S-45
S-46
H-51, 1B H-52, 11⁄4B H-53, 11⁄2B H-54, S-57, 2B S-55
                                  Part numbers and illustrations are for identification only © 1971- 2018 w.d. armstrong corp.
 






































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