Overview of Primary Product

6
Standard Circulating Pumps
Product review
Technical data Wilo-TOP-S
Wilo-TOP-S
Wilo-TOP-S...
2x25 2x35 2x40 2x50 2x60 3x25 3x50 3x70
Approved fluids
(other fluids on request)
Heating water ••••••••
Water/glycol mixtures
(max. 1:1; mixtures with more than 20 %
glycol require reassessment of the hydrau-
lic criteria)
••••••••
Domestic hot water ––––––––
Performance
Max. delivery head [ft] 1~23.328.035.537.4––––
3~ 24.5 31.6 40.7 43.2 56.4 24.7 53.5 70.9
Max. delivery head [m] 1~7.18.510.811.4––––
3~ 7.5 9.6 12.4 13.2 17.2 7.5 16.3 21.6
Max. volume rate of flow [USGPM]1~118.0125.0106.8123.3––––
3~ 115.0 135.0 130.0 160.0 180.0 240.0 250.0 290.0
Max. volume rate of flow [m
3
/h]1~26.828.424.328.0––––
3~ 26.1 30.7 29.5 36.3 40.9 54.5 56.8 65.9
Acceptable field of application
Temperature range for application in
heating and cooling installations
(closed circulating systems)
14 °F (-10 °C)
up to
248 °F (+120 °C)
Temperature range for open
circulating systems
––––––––
Temperature range in domestic
hot water systems
––––––––
Ambient temperature range 32 °F (0 °C)
up to
104 °F (+40 °C)
Max. working pressure p
max
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
145 psi
(10 bar)
Pipe connections
Nominal connection diameter – DS [in]22222333
Non ANSI flange (oval, rotated 90°) ––––––––
Non ANSI flange (oval) ––––––––
Non ANSI flange (round) •••••–––
ANSI flange –––––•••
• = available, – = not available