Submittal Sheet

6
Standard Circulating Pumps
Product review: Wilo-Star/Star S
Equipment/function & technical data Wilo-Star S (cast iron body)
Wilo-Star/Star S
Materials
Pump housing - cast iron ••••
Pump housing - bronze––––
Impeller Engineered Composite
(PP – 40 % GF)
Shaft Stainless steel
(X40 Cr13)
Bearing Metal impregnated
carbon
Scope of delivery
Pump ••••
Flange gaskets ••••
Installation and operating
instructions
••••
Minimal static inlet pressure at
pump suction port [psi] to avoid
cavitation at fluid temperatures
122 °F (50 °C) 0.7 0.7 0.7 0.7
203 °F (95 °C) 4.4 4.4 4.4 4.4
230 °F (110 °C) 14.5 14.5 14.5 14.5
Wilo-Star S...
(cast iron body)
S 16 F S 16 FX S 21 F S 21 FX
• = available, – = not available