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Wilo - Model Star-S -Wet Rotor Circulator Pump
FromWilo USA LLC
Wet rotor circulation pump, with flanged connection. (Flange perpendicular to shaft). Pre-selectable speeds to adjust the capacity on “S” versions. Cast iron body for hot-water heating systems of all kinds, industrial circulation systems, cold-water systems and air-conditioning systems.
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Design type
Wet rotor circulation pump, with flanged or union connections. Pre-selectable speeds to adjust the capacity on "S" versions
Application
Hot Water Heating Systems
Chilled Water
- Air Conditioning Systems
- Water/Glycol concentrations up to 50%
- Solar
- Geothermal
- Max. Flow: 38 GPM
- Max. Head: 33 feet
Equipment/function
- 3 manual selectable speed stages ("S" type only)
- Reliable wet rotor technology
- Quick connect wiring
- Powerful starting torque
- Ultra quiet
- Installable hi-temp check (RFC model)
- RFC Patented Rotating Flange: US 8,297,664 B2
Technical data
- Max Temp Range: 14°F to 230°F (-10°C to 110°C)
- Max Amb Temp: 104°F (40°C)
- Electrical Connection: 1~115v, Star S33 available in 1~115v, 230v
- Max Working Pressure: 140 PSI (10 Bar)
Materials
- Cast Iron Volute
- Engineered Composite Impeller
- Stainless Steel Shaft
- Carbon Impregnated Bearing
- Steel Terminal Box
Scope of delivery
- Pump
- Flange gaskets
- Installation and operating instructions
Options
- Ventilation pump Star-RSL 25/6 with automatic ventilation connection
- Special version 25/4 and 25/6
- Overall length 130mm (cast iron)
- Overall length 180mm (red bronze)
- Reliable wet rotor technology
- Quick connect wiring
- Powerful starting torque
- Ultra quiet
- Installable hi-temp check (RFC model)
- RFC Patented Rotating Flange: US 8,297,664 B2