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Wilo - Model TOP-S -Wet Rotor Circulator Pump
FromWilo USA LLC
Your advantages: No mechanical seal. Quiet, low maintenance wet rotor circulator. Two-speed operation on all voltages. Automatically vented. Cataphoretically coating prevents corrosion. Sturdy cast aluminum electrical box. Short flange to flange dimension.
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Design type
Single stage wet rotor pump with flanged connection. Pre-selectable speed stages for capacity adjustment
Application
- All types of Hot Water Systems
- Closed Cooling Circuits
- Air Conditioning Systems
- Industrial Circulation
- Water/Glycol concentrations up to 50%
- Solar
- Geothermal
- Max. Flow: 290 GPM
- Max. Head: 70 feet
Equipment/function
- Two pre-selectable speeds for capacity adjustment
- Pump flanges - 2 bolt oval 1 ¼" and 1 ½" – 4 bolt 2" pump flange – 4 bolt 3" 125 # raised face ANSI
- Cataphoretic coated pump housing
- Thermal overload motor protection, power on and reverse rotation (three phase only) lights
- Cable feed both sides to facilitate installation
Materials
- Pump housing: Cataphoretic coated cast iron or bronze
- Impeller: Engineered composite (PP - 50 % GF)
- Shaft: Stainless steel
- Bearing: Metal-impregnated carbon
Scope of delivery
- Pump
- Flange gaskets
- Installation and operating instructions
Options
- Pumps 3~400V
- Motor with internal protection or with integrated motor protection
- Collective fault lamp and contact for collective fault signal (depending on type of pump)
- Direction of rotation telltale lamp
- Pumps 1~230V
- Motor with internal protection or full motor protection in conjunction with Wilo relay
- Power supply 1~115/230 V, 60 Hz / 3~208/230/460 and 575 V, 60 Hz
- Fluid temperature: -14 °F to + 248°F (-10 °C to +120 °C)
- IP rating H
- Max. operating pressure: 145 PSI (10 bar)