TOP-S
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
Recommended services
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Design
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
Typekey
TOP-S 2x25 | |
TOP | Circulator |
-S | S = Standard pump |
Z = Drinking water pump | |
2 | Pipe connection in inches |
Technical data
- 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)
- Protection class H
- Max. operating pressure: 145 PSI (10 bar)
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
Installation and operating instructions
Wilo-TOP-S IOM
| Article Number | 2167969 |
| Edition | 1602 |
| Number of pages | 47 |
| Language | en |
PDF (2 MB)Catalogue
Wilo Top S Catalog
| Number of pages | 22 |
| Language | en |
PDF (2 MB)General overview
Wilo Top S Engineering Specification
| Number of pages | 5 |
| Language | en |
PDF (91 KB)Brochure
Wilo-Top S Brochure
| Number of pages | 2 |
| Language | en |
PDF (3 MB)Data sheet
Top S Submittal Sheet
| Number of pages | 52 |
| Language | en |
PDF (3 MB)