WILO Star-RS 25-4 OEM 180 mm

The WILO Star-RS 25/4 is a circulation pump for closed-loop heating systems. It can be used for both heating and cooling. The motor has a wet rotor, ensuring lubrication of the pumped parts during operation directly by the liquid being pumped. It can be removed for maintenance without dismantling the entire pump. It is available with both threaded and flanged connections. Three-stage power selector. The shaft is thermally insulated and has an anti-corrosion coating. The housing is made of cast iron. The shaft is stainless steel. The bearings are made of metal graphite. Operating temperature range: -10°C to +110°C. Pumps in this series do not require a shaft seal. Horizontal shaft installation is permitted.

• maximum working pressure: 10 bar
• maximum pressure: 4 m
• maximum flow rate: 3 m3/hour
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