Wilhelm Dickow Horizontal Centrifugal Pump Set – Siemens 75 kW Motor

This industrial-grade centrifugal pump set is engineered for reliable process fluid transfer applications. Manufactured in Germany by Wilhelm Dickow, the pump features a horizontal end-suction centrifugal design in a close-coupled configuration with a Siemens motor, ensuring space-saving installation and efficient operation.

The pump delivers a flow rate of 129 m³/h and a total dynamic head of 20.5 meters, operating at a speed of 1450 rpm. Built from cast iron (Grauguss – GG), it supports a maximum operating pressure of 5 bar and uses DIN-standard flanged suction/discharge connections.

The power unit consists of a Siemens 3-phase AC motor rated at 75 kW with dual voltage options—400 V (Δ) and 690 V (Y)—and a nominal current draw of approximately 128 A at 50 Hz. The motor operates at 1485 rpm and complies with PTB 02 ATEX 55307U/01 certification, making it suitable for use in hazardous environments. It features a foot-mounted (IM B3) design with IC411 self-ventilation, IP55 enclosure protection, and Class F insulation.

The motor utilizes 6216 C3 bearings on both ends, lubricated with 25 grams of Esso Unirex N3 grease at 4,000-hour intervals. Maximum permissible ambient temperature is 40°C. The complete motor weighs 570 kg.

Specifications:

– Pump Type: Horizontal end-suction centrifugal pump
– Configuration: Close-coupled, horizontally aligned
– Pump Manufacturer: Wilhelm Dickow, Waldkraiburg, Germany
– Motor Manufacturer: Siemens AG, Germany
– Pump Serial Number: 7175489
– Material Code: GG (Cast Iron – Grauguss)
– Flow Rate (Capacity): 129 m³/h
– Head (TDH): 20.5 m
– Operating Pressure: 5 bar
– Pump Speed: 1450 rpm
– Suction/Discharge Connection: DIN-standard flanged
– Motor Power Rating: 75 kW
– Voltage Options: 400 V (Δ) / 690 V (Y)
– Current Draw: ~128 A
– Frequency: 50 Hz
– Motor Speed: 1485 rpm
– Power Supply: 3-phase AC
– Frame Size: 280
– Enclosure Rating: IP55
– Cooling Method: IC411 (self-ventilated)
– Insulation Class: F
– Mounting Type: Foot-mounted (IM B3 assumed)
– Motor Weight: 570 kg
– Drive-End Bearing: 6216 C3
– Non-Drive-End Bearing: 6216 C3
– Grease Type: Esso Unirex N3
– Grease Quantity: 25 g
– Greasing Interval: 4000 hours
– Max Ambient Temperature: 40°C
– Certification: PTB 02 ATEX 55307U/01 (ATEX motor certification)
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