WASTEWATER PUMP GRUNDFOS EF30.50.11.E.2.50B

Grundfos EF AUTOADAPT pump is a portable pump for domestic and industrial use. The pump features a single-stage semi-open impeller with a 30 mm free passage. It is suitable for: ? Sewer channels and surface water containing small impurities ? Fibrous wastewater, e.g., from laundry facilities ? Wastewater not containing toilet waste ? Wastewater from commercial buildings not containing toilet waste. The mounting bracket between the pump casing and motor enables easy and safe disassembly and reassembly. Inspection can be performed on-site without special tools. The pump is equipped with a cartridge-type double mechanical seal. This facilitates rapid replacement of the mechanical seal on-site without special tools. Grundfos EF AUTOADAPT pumps feature an internal controller, sensors, and motor protection. They only need to be connected to the mains voltage. The pump has an alarm relay output. Medium: Medium temperature range: 0 .. 40 °C Technical: Impeller type: Semi-open Maximum particle size: 30 mm Primary mechanical seal: SIC/SIC Secondary mechanical seal: LIPSEAL Maximum hydraulic efficiency: 63 % Materials: Pump casing: Cast iron Pump casing: EN-GJL-200 Impeller: Cast iron Impeller: EN-GJS-500-7 Installation: Maximum ambient temperature: 40 °C Maximum allowable operating pressure: 6 bar Pump outlet: R 2 Maximum installation depth: 10 m Electrical: Input power - P1: 1.6 kW Rated power - P2: 1.1 kW Supply frequency: 50 Hz Rated voltage: 3 x 400-415 V Voltage tolerance: +6/-10 % Maximum starts per hour: 30 Rated current: 3.1/3.1 A Starting current: 21 A No-load current: 1.9 A Cos phi - power factor: 0.81 Rated speed: 2830 rpm Locked rotor torque: 11 Nm Breakdown torque: 12 Nm Motor efficiency at full load: 67 % Starting method: Direct on line Protection class (IEC 34-5): IP68 Insulation class (IEC 85): F Explosion protection: N Cable length: 10 m Cable type: LYNIFLEX Other: Net weight: 38 kg This product description is an automated translation of the original Finnish description.