Submersible pumps in stainless steel，SPK4-19/5 A-W-A-CVUV，SPK4195AWACVUV GRUNDFOS

Technical Specifications
Pump Performance (at rated speed: 3447 rpm)
– Rated Flow Rate: 4.5 m³/h
– Rated Head: 23.3 m
– Number of Stages: 19
– Impellers: 5
– Shaft Seal Type: CVUV
– Pump Version: A
– Casing Model: E
– Drain Plug: Closed drain hole
Materials
– Casing (Pump Housing): Cast Iron
– Pump Head: EN-GJL-200 / ASTM Class 25B
– Impeller: Stainless Steel
– DIN W.-Nr. 1.4301
– AISI 304
– Material Code: A
Installation & Operating Conditions
– Max. Ambient Temperature: 60 °C
– Suction & Discharge Connection: G 3/4″
– Motor Flange Size: FT85
– Connection Code: W
Liquid Handling
– Fluid Type: Water
– Liquid Temperature Range: –10 °C to +90 °C
– Operating Liquid Temperature: 20 °C
– Liquid Density: 998.2 kg/m³
Electrical Data
– Motor Model: 71B
– Rated Power (P₂): 0.55 kW
– Required Pump Power (P₂): 0.55 kW
– Supply Frequency: 60 Hz
– Rated Voltage: 3 × 220–255 V Δ / 380–440 V Y
– Rated Current:
– Delta: 2.15–2.05 A
– Star: 1.25–1.20 A
– Starting Current: 500–600 % of rated current
– Power Factor (cos φ): 0.85–0.76
– Rated Speed: 3390–3460 rpm
– IE Efficiency Class: NEMA Premium / IE3 (60 Hz)
– Motor Efficiency:
– Full Load: 76.8 %
– ¾ Load: 83.0 %
– ½ Load: 82.5–79.5 %
– Number of Poles: 2
– Protection Class (IEC 60034-5): IP55 (Dust protected / Protected against water jets)
– Insulation Class (IEC 60085): F
– Built-in Motor Protection: None
– Motor Serial Number: 85805103
Other Information
– Minimum Efficiency Index (MEI): N/A
– Net Weight: 11.9 kg
– Gross Weight: 13.2 kg