The EH 20, multi-stage booster pump is designed to meet your pressure boosting needs. The stainless steel construction offers high performance in a wide variety of applications. The EH Series is offered in five flow rates and different horsepower sizes in 1-phase or 3-phase to make sure you have the right pump to fit your application.
Features
- Compact close coupled design, robust and corrosion resistant
- Superior efficiency and performances
- Flexible application base plate
- Floating neck ring in PPS
- Heavy duty oversize motor shaft
- Impellers and diffusers are made of stainless steel in order to achieve durability
- Easy maintenance
- Strong and leak proof motor ball bearing fitted in the motor
- Pumping of clear non-loaded fluids
- Mechanical seal Type E0 = carbon/ceramic/EPDM, EH 3-5-9
- Mechanical seal Type E1 = carbon/silicon carbide/EPDM, EH 15-20
Pump Specifications
- Connections: Rp threaded for inlet and outlet
- Maximum working pressure: 10 bar
- Maximum allowable amount of sand: 50 g/m³
- Maximum ambient temperature: 40 °C
- Liquid temperature range:
- Minimum: from -15 °C to -10 °C according to gasket material
- Maximum: +90 °C for domestic use (uses covered by CEI EN standard 60335-2-41); +110 °C only for industrial use (uses other than those covered by CEI EN standard 60335-2-41)
- The hydraulic characteristics are guaranteed, according to ISO standard 9906:2012, grade 3B
Motor Specifications
- Single-phase
- Three-phase motor efficiency class IE3
- Asynchronous, TEFC (totally enclosed, fan-cooled)
- 2 pole
- IP55 protection motor, insulation class F
- Standard voltage
- Single-phase:
- 220-240 V ± 5% at 50 Hz (Thermal protection built into the motor)
- 220-230 V ± 5% at 60 Hz (Thermal protection built into the motor)
- Three-phase:
- 220-240 V / 380-415 V ±5 % up to 3 kW at 50 Hz (Thermal protection to be provided into the starter panel by the installer)
- 380-415 V / 660-690 V ±5 % from 4 kW at 50 Hz (Thermal protection to be provided into the starter panel by the installer)
- 220-230 V / 380-400 V ±5 % up to 3 kW 60 Hz (Thermal protection to be provided into the starter panel by the installer)
- Frequency of starts:
- Max. 60 starts/hour for motor power up to 3 kW (with min. 1 minute resting time)
- Max. 30 starts/hour for motor power from 4 kW (with min. 2 minute resting time)
