EH 3 Horizontal Multistage Pump E-tech Franklin Electric

E-tech EH 3, 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 such as domestic fire sprinklers. 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 rust resistant
• Superior efficiency and performances
• Flexible application base plate
• Floating neck ring in PTFE/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:
• EH3-5-9: Carbon / Ceramic / EPDM
• EH15-20: Carbon / Silicon Carbise (SiC) / EPDM

Pump Specifications

• Capacities:
• up to 29 m³/h at 50Hz
• up to 35 m³/h at 60Hz
• Heads: up to 104 m at 50Hz and 60Hz
• 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 and Three-phase motor efficiency class IE2 or IE3
• Asynchronous, TEFC (Totally Enclosed, Fan-Cooled)
• 2 pole
• IP55 protection motor, Insulation class F
• Standard voltage
• Single-phase: 220-240 V ± 5 %. Thermal protection built into the motor.
• 220-240 V ± 5 % at 50Hz. Thermal protection built into the motor.
• 220-230 V ± 5 % at 60Hz. Thermal protection built into the motor.
• Three-phase:
• 220-240 / 380-415V ± 5 % up to 3kW at 50Hz. Thermal protection to be provide into the starter panel by the installer.
• 380-415 / 660-690V ± 5 % from 4kW at 50Hz. Thermal protection to be provide into the starter panel by the installer.
• 220-230 / 380-400 V ± 5 % up to 3kWat 60Hz. Thermal protection to be provide into the starter panel by the installer.
• Starts per hour:
• for motor power up to 3kW the allowed starts are 60. Waiting time between two consecutive starts 1 minute.
• for motor power from 4kW the allowed starts are 30. Waiting time between two consecutive starts 2 minutes.

Applications

• Small domestic / industrial systems
• Domestic water supply
• Water distribution / pressure boosting
• Irrigation / gardening
• Sprinklers / Fire sprinklers/ Domestic fire sprinklers
• Rainwater recovery
• wash down unit
• Cooling and chilling / heating and conditioning systems