Applications
- Suitable for civil, industrial, agricultural and fire-fighting pressure boosting-systems
- Primary water treatment plants
- Reverse osmosis, seepage, etc.
- moving moderately aggresive fluids
- Boiler loading
- Washing
- Heating system and air-conditioning
Pump Technical Details
- Reliable, strong , silent and easy to service
- The EVM pumps are coupled to standard IEC motors
- They offer state of the art technical solutions
- The EVM vertical multistage pumps (hydraulic part) are in compliance with the 94/9/CE Directive on ATEX product (they belong to group II, Category 2), zones 1 and 2, temperature class T2 and T4
- Oval counter flanges, N version
- Round counter-flanges, F version
- WRAS approval for standard version of EVM 3-5-10-18
Pump Technical Data
- Maximum working pressure 16 bar, 25 bar, 30 bar, for EVM32 – EVM45 only
- Temperature of the liquid from -15°C to + 120°C
- Maximum solid content : 50 ppm (particle size 0.1-0.15 mm or less)
- Maximum chlorine ion density 500 ppm
- MEI > 0.4
Motor Technical Data
- high efficiency IE2 motor starting from 0.75 KW
- Self-ventilated 2 poles asynchoronous motor
- Class of insulation F
- IP55 Protection degree
- Single phase volatge 230V ± 10% 50Hz
Three phase volatge 230/ 400V ± 10%, 50 Hz (up to 4 kW included)
Three phase volatge 400 / 690V ± 10% (5.5 kW and above) - Circuit breaker protection under responsibility
Materials
- Lower pump body, external casing, sela housing disc, impellers, disffusers, shaft casing , joint cover and small element in contact with the liquid in AISI 304 (EVM)
- Tie-rods and small element not in contact with the liquid in galvanised steel
- Shaft in AISI 316
- Bearing contact with the liquid in tungsten carbide
- Motor bracket in cast iron / AISI / (EVM)
- Mechanical seal in SIC/Carbon/EPDM (EVM-EVMG-3-5-10-18)
- Mechanical seal Sic/Carbon/FPM (EVM 3-5-10-18)
- Mechanical seal cartridge as per standard in Sic/Carbon /FPM (models 32-45-64)
- Liner rings in PTFE