Description

EVM
Vertical multistage
VERTICAL MULTISTAGE ELECTRIC PUMPS in cast iron, AISI 304, AISI 316

Vertical multistage centrifugal electric pumps available in various versions: cast iron (EVMG), AISI 304 stainless steel (EVM), AISI 316 stainless steel (EVML).

APPLICATIONS
• Suitable for civil, industrial, agricultural and fire-fighting pressure boosting systems
• Primary water treatment plants
• Reverse osmosis, seepage, etc.
• Moving moderately aggressive fluids
• Boiler loading
• Washing
• Heating systems and air-conditioning

TECHNICAL DETAILS
• Reliable, strong, silent and easy to service
• The EVM pumps can be coupled with standard IEC motors
• They offer state-of-the-art technical solutions
• The EVM vertical multistage pumps (hydraulic parts) are in compliance with the 94/9/CE Directive on ATEX products (they belong to Group II, Category 2),
  zones 1 and 2, temperature class T2 and T4
• Oval counter-flanges, "N" version, already included
• Round counter-flanges, "F" version, as accessories
• Version with WRAS approval for standard versioon 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 0,1-0,25 mm or less)
• Maximum Chlorine ion density: 500 ppm
• MEI > 0,4
For further information please see our Data Book

MOTOR TECHNICAL DATA
• High efficiency IE2 motors starting from 0,75kW
• Self-ventilated 2 poles asynchronous motor
• Class of insulation F
• IP55 Protection degree
• Single phase voltage 230V ±10% 50Hz,
three phase voltage 230/400V ±10%, 50Hz (up to 4 kW included), three phase voltage 400/690V ±10% (5.5 kW and above)
• Circuit breaker protection under user's responsibility

MATERIALS
• Lower pump body, external casing, seal housing disc, impellers, diffusers, shaft casing, joint cover and small elements in contact with the liquid in AISI 304 (EVM), AISI 316 (EVML) ["EVMG" version: pump casing in cast iron and hydraulic part in AISI 304]
• Tie-rods and small elements not in contact with the liquid in galvanised steel
• Shaft in AISI 316
• Bearings in contact with the liquid in tungsten carbide
• Motor bracket in cast iron (EVMG), in cast iron/AISI 304 (EVM), in cast iron/AISI 316
• Mechanical seal in SiC/Carbon/EPM (EVM-EVMG 3-5-10-18)
• Mechanical seal in SiC/Carbon/FPM (EVML 3-5-10-18)
• Mechanical seal with cartridge as per standard in SiC/Carbon/FPM (models 32-45-64)
(F= round counterflanges; N= oval counterflanges)
• Liner rings in PTFE

SPECIAL VERSIONS
• Motor in insulation class B available for high temperature
• ATEX version for the electropump
• Available also with IE3 motor