MD – MMD(4)

Standardised cast iron monobloc centrifugal pump with AISI 304 impeller for MD and cast iron impeller for MMD, with 2 and 4 poles motors with high energy efficiency. Equipped with a Back pull-out design that allows the motor block to be removed without having to disconnect the piping body for maintenance.

Features

Sturdy construction

Description

Standardised cast iron monobloc centrifugal pump with AISI 304 impeller for MD and cast iron impeller for MMD, with 2 and 4 poles motors with high energy efficiency.
The MD and MMD electric pumps feature a back pull-out design that allows the motor block to be removed without having to disconnect the piping body for maintenance.
For further technical information see the Databook

• Heating, ventilation and air-conditioning systems
• Water supply for civil, agricultural and industrial plants
• Pressurisation
• Firefighting systems
• Industrial liquid handling systems
• Irrigation for farms, sports facilities
• Washing systems

Technical Features

Technical data

Flow rate	Up to 600 m³/h
Total head	Up to 92,7 m
Max. working pressure	10 bar
Max. temperature of the liquid	-10°C ÷ +90°C
MEI	> 0.4
Poles	2 and 4
Insulation class	F (B for high temperature)
Protection degree	IP55
Voltage	Three-phase 3~230/400V ±10% (up to 4 kW included) Three-phase 3~400/690V ±10% (from 5.5kW and above for MD) (from 7.5kW and above for MMD)

Materials

Pump body	Cast iron
Impeller	Cast iron AISI 304 (EN 1.4401) for MD
Shaft	Stainless steel AISI 304 (EN 1.4401) for MD Stainless steel AISI 420 (EN 1.4021)
Mechanical seal	Standard = Ceramic/Carbon/NBR MMD = Silicon Carbide/Silicon Carbide/NBR H = Graphite/Ceramic/FPM HS = Silicon Carbide/Silicon Carbide/FPM HW = Tungsten Carbide/Tungsten Carbide/FPM HSW = Silicon Carbide/Tungsten Carbide/FPM E = Graphite/Ceramic/EPDM
Motor support	Aluminium for the rest of the range