More than Just Lines on a Map: Best Practices for U.S Bike Routes
Multi stage pumps
1. Multistage Vertical In Line Pumps
Vertical multistage centrifugal pumps with in-line design enable the pump to be installed in a horizontal
one-pipe system where the suction and discharge ports are in the same horizontal plane and have the
same pipe dimensions. Vertical Multistage Pump comes with various sizes and various numbers of
stages to provide the flow and the pressure for different site conditions. Vertical multistage pump is
suitable for a wide variety of applications from pumping of potable water to the pumping of chemicals.
Operation Condition:Max Head
: 394 M (1292ft)
Max Capacity
: 40 m3/hr
Temp of Pumped Liquid: 0oC to 35oC
Frequency
: 50 Hz
Rpm
: 2900
Max pressure
: 25 bar
Pumps Construction:Coupling spider
: Cast iron EN-GJL-250
Basement
: Cast iron EN-GJL-250.
Tube
: Stainless steel AISI304
Diffuser
: Pressed stainless steel AISI304
Impeller
: Pressed stainless steel AISI304
Shaft
: Stainless steel AISI431
Bidirectional mechanical seal: Graphite /Sic /EPDM
On request, AISI 316 and SS Duplex can be given instead of AISI304 & AISI431 respectively.
Features:Thrust bearing included in the pump: Pump series MK are equipped with a bearing necessary for
supporting the axial thrust generated by the pump. This allows to couple to the pump, the standard
normalized motors without turning normalizing motor equipped with axial bearing.
Normalized mechanical seal: Mechanical seals are according to UNI EN 12756 rules. This allows an easy
availability in case of need.
2. Shafts supported and guided by bushings in wear proof material
Double wear ring: Diffusers equipped with double wear ring in self-lubricating material (Teflon for
MK32-40 bronze forMK50-65)
Wide range: 11 families for power up to 37kw available with different shapes, metallurgies and motors
Version with frequency converter (up to 5,5kW)
Diffuser equipped with wear ring self-centering Cover: cast iron EN-GJL-250
Pump equipped with thrust bearing
SPECIAL VERSIONS
Version with oval flanges.
Version MKX (AISI316)
Special mechanical seal
Version with frequency converter (up to 5.5kW)
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