Davey VM3-29/3 Vertical Multistage 3 Phase Pump 1833LT/min, 230m Lift, 415V

Davey VM3-29/3 Vertical Multistage Three Phase Pump 415V

WHY CHOOSE THE VM SERIES MULTISTAGE PUMPS?
Vertical multistage centrifugal pump with in line suction and
discharge
• Minimum floor space required and easy to install
All hydraulic parts constructed in stainless steel
• Long service life
• Corrosion and abrasion resistance
High efficiency stainless steel impeller design
• Low operating costs
• Less stages required
• Low maintenance
Raised bottom bearing
• Longer bearing life through reduced risk of damage from
sediment
Hard faced mechanical seal
• Longer seal life
Teflon neck rings
• Maintains high efficiency
• Reduces vibration and noise
• Reduces sensitivity to thermal expansion
Tungsten carbide intermediate bearing/s
(selected models)
• Reduces possible damage from shaft misalignment or
vibration
Stainless steel threaded companion flanges with gaskets, nuts,
bolts & washers included with every pump
• Easier installation
• Guaranteed material quality.

Pump Weight: 40Kg

Dimensions (mm): 197D x 1043H

Warranty: 2 Years

APPLICATIONS
Pumping of clean, non-aggressive liquids, free of fibres
in suspension, suitable for applications such as:-
• Water supply – domestic, rural & industrial
• Pressure boosting
• Agriculture & farming
• Turf water & irrigation
• Commercial – high pressure washing & water
treatment
• Boiler feed

OPERATING LIMITS
Capacities to 1833 lpm
Pressure heads to 230m
Maximum discharge pressure PN25 255m
Maximum suction pressure Refer to table below
Temperature range -15° to +70°C
Hot water type available on request +70° to +120°C
Motor – three phase, 3.0kW, 415V
Rotation Anti-clockwise (top view)

ELECTRICAL DATA
Maximum ambient temperature: 40°C
Minimum IP rating: IP55
Insulation class: Class F

MATERIALS OF CONSTRUCTION
Pump attachment base: Cast iron
Suction & discharge casing: 304 stainless steel
Motor support lantern: Cast iron
Impellers: 304 stainless steel
Stages (casing): 304 stainless steel
Outside sleeve: 304 stainless steel
Pump shaft: 316L stainless steel
Intermediate bearing: Tungsten carbide
Mechanical seal: Silicon carbide/carbon/EPDM
Orings (casing): EPDM
Plugs (drainage & priming): 316L stainless steel
Impeller neck rings: Teflon

*Special version with 316L stainless steel & viton orings on request
NOTE: 304 stainless steel, (Z6 CN 18.9) and 316L stainless
steel (Z2 CND 17.12) are recommended materials that are
highly resistant to corrosion. Suitable for pumping clean,
clear non-viscous liquids, containing no fibres or solids.
Maximum sand/silica concentration 40 g/m3.

MOTOR TECHNICAL SPECIFICATIONS – SINGLE PHASE
Motor: 3.0

Frame: 100 V18

IP Rating: IP55

FLC 415V: 5.7

Start/LRC Ratio: 6.8

RPM: 2853

Eff % : 86.2

Bearings – Drive End: 6206-ZZC3,  Non-D/End: 6205-ZZC3

ALTITUDE & TEMPERATURE VS LOSS OF HEAD
Guide only – altitude and temperature losses are added.
Altitude  |  Loss of head  |  Temperature  |  Loss of head
0m             0m                       20°C                     0.20m
500m        0.60m                 30°C                     0.40m
1000m      1.15m                  40°C                     0.70m
1500m      1.70m                  50°C                     1.20m
2000m     2.20m                 60°C                     1.90m
2500m     2.65m                  70°C                     3.10m
3000m     3.20m                 80°C                     4.70m
90°C                     7.10m
100°C                   10.30m