Name: Davey DD90-11 DynaDrive Constant Pressure Pump | Dowdens Pumping & Water Treatment
SKU: DD90-11
Availability: OutOfStock

Description

Davey DD90-11 DynaDrive Constant Pressure Pump

Compact All-In-One constant pressure system

Applications

Ideal for household and domestic water supply, farming and agricultural water systems, irrigation and turf watering systems and automatic general water transfer.

Flows up to 140L/min and heads up to 64m Horizontal multistage centrifugal pump with all hydraulic parts in stainless steel:

Suitable for high water temperatures
Corrosion and wear resistant
Compact design
Easy to install

Stainless steel impellers with high-efficiency impeller profile and thick self-centring impeller neck rings for:

High efficiency
Reduced power consumption:
Low noise output

Air purging valve and stage porting:

Easier priming
Less susceptible to air leaks
Improved dependability

Impellers mounted directly on extended motor shaft:

Maximise performance per stage
High efficiency
Long motor and pump life
Increased wear resistance

Pump casing assembly attached to motor bracket at 8 points with o-ring seal:

Complete stainless casing
Better sealing
Longer service life

Davey built, totally enclosed fan cooled (TEFC) electric motor:

Sealed and greased for life motor bearings
Oversized drive end bearing
Longer life
Easy service
Economical & quiet running

Controller

Warning indication for system faults
Adjustable pressure settings
Constant pressure at high flow rates
Loss of prime protection
Capable of daisy chain applications of two pumps in parallel
Easy service
Economical and quiet running

OPERATING LIMITS
Models	DD60-10(CE)	DD90-11 (CE)
Max. flow rate @ 300kPa	60L/min	92L/min
Max. flow rate @ 400kPa	48L/min	72L/min
Max. flow rate @ 500kPa	32L/min	35L/min
Max. casing pressure	1,000kPa	1,000kPa
Max. set pressure	600kPa	600kPa
Min. cut-in pressure	10kPa (gauge pressure)	10kPa (gauge pressure)
Default cut-in pressure	50kPa less than set pressure	50kPa less than set pressure
Max. cut-in pressure	20kPa less than set pressure	20kPa less than set pressure
Operating water temp range	0 – 80°C	0 – 80°C
Operating ambient/ air temp range	0 – 50°C	0 – 50°C
Nature of fluids	Clean, clear, non-corrosive, non-flammable liquids with no fibers and little sand/silica or abrasives (maximum concentration 40g/m3 )	Clean, clear, non-corrosive, non-flammable liquids with no fibers and little sand/silica or abrasives (maximum concentration 40g/m3 )
Applicable approvals	UNE-EN 55014-1:2017; UNE-EN 61000-3-2:2014; UNE-EN 61000-3-3:2013; UNE-EN 55014-2:2015; IEC 60335-2-41; IEC 60335-1 + A1:2013 + A2:2016; AS/NZS 60335.2.41:2013; ASNZS 60335.1:2011+ A1:2012 + A2:2014 + A3:2015 + A4:2017; AS4020	UNE-EN 55014-1:2017; UNE-EN 61000-3-2:2014; UNE-EN 61000-3-3:2013; UNE-EN 55014-2:2015; IEC 60335-2-41; IEC 60335-1 + A1:2013 + A2:2016; AS/NZS 60335.2.41:2013; ASNZS 60335.1:2011+ A1:2012 + A2:2014 + A3:2015 + A4:2017; AS4020

MATERIALS OF CONSTRUCTION
PART	MATERIAL
Casing	304 stainless steel
Impellers	304 stainless steel
Stages (casing)	304 stainless steel
Pump shaft	316 stainless steel
Stage centring device	304 stainless steel
Mechanical seal	Carbon/ceramic
O-rings	EPDM
Plugs	316 stainless steel
Motor shell and lantern bracket	Aluminium with baked polyester powder coat finish
Motor feet	Xenoy
Fan cowl/rear foot (DD60-08, DD60-10, DD90-11)	Polypropylene
Adaptor VSD	Polypropylene
5-way tee piece	304 stainless steel
Pump coupling to 5-way tee piece	Brass

ELECTRICAL DATA
Models	DD60-10(CE)	DD90-11 (CE)
Voltage	220 – 240V ~	220 – 240V ~
Max motor speed	2,900rpm	2,900rpm
Frequency (incoming power)	50 – 60Hz	50 – 60Hz
Input power P1	1.1kW	1.3kW
Output power P2	0.8kW	0.9kW
Running current	7.4A	8.6A
Insulation class	F	F
IP rating	55	55