Davey DynaDrive DD90-11

Davey DynaDrive DD90-11 Variable Speed Constant Pressure Pump

The HM Water Pressure System range with Variable Speed Drive controller is a premium product designed for multi-storey buildings and homes with high pressure needs. The VFD controller allows the pump to only turn on as much power as demanded by the system, saving you power and extending the life of your pump. The Dynadrive pump can be coupled with additional Dynadrive pumps to provide redundancy as well as increased flow rate at fixed pressure.

DynaDrive is our latest all-in-one home pressure system to solve water pressure issues. As a constant pressure pump, the variable speed drive maintains water pressure at a fixed point regardless of an increase or decrease in water demand for your household. The number of taps being used in your home doesn’t impact your water pressure or flow, with DynaDrive’s constant pressure, you can keep pressure constant and steady. As taps are turned off, the drive adjusts automatically, keeping the pressure constant while saving energy.

With DynaDrive you can expect:

• Consistent pressure when another tap is turned on
• Smooth and quiet flow
• Reduction in water hammer
• Reduced operating costs
• Quiet pump operation

DynaDrive features an integrated controller that is easy to set up and use. It allows you to set your desired water pressure while also being energy efficient. By reducing the pressure on your system when it’s not needed, DynaDrive reduces the energy consumed, saving you money.

DynaDrive has been certified and tested to comply with the requirements of the AS/NZS 4020 standard. The AS/NZS 4020 standard stipulates that products in contact with drinking water do not affect the taste or appearance of the water, do not support the growth of micro-organisms and do not release cytotoxic or mutagenic compounds or metals into the water.

Motor / power: 660W
Max. flow: 130T/min
Head: 59m
Inlet: 1.25″F / 32mm
Outlet: 1″F / 25mm
Pressure: 590kPa
Body: 304 Stainless Steel
Impeller:304 Stainless Steel
Stages: 304 Stainless Steel
Pump Shaft: 316L Stainless Steel
Stage Centring device: 304 Stainless Steel
Mechanical Seal : Carbon
Warranty on pump: 2 Years

Applications: 

Features: 
Horizontal multistage centrifugal pump with all hydraulic parts in stainless steel:

• Suitable for high water temperatures
• Corrosion & wear resistant

Axial suction & vertical discharge:

• Compact design
• Easy to install

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

• High efficiency
• Reduced power consumption
• Low noise output

Impellers mounted directly on extended motor shaft:

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

Pump casing assembly attached to motor bracket at 8 points with oring seal:

• Complete stainless casing
• Better sealing
• Longer service life

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

• Single-phase motors have built in thermal overload protection with automatic reset and 1.8m long power lead and Australian 3 pin plug
• Sealed and greased for life motor bearings
• Over sized drive bearing
• Longer life
• Easy service
• Economical & quiet running