PFS Helston LTD - Water, Electrical & Mechanical Engineering

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Variable Speed Pressurization

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What and Why?

Variable Speed Pumps will supply a constant pressure regardless of flow demand (within the capabilities of the pump), the greater the system demand the harder the pump works. To achieve smoother operation, the pump will start off slow and speed up as the demand for flow increases, giving seamless transitions in an ever changing system.

VSD's also reduce the pump wear extending their life expectancy; in many cases a VSD can reduce your electricity consumption.
Variable speed is perfect for large domestic or agricultural systems as well as industrial process.

Which is right for me?

There are many styles of VSD on the market, these are just a few of our favorites, that we would most recommend.
This is based on our own personal experience fitting and servicing different drives in a variety of market sector applications.

Tecnoplus 15-4M
Teknospeed
Water Cooled Hydrovar
Aquontroller MMA/W
Air Cooled Hydrovar
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Input Voltage
230v
230v
230v
230v
230v or 415v
Motor Current
Max 6.8Amps
Max 4.6Amps
Max 0.75KW
Single Phase Motor
up to 1.5kw
Max 27.8Amps
Pressure Sensor
Integral
4-20mA
Integral
4-20mA & Integral
0-10v & 4-20mA
Dry Run Protection
Low pressure cut out
Low pressure cut out & Float Switch
Low pressure cut out
Low pressure cut out & Float Switch
Low pressure cut out & Float Switch
Mounting
Integral to motor
(Inline available for submersibles)
TKS Motor Only
1" Pipe Mountable
11/4" Pipe & Wall Mountable Versions.
Universal Motor & Wall Mountable
Multi Pump Link
N/A
2 Pump Set
N/A
4 Pump Set
8 Pump Set
Datasheet & Technical Manuals

For more information on these products you can download the technical data manuals or speak to one of our sales personnel.


Also check out our range of Variable Speed Circulator pumps, for Domestic and Industrial use.

# NEW - Energy Efficiency Circulator Pump # Lowara have recently released their new energy efficient circulator pumps, we are most proud of the EA range featuring automatic speed adjustment according to the working conditions.
Available in 130 & 180mm, in both 4 & 6 meter versions.
Class 'A' efficiency and uses only 6watts at slowest speed.
Perfect for any domestic heating system.

Washdown & Pressure Boosting Sets We offer a wide range of solutions for boosting water pressure, from domestic to commercial applications; including agricultural wash-down sets for parlors and dairy's.
We can offer fixed or variable speed in single or multi pump setups, we offer a range of control options, from basic on/off & LED indication, to more complex solutions such as; SMS notification and remote web based interfaces.

About Us | Contact Us | PFS (Helston) Ltd, Water-Ma-Trout, Helston, TR13 0LW - Tel. 01326 565454 - Fax. 01326 565505