New Topic - Water Pressure [RE-wrenches]

[Lawrence Elliott]

> Hullo there...
>
> I am inviting comment on one of the most difficult problems I face.
>
> In a remote installation the most common way in NZ to achieve water
pressure for a residence is to use an
> AC pump with a small pressure chamber.
>
> This is when the client does not want to have a 'header tank' on a
high stand.
>
> Now this 'on demand' water pressure system is very energy hungry.
Typically the pumps have a high surge
> start and cycle on and off constantly under low flow demand
conditions.
>
> Now one approach is to replace the AC pump motor with a DC equivalent.
Over here 48 Volt 1.5 HP motors
> are hard to find. If you can get one then this will help to solve the
problem, it will also reduce the
> light flicker every time you turn on a tap.
>
Carl> Get on line and check out the new Grundfos SQ line of pumps. Can
use as submersible or horizontally as jet pump replacement. With option
can use without pressure tank for contant pressure. Zero surge and it is
quite efficient. Use them all the time on inverter systems.
Larry Elliott

>

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com

==^================================================================
EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9
Or send an email To: RE-wrenches-unsubscribe at topica.com
This email was sent to: michael.welch at homepower.com

T O P I C A -- Register now to manage your mail!
http://www.topica.com/partner/tag02/register
==^================================================================