1/4 inch electric valves- was Pressure sensor
Archiver
Posts: 46,084
Washing machines use a dual (hot & cold) valve. Icemakers and dishwashers
use a single valve but the nasty gotcha is: They are designed for
intermittent use and usually do not have a enough copper winding to avoid
overheating and burnout if energized for extended periods. I tried several
differant appliance type valves for a drip watering system and they all
failed.
I too, am looking for an economical source for small, low voltage valves,
preferably DC, to use with stamps to control city water up to 120 psi.
Wayne
At 03:45 PM 2/22/01 -0300, ACJacques wrote:
>Domestic washing machines uses low cost solenoids.
>
Wayne Roderick P.E. (EE, ret)
CEO, Teton Short Line, (NMRA life-1721)
e-mail tetonsl@i... Pocatello Idaho, USA
http://www.ida.net/users/tetonsl/railroad
Note new URL- /biz/ becomes /users/
use a single valve but the nasty gotcha is: They are designed for
intermittent use and usually do not have a enough copper winding to avoid
overheating and burnout if energized for extended periods. I tried several
differant appliance type valves for a drip watering system and they all
failed.
I too, am looking for an economical source for small, low voltage valves,
preferably DC, to use with stamps to control city water up to 120 psi.
Wayne
At 03:45 PM 2/22/01 -0300, ACJacques wrote:
>Domestic washing machines uses low cost solenoids.
>
Wayne Roderick P.E. (EE, ret)
CEO, Teton Short Line, (NMRA life-1721)
e-mail tetonsl@i... Pocatello Idaho, USA
http://www.ida.net/users/tetonsl/railroad
Note new URL- /biz/ becomes /users/
Comments
Thanks for the reply. I hadn't thought of an ice maker in a
refrigerator. My use would not be continuous, so it might work. The problem I
suspect here is that I need to run on 12 v. DC. and I suspect many such
solenoids will be 120 AC.
Regards, Theron
Wayne Roderick wrote:
> Washing machines use a dual (hot & cold) valve. Icemakers and dishwashers
> use a single valve but the nasty gotcha is: They are designed for
> intermittent use and usually do not have a enough copper winding to avoid
> overheating and burnout if energized for extended periods. I tried several
> differant appliance type valves for a drip watering system and they all
> failed.
>
> I too, am looking for an economical source for small, low voltage valves,
> preferably DC, to use with stamps to control city water up to 120 psi.
>
> Wayne
>
> At 03:45 PM 2/22/01 -0300, ACJacques wrote:
> >Domestic washing machines uses low cost solenoids.
> >
>
> Wayne Roderick P.E. (EE, ret)
> CEO, Teton Short Line, (NMRA life-1721)
> e-mail tetonsl@i... Pocatello Idaho, USA
> http://www.ida.net/users/tetonsl/railroad
> Note new URL- /biz/ becomes /users/
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
ACJacques
Wayne Roderick wrote:
>
> Washing machines use a dual (hot & cold) valve. Icemakers and dishwashers
> use a single valve but the nasty gotcha is: They are designed for
> intermittent use and usually do not have a enough copper winding to avoid
> overheating and burnout if energized for extended periods. I tried several
> differant appliance type valves for a drip watering system and they all
> failed.
>
> I too, am looking for an economical source for small, low voltage valves,
> preferably DC, to use with stamps to control city water up to 120 psi.
>
> Wayne
>
> At 03:45 PM 2/22/01 -0300, ACJacques wrote:
> >Domestic washing machines uses low cost solenoids.
> >
>
> Wayne Roderick P.E. (EE, ret)
> CEO, Teton Short Line, (NMRA life-1721)
> e-mail tetonsl@i... Pocatello Idaho, USA
> http://www.ida.net/users/tetonsl/railroad
> Note new URL- /biz/ becomes /users/
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
you can get that use a regular hose fitting. Look in the hardware store under
sprinkler systems.
Also,
The valves used in sprinkler systems are 24 VAC and are made for city pressures.
They are not very expensive, and they will hold open for several minutes
without damage - the water flow helps to cool them. Toro and Rainbird are two
manufacturers I know with pretty good quality.
Tom O'Brien
> Washing machines use a dual (hot & cold) valve.
> Icemakers and dishwashers
> use a single valve but the nasty gotcha is: They
> are designed for
> intermittent use and usually do not have a enough
> copper winding to avoid
> overheating and burnout if energized for extended
> periods. I tried several
> differant appliance type valves for a drip watering
> system and they all
> failed.
>
> I too, am looking for an economical source for
> small, low voltage valves,
> preferably DC, to use with stamps to control city
> water up to 120 psi.
Try looking in the Grainger catalog. They have 12 and
24 volt solenoid valves that will easily cover 120 psi
for both normally open and normally closed. About the
cheapest will be approx $35 ~ $40.
Check out part #: CAT66P-012-D, it is a 12 VDC NC
valve.
Ross Cooper
klutch66@y...
__________________________________________________
Do You Yahoo!?
Yahoo! Auctions - Buy the things you want at great prices!
http://auctions.yahoo.com/
> valves, preferably DC, to use with stamps to control city water up to
120
> psi.
Define economical...
Grainger has valves and coils that you can mix and match. About $15 for
the coil (sorry, my greatly outdated 1994 catalog lists only AC coils)
and about $15 for a valve (2 way NC, brass, 1/4" pipe, 1/8" orifice,
0-150 PSI). You might also check out ASCO or Precision Dynamics. Sorry,
no contact information other than that I think PreDyne is located in
Milford, Conn....???
MEAD - white metal
Clippard - brass and stainless
PeterPaul - steel, stainess and chrome
McMaster Carr - ??
Pnuetronics, - small circuit board units/medical supplies
Sorry, All I have is catalogues and no links.
--- In basicstamps@y..., agarb@j... wrote:
> > I too, am looking for an economical source for small, low voltage
> > valves, preferably DC, to use with stamps to control city water
up to
> 120
> > psi.
>
> Define economical...
>
> Grainger has valves and coils that you can mix and match. About
$15 for
> the coil (sorry, my greatly outdated 1994 catalog lists only AC
coils)
> and about $15 for a valve (2 way NC, brass, 1/4" pipe, 1/8"
orifice,
> 0-150 PSI). You might also check out ASCO or Precision Dynamics.
Sorry,
> no contact information other than that I think PreDyne is located in
> Milford, Conn....???
>> I too, am looking for an economical source for small, low voltage
>> valves, preferably DC, to use with stamps to control city water up to
>120
>> psi.
>
>Define economical...
$10 each from a surplus source. Found some a while back in a Herbach
Rademan catalog- Ordered and found a stock of ONE! 3/4" and 1" sprinkler
valves are economical but non functional or unreliable for very limited
flow rates such as used in drip watering. A great stamp project IF we can
find the valves.
Wayne Roderick P.E. (EE, ret)
CEO, Teton Short Line, (NMRA life-1721)
e-mail tetonsl@i... Pocatello Idaho, USA
http://www.ida.net/users/tetonsl/railroad
Note new URL- /biz/ becomes /users/
psi. continuous duty. $33 each in 5 piece lots.
Part# 52Z0860LSGM uprated to 175 psi.
Steve Chlupsa
SMC Enterprises
270-522-9376