stoutfella Posted April 8, 2012 Share Posted April 8, 2012 I've recently moved into a new house and have already suffered power outages which means I have no water available as it's all pumped. I'm hoping to install a backup gravity feed system which swithes autiomatically so fo this I am looking for solenoid valves. Does anyone have any infomation about solenoid valves in Thailand and where I might purchase them? Many thanks in advance if you can help. Link to comment Share on other sites More sharing options...
Naam Posted April 8, 2012 Share Posted April 8, 2012 Does anyone have any infomation about solenoid valves in Thailand and where I might purchase them? in shops for irrigation systems, 24 volt supply. but for your purpose you need at least one "reverse action" solenoid that opens when there's no power and closes when there is. not easy to get (i think). Link to comment Share on other sites More sharing options...
Crossy Posted April 8, 2012 Share Posted April 8, 2012 How about this. Ball (float) valve in your gravity tank to keep it full when the power is on. 1-way (non-return) valve in the tank discharge line to stop it over filling via the outlet when the pump is on. Another 1-way valve in the inlet pipe to stop your valuable water going back into the supply. Something like this:- Simple, cheap and completely automatic, and it needs no power Link to comment Share on other sites More sharing options...
Naam Posted April 9, 2012 Share Posted April 9, 2012 Simple, cheap and completely automatic, and it needs no power where's the fun Crossy? no compliance with 17 norms of anglo-saxon-oz sparky guidelines. no wiring and calculating wiring diameters, wattage and amps. no RFCGFCIXMB 10 mA sensitivity protection switch. no proper earthing and no 24V transformer required. 1 Link to comment Share on other sites More sharing options...
necronx99 Posted April 9, 2012 Share Posted April 9, 2012 He could run air pipes through the tank to cool the house! Link to comment Share on other sites More sharing options...
Naam Posted April 9, 2012 Share Posted April 9, 2012 and breed fish? Link to comment Share on other sites More sharing options...
Pacificperson Posted April 9, 2012 Share Posted April 9, 2012 Put some plexiglass in the sides and he can watch the fish instead of TV. Link to comment Share on other sites More sharing options...
bbradsby Posted April 13, 2012 Share Posted April 13, 2012 then just add nekkid TGFs and the thread's done! seriously, tho, no solenoids & electrical circuits should be necessary IMHO - maybe a hand-cranked pipe valve at bottom of gravity tank. Follow the water: power off, turn on faucet, if water level of backup tank is above said faucet, it will flow. More head height, more pressure. No electricity required. Many olden day systems would use windmills [pumps] to get water above the occupied spaces and then let gravity feed the system. On Earth, gravity never goes off-line, except in subatomic physics. Link to comment Share on other sites More sharing options...
Naam Posted April 14, 2012 Share Posted April 14, 2012 seriously, tho, no solenoids & electrical circuits should be necessary IMHO - maybe a hand-cranked pipe valve at bottom of gravity tank... ...which is cranked by a curvy nekkid girlfriend. technical advice: the pipe should be installed in a loop going all the way down to the ground where the hand-cranked pipe valve is fixed and then up again to the house supply (the loop will neither reduce pressure nor flow!). reason: the nekkid girlfriend has to bend over to hand-crank the valve Link to comment Share on other sites More sharing options...
bankruatsteve Posted April 14, 2012 Share Posted April 14, 2012 So, where do you get a hand crank valve driving by a nekked TGF? Oops, she's looking at my post so maybe I don't need one. Link to comment Share on other sites More sharing options...
bbradsby Posted April 15, 2012 Share Posted April 15, 2012 reason: the nekkid girlfriend has to bend over to hand-crank the valve Just for clarification on how to construct, mind you, could you please provide pix of said assembly complete with nekkid TGF operator? Link to comment Share on other sites More sharing options...
Naam Posted April 15, 2012 Share Posted April 15, 2012 reason: the nekkid girlfriend has to bend over to hand-crank the valve Just for clarification on how to construct, mind you, could you please provide pix of said assembly complete with nekkid TGF operator? posting nekkid girls is against forum rules. Link to comment Share on other sites More sharing options...
stoutfella Posted April 16, 2012 Author Share Posted April 16, 2012 Crossy many thanks for your elegant solution. That will do exactly what I want providing there is sufficient head of water to operate the one-way valve in the forward direction. To the other contributors, enjoy your fantasies! Link to comment Share on other sites More sharing options...
TommoPhysicist Posted April 16, 2012 Share Posted April 16, 2012 Remove the lower 1 way valve from Crossy, along with that section of pipe. Just use all your water from the tank. This is the way all houses in the UK are plumbed. That way the water will always be fresh. Link to comment Share on other sites More sharing options...
necronx99 Posted April 16, 2012 Share Posted April 16, 2012 Remove the lower 1 way valve from Crossy, along with that section of pipe. Just use all your water from the tank. This is the way all houses in the UK are plumbed. That way the water will always be fresh. And he will only have gravity pressure? Link to comment Share on other sites More sharing options...
Crossy Posted April 16, 2012 Share Posted April 16, 2012 Remove the lower 1 way valve from Crossy, along with that section of pipe. Just use all your water from the tank. This is the way all houses in the UK are plumbed. That way the water will always be fresh. And he will only have gravity pressure? Only one of my homes in the UK was plumbed with loft (attic) cold water storage and that was the one built in 1899. All the others had cold taps and electric showers direct off the rising main and a small header in the loft for the central heating and hot cylinder. Link to comment Share on other sites More sharing options...
handydog Posted April 16, 2012 Share Posted April 16, 2012 Remove the lower 1 way valve from Crossy, along with that section of pipe. Just use all your water from the tank. This is the way all houses in the UK are plumbed. That way the water will always be fresh. And he will only have gravity pressure? Correct. 20 foot of head should be sufficent to operate any callifonts. Link to comment Share on other sites More sharing options...
harrry Posted April 16, 2012 Share Posted April 16, 2012 reason: the nekkid girlfriend has to bend over to hand-crank the valve Just for clarification on how to construct, mind you, could you please provide pix of said assembly complete with nekkid TGF operator? Now now....Thai girls are not like German ones....No flip flops. Link to comment Share on other sites More sharing options...
Naam Posted April 16, 2012 Share Posted April 16, 2012 20 foot of head should be sufficent to operate any callifonts. what the eff is a callifont? Link to comment Share on other sites More sharing options...
necronx99 Posted April 16, 2012 Share Posted April 16, 2012 20 foot of head should be sufficent to operate any callifonts. what the eff is a callifont? A water heater. (NZ) Link to comment Share on other sites More sharing options...
handydog Posted April 16, 2012 Share Posted April 16, 2012 20 foot of head should be sufficent to operate any callifonts. what the eff is a callifont? eff is the 6th letter in the alphabet. It is also likely that the eff contributes about 15% instantanious heat to the water passing through... Link to comment Share on other sites More sharing options...
TommoPhysicist Posted April 16, 2012 Share Posted April 16, 2012 (edited) 20 foot of head should be sufficent to operate any callifonts. what the eff is a callifont? 'On demand' water heater, usually gas fueled. Edited April 16, 2012 by TommoPhysicist Link to comment Share on other sites More sharing options...
Naam Posted April 17, 2012 Share Posted April 17, 2012 20 foot of head should be sufficent to operate any callifonts. what the eff is a callifont? A water heater. (NZ) 20 foot head = ~0.6bar = ~8.8 psi might operate a "callifont" but would drive me crazy when taking a shower. Link to comment Share on other sites More sharing options...
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