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EMAS pump

922 bytes added, 20:44, 4 October 2012

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The [[EMAS pump]] and [[Small household ferrocement watertanks |ferrocement tank ]] need to be operated correctly.

Using a ferrocement tank and Rural people are easily taught to build their own, using two (glass) marbles, simple PVC pipes, a shower thread adapters and additional tap for laundry or kitchen usage can be installed(galvanized) iron pipe, available in any hardware store. The tank pump uses a gasket that is arranged on 4 solid wooden supporting beams at a height made from the nylon-reinforced sidewall of about 2mused tires, which is widely available and already used in most rural areas for other purposes. The distance between the beams should not exceed 80 cmHaving built their own pump, people are able to maintain it forever. The shower can be installed under the tank by setting a plastic sheet around the beams to be used as a screen when taking a showerOnly basic hand tools required.

Using a ferrocement tank and pipes, it is possible to install a shower and additional tap for laundry or kitchen usage. The tank is arranged on 4 solid wooden supporting beams at a height of about 2m. The distance between the beams should not exceed 80 cm. The shower can be installed under the tank by setting a plastic sheet around the beams to be used as a screen when taking a shower.  Further , a laundry or kitchen basin is set up 80 cm high, and the faucet 1 meter high. The drain pipe is required with a diameter from 3/4" to 1 1/2". It has been observed that a 3/4" polyethylene hose is sufficient, and also very inexpensive. For the pipes to the faucet it is advisable to use PVC 1/2" pipes, with folding or coiled accessories. Accessories manufactured by hand will also be useful, since there is not much pressure in this system. '''Maintenance'''<br>The piston gasket (made from the nylon-reinforced section of a used tire) can wear slowly over time and and must occasionally be replaced. This can be done easily and in less than an hour by a user that understands the simple operation of the pump. If the pump is constructed properly, there will be a range in which the gasket can be adjusted to achieve the proper balance between ease of pumping and hydraulic efficiency between replacements.

==Costs==

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