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water pump
Stra
#1 Posted : Wednesday, June 24, 2009 9:33:00 PM
Rank: Member

Joined: 1/27/2009
Posts: 70
Good SKs,

anyone with info on where i can get a cheap diesel water pump 5.5 or 6.5 Hp? What's the price range?

'A ship in harbour is safe; but that is not what ships are made for'.

kigege
#2 Posted : Thursday, June 25, 2009 9:32:00 AM
Rank: Member

Joined: 4/14/2008
Posts: 15
SKerians,
Am looking forward to beginning farming in October on a 10Acre piece. piped water present but unreliable. Anyone in the forum with idea on;
-water requirement per acre
-the most appropriate pump power-there's a permanent river downstream,like 200M.
-size of storage tank required

your input with be highly appreciated.
mukiha
#3 Posted : Friday, June 26, 2009 1:53:00 PM
Rank: Elder

Joined: 6/27/2008
Posts: 4,114
Get youself a Hydram pump. Never needs fuel or electricity!! Runs on the flow of the river and has no rotating part!!

Invented centuries ago...my dad has one in his shamba and supplies water to about ten other families!!

This is how it works: [from Wikipedia]
Initially,the waste valve [4] is open,and the delivery valve [5] is closed. The water in the drive pipe [1] starts to flow under the force of gravity and picks up speed and kinetic energy until it forces the waste valve closed. The momentum of the water flow in the supply pipe against the now closed waste valve causes a water hammer that raises the pressure in the pump,opens the delivery valve [5],and forces some water to flow into the delivery pipe [3]. Because this water is being forced uphill through the delivery pipe farther than it is falling downhill from the source,the flow slows; when the flow reverses,the delivery check valve closes. If all water flow has stopped,the loaded waste valve reopens against the now static head,which allows the process to begin again.

A pressure vessel [6] containing air cushions the hydraulic pressure shock when the waste valve closes,and it also improves the pumping efficiency by allowing a more constant flow through the delivery pipe.






Behind the gardens...Behind the wall...Under the tree (Including: Red...Dark Blue...Yellow)
Nothing is real unless it can be named; nothing has value unless it can be sold; money is worthless unless you spend it.
kigege
#4 Posted : Monday, June 29, 2009 11:48:00 AM
Rank: Member

Joined: 4/14/2008
Posts: 15
@Mu-something!
Now that ur old man used it,i have some clarification from u.
1. Does the water need to have a high headway-to provide the initial pressure?
2. Can this work for a slow moving river like 15M lower in altitude?
Dollar Man
#5 Posted : Monday, June 29, 2009 8:57:00 PM
Rank: Member

Joined: 6/7/2009
Posts: 7
@ Mukiha,

Got a question too. Are there any local suppliers of the hydram pump? How about servicing? To be honest,I've never heard of the thing b4. The technology behind it looks simple but awesome.

Your future depends on your dreams; so,go to sleep.
Okonkwo
#6 Posted : Tuesday, June 30, 2009 6:44:00 AM
Rank: Member

Joined: 1/29/2009
Posts: 85
I would recommend Honda 5.5 but for Premium not Diesel. It serves me very well on my 12ac land. Very powerful. Buy from Davis & Shirtliff abt 35K VAT inclusive. They will give u warranty and spares.
machachari
#7 Posted : Tuesday, June 30, 2009 11:37:00 AM
Rank: Member

Joined: 6/5/2007
Posts: 9
since we are talking about pumps.I have a 4.0 petrol pump frm honda...the problem is it refuses to pump water from a 20 foot well,i was told to use a foot valve but it aint helping either what can i do?help plz,someone.

machachari msee hatari
mukiha
#8 Posted : Wednesday, July 01, 2009 7:09:00 AM
Rank: Elder

Joined: 6/27/2008
Posts: 4,114
The below shows the yields (expressed in litres delivered in 24 hours) for hydrams with efficiencies of 66 percent,a supply of 1 litre per minute,and with the working fall (drop from water source to the pump) and lift (height to which water is to be pumped) shown in the table.

For supplies greater than 1 litre/minute,simply multiply by the number of litres supplied.





Working Fall (m)



Lift - Vertical height to which water is raised above ram (m)















5



7.5



10



15



20



30



40



50



60



80



100



125









1.0



144



77



65



33



29



19.5



12.5





























1.5







135



96.5



70



54



36



19



15

























2.0







220



156



105



79



53



33



25



19.5



12.5

















2.5







280



200



125



100



66



40.5



32.5



24



15.5



12













3.0











260



180



130



87



65



51



40



27



17.5



12









3.5















215



150



100



75



60



46



31.5



20



14









4.0















255



173



115



86



69



43



36



23



16









5.0















310



236



155



118



94



71.5



50



36



23









6.0



















282



185



140



112



93.5



64.5



47.5



34.5









7.0























216



163



130



109



82



60



48









8.0



























187



149



125



94



69



55









9.0



























212



168



140



105



84



62









10.0



























245



187



156



117



93



69









12.0



























295



225



187



140



113



83









14.0































265



218



167



132



97









16.0



































250



187



150



110









18.0



































280



210



169



124









20.0







































237



188



140











Behind the gardens...Behind the wall...Under the tree (Including: Red...Dark Blue...Yellow)
Nothing is real unless it can be named; nothing has value unless it can be sold; money is worthless unless you spend it.
pinkpanther
#9 Posted : Wednesday, July 01, 2009 12:23:00 PM
Rank: Member

Joined: 6/25/2009
Posts: 63
@Mukiha.Pls respond to Dollamans quests below.Are there supppliers of these pumps in Kenya.Whats the average cost.

pink
mukiha
#10 Posted : Thursday, July 02, 2009 4:34:00 AM
Rank: Elder

Joined: 6/27/2008
Posts: 4,114
Don't know any local supplier. My dad bought his from a former mzungu plantation in Nanyuki. It was in a dilapidated state but a jua-kali artisan repaired it.

The design is so simple that I think you can easily fabricate one for your self.

Alternatively,you can import one from India...prices range around US$300....

Behind the gardens...Behind the wall...Under the tree (Including: Red...Dark Blue...Yellow)
Nothing is real unless it can be named; nothing has value unless it can be sold; money is worthless unless you spend it.
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