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Water pump ( big )

 
 
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baloo
Articulating


Joined: 02 Nov 2003
Odometer: 942
Location: Redditch



PostPosted: Sat Oct 12, 2013 3:47 pm    Post subject: Water pump ( big ) Reply with quote

hello guys
l need some info on a water pump and there was someone on here who helped me before but l cant remember who it was Embarassed

we have stripped my crash tender to make into an offroader and in doing so l removed the water pump and cannon, Idea would make one hell of a water feature in the garden Question so waste not want not l am going to try and make it into a fountain Shocked Shocked Rolling Eyes

but what l dont know is if the pump will suck water out of the pond or if it needs to be fed with water which is a bit more tricky but still doable

so pics below anyone know if this will suck water in once primed ??

in the crash tender it had 1000 gallons of water sitting in a tank above it which dropped in with gravity l would like to throw a suction hose in the pond and draw water in and see how high l can get the fountain with different nozzels, as you do




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Xpajun
Mud Obsessed


Joined: 22 Sep 2008
Odometer: 3245



1988 Mitsubishi Shogun

PostPosted: Sat Oct 12, 2013 4:42 pm    Post subject: Reply with quote

I don't think a centrifugal pump can suck... not sure



Submerge it and lengthen the shaft?
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gadgetboy
Off-Road Guru


Joined: 03 Sep 2005
Odometer: 1947
Location: Belfast, N. Ireland



PostPosted: Sat Oct 12, 2013 5:17 pm    Post subject: Reply with quote

It'll need to be primed then it'll work fine. The little plate on the top is the blank for fitting primer.

You're talking gallons per second with that beast!

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Move along. Nothing to see here.
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dxmedia
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Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Sat Oct 12, 2013 6:19 pm    Post subject: Reply with quote

Seconded with priming it. Non return may help when it's switch off.
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baloo
Articulating


Joined: 02 Nov 2003
Odometer: 942
Location: Redditch



PostPosted: Sat Oct 12, 2013 7:56 pm    Post subject: Reply with quote

thank you chaps

for priming can l just fill it with water before l start the engine ? or do l need a vacuum pump, l would guess filling it with water would work as thats how the small honda ones work ??

l think it might be around 33 gallons a second, as it has a 1000 gallon tank which lasted 30 seconds

the spec of the crash tender called for at least 150 feet jet
since it was a 4" nozzel and l am thinking around 2" might be better then l would expect more than 150 feet ?? next door should be impressed not lol



shame to cut the old girl up but she will live again






Last edited by baloo on Sat Oct 12, 2013 9:13 pm; edited 1 time in total
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Wilbert Robinson
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Joined: 11 Jul 2008
Odometer: 685




PostPosted: Sat Oct 12, 2013 8:07 pm    Post subject: Reply with quote

Put a non-return valve on the inlet and outlet pipes of the pump. If the pump discharge pipe is higher than the pump fit a 1" pipe with valve from discharge pipe to inlet pipe and you can use the water in the discharge pipe as priming water if the pump goes dry.
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Foreplay does not require a four wheel drive

Get your mind out of the gutter................it's blocking my view
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excossack
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Joined: 06 Mar 2005
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Location: Somewhere



PostPosted: Sat Oct 12, 2013 9:37 pm    Post subject: Reply with quote

Is that to be combined with the Zil ?
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Thanks - John
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baloo
Articulating


Joined: 02 Nov 2003
Odometer: 942
Location: Redditch



PostPosted: Sun Oct 13, 2013 7:40 am    Post subject: Reply with quote

excossack wrote:
Is that to be combined with the Zil ?


well not combined but kept in the same stable

l one zil has been dug out so l can finish fitting the perkins V8 and autobox
cab has been removed and just a space frame is going on, currently modifying leyland daf wheels to accept the 500x520x508 tyres
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jeepmadmike
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Joined: 08 May 2005
Odometer: 4573
Location: between 6000+7000 rpm and Devon



PostPosted: Thu Oct 17, 2013 8:53 pm    Post subject: Reply with quote

I've had alsorts of games with second hand pumps people want to use on sites

Lots will handle non flooded sucking lots don't

I have found keeping the suction line bigger than the pump inlet helps

What are you going to drive it with?

__________________________________
Land Rovers are the root of all evil!

Now i have gone and bought a D4!

one day i might buy a 86" series one like my dad had when i was a boy.
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nivapilot
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PostPosted: Fri Oct 18, 2013 10:58 am    Post subject: Reply with quote

jeepmadmike wrote:

What are you going to drive it with?


garden pond. Wink
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Wilbert Robinson
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Joined: 11 Jul 2008
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PostPosted: Fri Oct 18, 2013 8:31 pm    Post subject: Reply with quote

On a centrifugal pump you can control the flow by throttling in on the discharge valve without damaging the pump.
__________________________________
Foreplay does not require a four wheel drive

Get your mind out of the gutter................it's blocking my view
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Toseland
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Joined: 25 Oct 2011
Odometer: 3209
Location: cardiff


1999 Suzuki Vitara

PostPosted: Fri Oct 18, 2013 11:01 pm    Post subject: Reply with quote



+ your pump... = epic

__________________________________
I live by 2 sayings:
1. The beatings will continue until morale improves
2. Pain is just Weakness leaving the body..

The feeling you get when you first smash your shaft out, is one you will never forget.. especially if you do it in front of 10 guys.
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baloo
Articulating


Joined: 02 Nov 2003
Odometer: 942
Location: Redditch



PostPosted: Sun Oct 20, 2013 8:03 am    Post subject: Reply with quote

jeepmadmike wrote:
I've had alsorts of games with second hand pumps people want to use on sites

Lots will handle non flooded sucking lots don't

I have found keeping the suction line bigger than the pump inlet helps

What are you going to drive it with?


l have a 150 cummins engine out of a 7.5 ton lorry , over kill perhaps but its free, l guess l need to fit a strainer to the end of the inlet pipe other wise the fish will get altitude sickness

still waiting on weldable elbows so as l can couple pump to cannon

Andy
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jojo
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Joined: 11 Aug 2007
Odometer: 5422




PostPosted: Sun Oct 20, 2013 9:27 am    Post subject: Reply with quote

With the huge amount of "suck" that pump will have you may need a very large strainer surface so that the fish can swim away against the suction. Perhaps an under water mesh fence in a corner of the pond with the suction hose behind the fence.

The alternative is to supply the local fish and chip shop with fish who could claim that their fish are freshly delivered by air!

J
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rabbitrr
Gate Opener


Joined: 02 Jan 2011
Odometer: 6
Location: Brize Norton


2005 Vauxhall Frontera

PostPosted: Sun Oct 20, 2013 6:59 pm    Post subject: Reply with quote

Garden pond...lol...

A number of years ago (mid 90's IIRC) I was stationed on a certain Fighter Base somewhere in the UK

The Bomb Site there had 3 Emergency Water Storage Tanks (EWS) within the fenced area, piped to a remote take off point outside of the fence. These tanks, quite strangly happenend to have carp in them. Baby carp, not so baby carps and fully grown carp that were looking for a new home.

Now, the Fire Section (with Carmichael Fire Engines) were tasked to clean out the EWS tanks across the airfield every now and again. These particular tanks however for some unknown reason used to get missed.

One, fine sunny week the Fire Section get a temp replacement crew in, who being helpfull lads went round the site doing the EWS tanks over their weekend shift...

It transcribed that Tank No2, at 200,000 ltrs did not take long to empty, apparently they had it sorted in something like 3/4 hour from the remote take off point Shocked

The fishes did not slow the pump down.... Laughing
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