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joe.b

  • Posts: 368
drain jetter machine
« on: October 22, 2009, 05:44:30 pm »
hi i was just wondering, you can get those purpose built drain jetters, can you use them for driveways etc? or is there some reason why you cant
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trevor perry

  • Posts: 2454
Re: drain jetter machine
« Reply #1 on: October 22, 2009, 06:58:45 pm »
the proper drainjetting machines run at about 45ltrs a minute or more and this is too much for drive cleaning where you only need between 15 and 22 litres a minute, having said that i have cleared a few drains using my pressure washer and a drain cleaning jet but it wouldnt be powerful enough if there was a serious blockage.
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better to remain silent and be thought a fool than to speak out and remove any doubt

drive surgeon

  • Posts: 2812
Re: drain jetter machine
« Reply #2 on: October 22, 2009, 10:21:17 pm »
hi trev cant you just turn the revs down on the machine?
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BDCS

  • Posts: 4777
Re: drain jetter machine
« Reply #3 on: October 22, 2009, 11:35:50 pm »
Yes but then you have to match the oriface to the flow at the given revs. Flow is inversely proportional to pressure. I have drive cleaning kit and a drain jetting machine. The drain jetter uses 400ltrs in 8 minutes so its not very practical for cleaning drives but I have used the drive kit for drains also
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drive surgeon

  • Posts: 2812
Re: drain jetter machine
« Reply #4 on: October 23, 2009, 11:06:16 am »
i was going to buy tech cleans drain jetter for pressure washing as it had a hose reel on the top of it which was handy. it produces more pressure than the 15 litres a minute 3600 psi. ???
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BDCS

  • Posts: 4777
Re: drain jetter machine
« Reply #5 on: October 23, 2009, 12:22:44 pm »
No more pressure just an increased flow. Its 21ltrs @ 200 bar instead of 220 bar
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drive surgeon

  • Posts: 2812
Re: drain jetter machine
« Reply #6 on: October 23, 2009, 01:50:51 pm »
would that be no good then? i suppose i would be using a hell of a lot of water!!

if the pressure does not increase with flow rate whats the point in having a higher flow rate?
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Andy Foster

  • Posts: 938
Re: drain jetter machine
« Reply #7 on: October 23, 2009, 08:17:21 pm »
They are totally different machines for doing totally different jobs!
That is why they are called different things. ??? :o ???

Geeez DS, for a man who has been in this game for such a long time and has so much experience, you don't half ask some strange questions.
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BDCS

  • Posts: 4777
Re: drain jetter machine
« Reply #8 on: October 23, 2009, 08:55:32 pm »
DS for the given engine ie 13 hp you can have more pressure @ a lower flow OR more flow @ a lower pressure. I myself see no advantage in having any more than the 15 l/min as thats about the usual flow in a domestic garden tap. I started out with the tech clean drain hose and I still use it when I get drain jobs in multi storey car parks where I can't get my hi top in - I put it in the bouncy castle van and off I go.
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