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drifter
Joined: 01 Feb 2012
Posts: 5
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 Posted: Tue Feb 21, 2012 8:25 pm Post subject: Need a manual Water brake Load Valve where to get? |
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| I am building a system with an old DTS 850 absorber with a 5hp pump and will be testing mostly sb chevys up to 580hp I am looking to buy a manual load valve i didn't want to buy it from a dyno shop unless i have to.I did some research and from what i have read they say not to use a gate valve so i think i need a Needle or globe or butterfly valve i was thinking 1-1/2NPT can i get some help with this to make sure i get the correct one |
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drifter
Joined: 01 Feb 2012
Posts: 5
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| Posted: Wed Feb 22, 2012 11:26 am Post subject: |
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| All these views and no suggestions? Come on guys some of you must have built your own setup |
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Warpspeed
Joined: 05 Jun 2006
Posts: 483
Location: Melbourne
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| Posted: Wed Feb 22, 2012 2:14 pm Post subject: |
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I don't know what the commercial water brake guys use, but if I was doing it myself, I would probably either fit a VFD to the water feed pump, or use an external turbocharger wastegate controlled by PWM from my shop compressed air supply.
Whatever you use, needs to be fast acting, linear, and powerful, to work against considerable water pressure.
Some compressed air will readily provide the muscle, and the air line pressure can be very easily controlled. |
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StantonWarrior
Joined: 10 Dec 2010
Posts: 188
Location: UK
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| Posted: Tue Mar 20, 2012 11:35 pm Post subject: |
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| I think I've got a land and sea one spare you can have for cheap... Pm me and I will dig it out on the weekend. |
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