Posted by NCWayne on October 09, 2018 at 00:04:59 from (40.142.136.241):
In Reply to: Hydraulic flow meter posted by Millt0201 on October 08, 2018 at 19:49:43:
The WebTec meter that Northern carries will be OK for the stuff you'll run into on average. Like Tractor Vet I've got one of the high dollar ones with all the bells and whistles that I keep in a separate box for testing pumps up to 100 GPM, but I also keep one of the type your looking at on the truck all the time to check flows on smaller systems.
I doubt you'll ever run into anything over 20-30 GPM, and that's the main thing you'll be looking at. The WebTec meter will do 32 GPM, and has a top port that you can put a pressure gauge in, so you'll be OK there. Since hydraulics require both flow, and pressure to operate correctly, and the two are often dependent on each other, the only problem with the meter alone is it doesn't have a built in load valve. To do an accurate flow test you've got to be able to apply a load, so you'll need a way to do that. All you have to do is put a needle valve (capable of flowing 32GPM) on the outlet side of the meter. With that, you can slowly close the valve to create a load. The one thing you've got to be cautious of is to NEVER EVER close the valve all the way, or you risk damaging the meter, the pump, or whatever turns out to be the weak link.
I hope this helps you out some. If you've got any questions, post back and I'll do my best to answer them.
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