JETTER-HOSE PRESSURE-DROP COMPARISON - "GET" JETTING with JONESIE
HTML-код
- Опубликовано: 15 май 2017
- Comparing Pressure Drop through 2 different mini-hose sizes with 9gpm Jetter:
In this segment of "Get Jetting", Jonesie takes us through a comparison of the Pressure-Drop seen thru 300-feet of 1/4"(.25"I.D.) vs. 300-feet of 5/16"(.31"I.D.) Jetting Hoses. The result is a dramatic 45% difference in net GPM/PSI performance, with only a 1/16"(.06") 20% net difference in hose I.D. (Inside-Diameter). Note also that both hoses are run using the same 8-GPM Warthog 1/4" Nozzle, and both hoses are fed by the same 9gpm/4000psi Jetting-System. The comparison results:
(a) 300-feet of 1/4" (.25"I.D.) Jetter-Hose: net 6-GPM at 2100-PSI (12,600 C.U.)
(b) 300-feet of 5/16"(.31"I.D.)Jetter-Hose: net 7-GPM at 3300-PSI (23,100 C.U.)
C.U. = "Cleaning Units" of Power (GPM x PSI = CU)
"Get" Jetting! www.jettersnorthwest.com
#jetter, #getjetting, #drainspecialist, #drains, #hydrojetting, #jetter, #sewercleaning, #eaglejetter, #sewercleaner, #greasetrap, #sewerbackup, #eagle200, #eagle300, #jetternozzle, #brutejetter, #trailerjetter, #jnw, #sewerroots, #warthognozzle, #reapernozzle, #rootrangernozzle, #penetratornozzle 
Кино
Thanks for posting this! I have always wondered how these systems work!
Very cool. I was thinking about pressure drop simply with backyard garden hoses connected together.
I need to build a setup like that to test my nozzles and hose pressure and flow rate....
Is this mainly due to the length? If they were both only 50' would the two hoses read pretty similar and have hardly no pressure drop?
Actually both hoses were 300-feet -- the difference is the inside-diameter: the 5/16"(.3125") builds less back-pressure since it is 25% larger in diameter than the 1/4"(.250"). The smaller the hose-diameter the more pressure-buildup it takes to push water through it, and any pressure that is "lost" to pushing water through the hose is not available to push water out of the nozzle
Your are correct in that only 50-feet of hose would not be nearly as dramatic a difference. Also see my previous comment below (if you have not already)
That’s actually a 25% increase in ID size from 4/16” to 5/16”
Indeed! And the Area increases by over 50% !
How many gpm can you get out of a 1/4 inch hose
We recommend about 6-GPM maximum thru 1/4"ID jetting-hose to minimize "pressure drop" thru the jetting-hose, but you can do up to about 8gpm thru 1/4"ID jetting-hose except that flow radically increases the pressure-drop (depends on hose-length of course)
Top mesin nya
So what’s the correct answer if you want to use 1/4 hose? How do I gain max pressure and gpm coming out of my hose??
What are the GPM and PSI specs of your jetter?
@@JETTERSnorthwest 8gpm- 3500 psi jetter
@@JETTERSnorthwest in this video are you saying I shouldn’t use 1/4 ?
@@DTSupstateNY I'm sorry we missed your reply! I'm not saying don't use 1/4"; I'm pointing out that 5/16" hose can offer better performance -- especially when operating an 8+GPM jetters like yours, and especially when using longer lengths like 200 or 300 feet of hose. Again I'm sorry for the slow reply! JONESIE
What’s the gpm you can get out of a 3/8 hose thanks
We recommend 10-GPM maximum to minimize "pressure drop" thru 3/8"ID jetting-hose, but you can do up to about 14gpm thru 3/8"ID hose except that GPM radically increases the pressure-drop (depends on hose-length of course)
I look on your site are you guys still selling this hose
Yep the most common 5/16" hose that our parts-team stocks is 200-feet long. It is not on the website - just call 877-901-1936 and ask for jetter-hose sales (PS - sorry i missed commenting earlier!!)
off to the home depot
That's all well and good but there's a flaw in your scenario that you didn't account for your one holes is on board your external one was hooked to other hoses on that machine therefore that's going to make your pressure drop because you're running more hoes to hook the other one that's not on board to the machine versus the one that's already on board that has its own hose. And not to mention the second demonstration your motor was 10 times louder I could barely hear what you were saying so what you do after fire up the second engine first one I could hear you playing his day with the motor running second one I can barely hear you
Hi regarding the 1/4" Jetting hose that was not "on board" take another look an you will see at the 2:30 mark that we placed a PSI gauge just before the 1/4" Jetting hose to isolate it. That gauge is downstream of the "other hoses" you mentioned so they are in no way affecting our test. I apologize for the sound-quality, we have better microphones now 🙂 Thanks for commenting and watching
And you really need to rewatch your video yourself you are not accurate on your system you claim you're running each one of them separately. but you are not you are running the red one off another hose . every foot of hose that you have you lose pressure from so you're hooking two hoses together .versus the black one is running by itself directly to the pump
The feeding-hose is prior to gauge #1 so it is a non-factor in the pressure-drop between that gauge #1 and the gauge #2 reading 2100-PSI near the nozzle. But that feed-hose indeed caused a loss of about 100-PSI BEFORE our gauge #1 -- that is why gauge #1 is reading 3900-PSI (the gauge on the machine read 4000-PSI)