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Thread: Foam systems

  1. #1
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    Question Foam systems

    We are looking at foam systems for our new engines and I have been tasked with finding the best foam system out there.We currently use Hydro-Pro system with class A&B foam. My question is what other Depts. are using and the pros and cons to there system. Any help on this matter is greatly appreciated. Thank you


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    Wink foam

    We have the Hypro systems and one unit with the Husky system. When we first got the Hypro we had multiple paddles and found out that we only need one paddle wheel installed for the whole system. There are occasional problems with the paddle wheels, Hypro control heads and connection cables but not too much. We had some problems with the capacitor wire loose that would create a no flow condition or control head problems. Overall a good system just a lot more gadgetry than the old eductor systems. The Husky system is a little complicated and the only real problem there was somebody running the foam tank dry and creating an air pocket in the lines that prevented the transducer from reading and a no faom flow situation. Direct injected foam is probably a better thing than eduction but more complicated with electronic stuff but once understood easy to work and fix. Hope this helps.

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    MembersZone Subscriber BVFD1983's Avatar
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    CAFS is nice but man is it expensive.
    FTM - PTB

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    We have a FoamPro 2002, dual agent with electric selector switch. Have had it for about 18 months. It has work maybe four times in that period. It still does not work. The FoamPro rep. has been to our station numerous times and the truck man. has replaced part after part per FoamPro's request. Waiting on a valve to show up next week to see if that fixes it. I am doubtful.

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    MembersZone Subscriber Halligan84's Avatar
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    I've had experience with 2 feecon around the pump proportioners. Both have been trouble free and very easy to operate.

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    Lightbulb Jumping on the question...but a little different

    sorry to jump in, but you have attracted the "foamies". How about small, self contained foam units on a 1st responder type truck (Ford F550 with a rescue body). Does any one have a suggestion for the type of foam application (obviously not CAFS). I have not found any truck manufacturers that actively advertise this application.

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    Rockhopper,

    Send me an email, I may be able to find what you are looking for. I just need to dig up the information.

  8. #8
    Forum Member TCFD12's Avatar
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    Quote Originally Posted by Rockhopper62
    sorry to jump in, but you have attracted the "foamies". How about small, self contained foam units on a 1st responder type truck (Ford F550 with a rescue body). Does any one have a suggestion for the type of foam application (obviously not CAFS). I have not found any truck manufacturers that actively advertise this application.
    We have a Tri-Max CAFS self contained unit. Holds 30 gallons of product that produces 600 gal. of foam.

    Go here for more info:

    http://www.crashrescue.com/Hydro-Chem/trimax30.asp

    Our unit is in a 2500 HD:

    http://www.tcfd.com/photos/image.php?source=609

    We also use the Tri-Max 3, CAFS cans on our first due engines.

    http://www.tri-max.info/trimax3.html

    They are nice products, very easy to use.
    Last edited by TCFD12; 11-03-2005 at 09:07 AM.
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  9. #9
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    Quote Originally Posted by TCFD12
    We have a Tri-Max CAFS self contained unit. Holds 30 gallons of product that produces 600 gal. of foam.

    Go here for more info:

    http://www.crashrescue.com/Hydro-Chem/trimax30.asp

    Our unit is in a 2500 HD:

    http://www.tcfd.com/photos/image.php?source=609

    We also use the Tri-Max 3, CAFS cans on our first due engines.

    http://www.tri-max.info/trimax3.html

    They are nice products, very easy to use.
    Excellent information.....I can see why I missed this.....thanks.

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    We had a dual-agent system, Foam Pro 2002, it was a real problem. The underlying problem is that class A foam uses alcohol for its solvent while most departments use an alcohol type concentrate (ATC) class B foam which solidifies on contact with alcohol for fire supression purposes but when they get mixed inside the system, they gel together really bad. Additionally the class B foam gels by itself over time if not used up regularly and it is expensive. Also people not being careful enough tend to pour the wrong type of foam into the wrong tank, again causing a jellied mess. The dual agent system must be flushed internally by the operator after every use to prevent internal mixing. Also, the foam injector must first push out the entire hose's worth of flush water on the fireground before foam starts to flow, and in my experience this can take a couple minutes.

    Compound that with the fact that most class B foams must be injected at 3 or 6 percent. The standard FoamPro 2000 series system pump cannot inject concentrate into the water at a rapid enough rate to maintain those percentages with more than a single handline and IIRC at 6% the maximum flow is only like 70 gpm.

    Add to that the fact that at 3 or 6% your typical apparatus mounted 30 gallon foam tank is only going to be enough to treat 1000 or 500 gallons of water.

    I'll tell you what I did. I got rid of all the class B concentrate, which was no good anyway, and refilled both tanks on my dual agent engine with class A. As far as I know, since 1989 the class B foam we carried had never been used.

    If you can overcome these difficulties then I would recommend entirely separate injection systems for class A and B foams, or just go with no A foam at all if you can afford to us B foam on an A fire. And make sure the injection system for the B foam is more than a 2000 series.

    Birken

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    Forum Member Rescue101's Avatar
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    Sshank,try this trick.If you don't get foam,hit both reset buttons together.If the foam light starts blinking you should have foam.If it's on steady,you don't. T.C.

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    Did that. That is the simulated flow. We get concentrate out of the cal./flush valve. Start water pump, turn foam on, nothing. The A/B valves will not work. They wiggle but will not come open. Turn truck off and then turn just the master switch on and the A/B valve will open and close all day long. Start truck engage pump and they will not work. Nothing is gelled up. I took the check valves apart and they are clean as a whistle. Strainers are not plugged. When the A/B valve worked it does so properly, as in, A will close-clean water valve will open for the 7 second - clean water will close - purge valve will work to dump excess pressure - then B valve will open. Fire the water pump up and nada. Like I said all components have been replace numerous times. Power has been switched from place to place and the ground has been redone. 18 months of wondering whether it will work or not is starting to suck. I believe it has something to do with the clean water valve leaking thru and allowing the pressure to stay on the A/B valve even after the purge valves dump the extra pressure. This is the only valve that has not been replace. It should be here early next week. Only time will tell.

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    Forum Member Rescue101's Avatar
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    If I'm reading you right,your AB valve is electric?Ours is manual so I'm not going to be much help there.Where are you located? I might be able to get you connected,"cause you sure don't need that system in that condition.I'll hook you up if I can. T.C.

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    Yeah it is electric. I am in Southeast Ohio. We have been working with the district rep. on this since day one. I think he is leaning toward putting in the manuel valves if this clean water valve does not fix the problem. He was worried about finding room on the pump panel for it.

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    We have FoamPro on all of our engines, the only issue we've had is that it ate up the level sensors in one of the foam tanks, but with the foam being slightly caustic it's bound to happen eventually. Other than that the system we have is awesome..oh, and FWIW, we never turn our system to flush. We just clear the line and pack up.
    FF/NREMT-B

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  16. #16
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    we have a "a" Hale foam logix system on our rescue engine, and after seeing the results, we plan to a a system to our front line structural engine

    We are using "JET-X" foam, but are trying to get some info on FLAMEOUT

  17. #17
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    Default foam choice

    We are getting three new pumpers in the county with Class A injected foam systems. Anybody had any experience with Fireade 2000?

  18. #18
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    We have a Hale foam logixs 3.3 with class A foam for about 9 months and have had no problems with this unit. We have used the class A foam on 4 house fires and 3 tractor trailer fires, and it has worked well.

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    Default Foams- FireAde 2000

    Yes I have experience with FireAde

    Found some vidoes........

    http://www.youtube.com/watch?v=LffK5...elated&search=

  20. #20
    Forum Member FyredUp's Avatar
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    Quote Originally Posted by massfire View Post
    Yes I have experience with FireAde

    Found some vidoes........

    http://www.youtube.com/watch?v=LffK5...elated&search=
    NO CLASS AT ALL. Spams topics all over the boards trying to sell his product.

    FyredUp

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