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Help me to identify air valve on a trailer

Discussion in 'Trucks [ Eighteen Wheelers ]' started by sunsation288, Jan 17, 2015.

  1. Jan 17, 2015 #1
    sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    hello all , can you help me with this valve , it's on a 3 axle flatbed trailer , and i look for information on that one
    thanks in advance
    IMG_1325.jpg IMG_1326.jpg
     
    sunsation288, Jan 17, 2015
    sunsation288, Jan 17, 2015
    #1
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  3. Jan 17, 2015 #2
    wichris

    wichris Road Train Member

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    Emergency valve.
     
    wichris, Jan 17, 2015
    wichris, Jan 17, 2015
    #2
  4. Jan 17, 2015 #3
    sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    many thanks wichris for the fast respond , i can't find any info on emergency air valve ? , they have another name ?
     
    sunsation288, Jan 17, 2015
    sunsation288, Jan 17, 2015
    #3
  5. Jan 17, 2015 #4
    sunsation288

    sunsation288 Light Load Member

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    54
    Jan 12, 2014
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    Maybe spring brake valve ?
     
    sunsation288, Jan 17, 2015
    sunsation288, Jan 17, 2015
    #4
  7. Jan 17, 2015 #5
    wichris

    wichris Road Train Member

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    Same thing.
     
    wichris, Jan 17, 2015
    wichris, Jan 17, 2015
    #5
  8. Jan 17, 2015 #6
    kwswan

    kwswan Road Train Member

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    You will probably have to remove the valve & get the model number off of it to be sure.
    That would be the easiest way.
     
    kwswan, Jan 17, 2015
    kwswan, Jan 17, 2015
    #6
  9. Jan 17, 2015 #7
    GrapeApe

    GrapeApe Road Train Member

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    What you have there looks like a standard Bendix SR-2 spring brake valve. There's a few parts #'s for it, which are all the same valve, but they come in few different size reservoir ports.
     
    GrapeApe, Jan 17, 2015
    GrapeApe, Jan 17, 2015
    #7
  10. Jan 18, 2015 #8
    Pablo-UA

    Pablo-UA Road Train Member

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    seems to me it is not sr-2

    it is park brake emergency and release valve, but not sr-2

    can u tell me where red lines run? to brake chambers ore to park brakes?

    Is there ABS on trailer, how many spring brakes?
     
    Pablo-UA, Jan 18, 2015
    Pablo-UA, Jan 18, 2015
    #8
  11. Jan 24, 2015 #9
    sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    Sorry guy for the late reply , it was a SR-5 valve for a three axle trailer , many thanks for all your help !!
    View attachment 77607
     
    sunsation288, Jan 24, 2015
    sunsation288, Jan 24, 2015
    #9
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