Inflatable awning tubes be carefull when inflating

Discussion in 'Motorhome Chat' started by Johns_Cross_Motorhomes, May 19, 2014.

  1. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    Please note if you have ANY inflatable type awning as it will apply to all

    =====================================

    Important Information Regarding Inflation of the Oxygen Air Frame Awning Range
    The Second Generation Oxygen Air Frame was brought to the market in October 2013; it is the most robust air frame on the market; the following instructions will ensure you enjoy the product fully.
    The valve that the Oxygen Air Frame uses is called the Dynamic Speed Valve (DSV). This valve has been taken directly from the Marine Industry and is used in Lifeboats, Dinghy’s and Kayaks, etc. it is the easiest, quickest and most reliable valve on the market. Deflation is the push of a button and inflation is a speedy process using the included double action pump.
    Every single air tube has been tested, by the factory, prior to being inserted into the Oxygen Sleeve, to 7Psi; however, this is purely to test the tube for leaks, and durability, we have now been informed that the Oxygen air-tube must not be inflated to this pressure, and allowances MUST be made for fluctuations in air pressure.
    Air pressure increases when air is warmer. Therefore, we recommend that the maximum that the Oxygen Air Frame is inflated to is 2 PSI, this allows for any increases in air pressure on hot days.
    Inflate the Oxygen air tube only until the awning frame is upright, approximately 2PSI, do not over inflate, the frame should be able to be easily ‘squeezed’ in the hand; if the tube is ‘solid’ and you are unable to squeeze it at all, please let some air out, this will allow for an increase in ‘air volume’, as the air inside the tube expands on warm days.
    To check the PSI of the Oxygen Air Frame, pump it up until it feels firm but with some room for more air, as shown in picture 3, then whilst the pump is connected to the valve, bring the plunger to half way as demonstrated in picture 1 then apply a little amount of pressure downwards on the plunger but not enough pressure to push the plunger down, then look at the PSI measuring device. If it reads more than 2 PSI, you must take air out, if it is between 1.5 and 2 PSI there is ample air in the Oxygen Air Frame. Picture 2 shows an over pumped Oxygen Air Frame – Failure to follow these instructions will invalidate the manufacturer’s warranty*
     
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  2. Tootles

    Tootles Funster

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    I take it that one or more have exploded??

    Sort of "Oh look George, the awning just blew up, and catapulted mother over the toilet block"
    :RollEyes:
     
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  3. canopus

    canopus Funster Life Member

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    Does the same edict apply to the Vango and Kampa range of inflatable awnings?
     
  4. hilldweller

    hilldweller Funster Life Member

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    Seems to me these "good idea" awnings have not been very well developed. Clearly they need a safety valve.

    And if they collapse in wind when they are presumably over inflated what is going to happen when hardly inflated.

    AVOID is a word that comes to mind.
     
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  5. GJH

    GJH Funster Life Member

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    Given that the recommendation is that the awning is inflated to a pressure which allows for any increases in air pressure on hot days, I would have thought so. The max PSI might be different but the principle that "the frame should be able to be easily ‘squeezed’ in the hand" will still hold good won't it?
     
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  6. DavidG58

    DavidG58 Funster

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    Just been out to check my Kampa pump and gauge, (yes I am one of those who thought they were a good idea!!) it is ranged 0-13 PSI

    Not sure the gauge will be accurate enough to define 2 PSI, or that 2PSI will keep it upright

    As said above and posted by me before, the corners have a mind of their own in a light breeze with plenty of air, not sure they will stay up at all with that little air

    Not really sure how the manufacturers will know how much air has been in them if they fail, maybe a much better solution would be that the manufacturers issue a pressure relief valve to fit to remove the risk

    The pump has a pressure gauge but it is not
    possible to over inflate the awning with the
    pump supplied. An ideal inflation pressure will
    be between 9 -11 psi but do not worry too much.

    Just lifted above from my Kampa instructions downloaded when purchased, they do not come with written instructions!! I now have to hope the OP did not refer to Kampa
     
    Last edited: May 19, 2014
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  7. Gizmouk

    Gizmouk Funster

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    Read as:
    Some halfwit didn't follow the instructions, got hurt, went to a "no win no fee" solicitor etc etc


    For those with a reasonable IQ, can read printed English, and have morals / standards and scruples - the warning need not apply :Wink:
     
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  8. Gizmouk

    Gizmouk Funster

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    I'm guessing someone got bored using the manufacturers supplied pump and decided to use an electric type pump

    [​IMG]
     
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  9. grumps147

    grumps147 Funster

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    Sound advice for as was said earlier, how on earth do you measure 2psi? Is there such a measure? And they will refute any claims if it is over inflated, so the first question they will ask is how did you measure it was 2psi of less. This is one of this heads you lose, tails we win scenarios. Selling something not fit for purpose comes to mind, it needs a better design, and the safety valve suggested by Brian seems the simplest solution. What's the betting they can't make one for 2psi?
     
  10. grumps147

    grumps147 Funster

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  11. scotjimland

    scotjimland Funster Life Member

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    bad idea..

    The trouble with fitting a 2psi relief valve is when it gets hot it will piss air out.. then when it cools... tube collapses.. :Doh:

    That's why it's not fitted..

    The tubes are designed to take a much higher pressure .. just like tyres.. so when they get hot the pressure rise is within the operating pressure of the tube..

    So if inflated cold to 2psi there will be no problems.. you wouldn't fit a PRV to a tyre.
     
    Last edited: May 19, 2014
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  12. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    It will apply to all inflatable tube awnings, another point to make is make sure the tubes are full zipped up and if the tube is exposed it has no support and could pop, just like a bikes inner tube would.

    Pressures might be different but the 'squeeze' test is applicable

    Peter
     
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  13. Trikeman

    Trikeman Read Only Funster

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    We have the 'awning' referred to - ours is the porch version for our quick stops.
    It really is quite easy to inflate to 2psi, correctly - it is a lot of volume but little pressure and at 2psi the inflation 'hoop' is well inflated and really stable - the supplied pump has a gauge to do this.

    We had a sheet slipped in the box stating the pressures not to be exceeded (2psi) and the vitally important issues about not un-zipping the inflation tube sleeves when inflated. Our local MoHo dealer had just that happen to the display model, the zip was opened by a customer a few inches (Lord knows why) which then the zip proceeded the rest of the way round the arch on its own and the inner inflation tube, though didn't burst, it did pop out into the porch.
    The recommended 'fix' is to use a small cable tie to attach both the zips together so any opening action would be immediately followed by the closing action of the other zip actuator - Job done.

    Regards,

    Trikeman. :Wink:
     
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  14. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    Now what a question, the answer is in the 'squeeze' just think back to your teenager days and what did you do in the back row of the cinema or in the car:Rofl1::Rofl1::Rofl1:


    Peter
     
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  15. Tootles

    Tootles Funster

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    Peter, there are peeps on here who cant even remember what they ate for lunch!! :BigGrin:
     
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  16. Trikeman

    Trikeman Read Only Funster

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    Pete,
    if my memory serves me right, anything, as in your example, below a guestimated 5psi would be discounted once the popcorn was for sale by disappearing at that point.

    However, 2psi NOW would be a blessing, totally deflated or potentially punctured is now the norm.
    :Laughing:

    Trikeman. :Wink:
     
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  17. MikeD

    MikeD Funster

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  18. Minxy Girl

    Minxy Girl Funster Life Member

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    I would be very surprised if 2PSI proved sufficient to keep these 'air' awning up and rigid, even in hot weather. We have good quality inflatable kayaks (Gumotex) and they are tough and need to be pumped up quite hard so that we can only just give them a squeeze.:BigGrin:

    I was aware of the warning not to open the tube sleeves on these awning though, as they are what give the 'beams their strength. It begs the question what did the numpty who unzipped one think would happen ... that it'd go whizzing around like a balloon! :Doh:
     
  19. pappajohn

    pappajohn Funster Life Member

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    even at 7psi i cant see it causing any physical bodily injury if it did burst....bit of a bang maybe, but a balloon goes with a bang.
     
  20. mitzimad

    mitzimad Funster

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    its all lies ive never taken an awning to the pictures in my life
     
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