Fire extinguisher

Discussion in 'Motorhome Chat' started by Touchwood, Apr 17, 2013.

  1. Touchwood

    Touchwood Funster

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    We have an all purpose foam extinguisher in the 'van, made by Thorn EMI - about 1.7 litre capacity. It's fitted with a pressure gauge which is still showing green but has never been serviced - dunno how old it is but it says it should be serviced annually. I've enquired and been quoted £20.00 for a service - strikes me it would be cheaper to buy a new one, and keep the old one as a stand-by.

    Any recommendations as to what type to get, and where from?
     
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  2. icantremember

    icantremember Funster

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    Bin it

    I would sling it away and buy a dry 2Kg powder for about the same price.

    It's not worth keeping the old one 'cos in an emergency if it didn't work you would be wasting valuable time and every second counts.
     
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  3. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    A 1kg ABC fire dry powder extinguisher CE marked, with gauge, as recommended by the Caravan Council. A must in the car, caravan or home.
    Comes complete with wall mounting bracket.


    £11.73 is my price plus postage etc


    Peter
     
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  4. Touchwood

    Touchwood Funster

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    Many thanks - that looks just the ticket, John, I'll order one tonight.
     
  5. alfandM

    alfandM Funster

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    Good advice,foam extinguishers ,should never be used on electrical fires,wheres a dry powder can be used on all most any fire,we carry 2 2kg dry powder,plus just don't carry them, know how to use them, a small fire can be knocked out so quick,before it takes over,most important stay Safe, Alf.
     
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  6. golly

    golly Funster

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    I read somewhere, possibly on this forum that powder extinguishers can "settle" with getting joggled while traveling. It was suggested to invert them a couple of times periodically to keep the powder loose.
     
  7. teddybard

    teddybard Read Only Funster

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    Modern Stored pressure Dry Powder Extinguishers will not settle as the older type of extinguishers used to do, it is a feature of their construction.
    Just make sure it it BSI approved.
     
  8. teddybard

    teddybard Read Only Funster

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    Sorry Alf have to respectfully disagree
    colour coding as relates to BS5306

    indicates what the content may be as follows

    Colour coding of Fire Extinguishers to indicate content
    Extinguisher Type

    Water
    AFFF (Foam)
    Powder
    Carbon Dioxide
    Wet Chemical Colour

    Red
    Cream
    Blue
    Black
    Yellow [​IMG] [​IMG] [​IMG] [​IMG] [​IMG]
    However foam extinguishers mnowadays are multi-purpose
    covering classes a b & c and manufactured in such a way as to not conduct electricity at the small voltages you will find on the average site

    (It is still not advisable to tackle generator substations and any type of major fire however.

    A foam fire extinguisher is capable of controlling flammable solid fires - those fuelled by ordinary inflammable substances such as wood, paper, cloth, hay etc. - as well as being able to put out a flammable liquid fire – fires fuelled by flammable oils, petrol, diesel, spirits etc. (To use the fire classification system, this type of extinguisher is capable of tackling class A and B fires). All potential users of fire extinguishers should know what types of fires that particular fire extinguisher is capable and not capable of extinguishing.

    A foam fire extinguisher is non toxic, non damaging to most materials, extinguishes fires progressively (not suddenly and violently), and prevents the re – ignition of flammable liquid fires. The foam works by forming a blanket on the surface of a burning liquid or solid, this cools and smothers the fire so that there is no oxygen or heat available to re – ignite the fire.

    The type of extinguisher comes in a range of sizes and is suitable for the home, car and caravan as well as for business use. Fire fighters also occasionally use foam in certain types of fire due to its ability to tackle flammable liquids and for its cooling and smothering qualities which prevent re - ignition.

    A foam fire extinguisher shouldn’t be used on electrical fires. However, most foam extinguishers have passed the 35kv conductivity test,indicating the extinguisher user has added operator safety if it were to be unintentionally used on electrical risks. The extinguisher user may still on the other hand obtain an electric shock if positioned in a residual puddle if the live electrical equipment did not short circuit, which is why foam fire extinguishers are not deemed as suitable for electrical fires.

    A conventional foam fire extinguisher contains aqueous film forming foam so is also known as an afff foam fire extinguisher. You may also come across the same type being called a spray foam fire extinguisher due to the type of discharge it has.

    This type of fire extinguisher is colour coded with a Cream band on 5% of its body to let any potential user know at a glance which type it is.

    Foam fire extinguishers are ideal for use in offices, garages, boats, caravans, kitchens and other multi risk premises. This type of fire extinguisher is highly effective against flammable solid and flammable liquid fires. This includes wood, paper, and textile fires as well as petrol, oil, diesel and other volatile liquid fires. Foam fire extinguishers combine the cooling effect of water with the smothering benefits of AFFF which prevent a fire re-igniting by sealing the flammable vapors. Its spray nozzle gives a wide coverage to boost its fire fighting abilities.
     
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  9. Reallyretired

    Reallyretired Funster

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    I am thinking about this type
    [ame="http://www.amazon.co.uk/1ltr-Water-Mist-Fire-Extinguisher/dp/B0072GUBJA/ref=sr_1_2?ie=UTF8&qid=1366221999&sr=8-2&keywords=water+mist+fire+extinguisher"]1ltr Water Mist Fire Extinguisher - E-Series: Amazon.co.uk: DIY & Tools[/ame]

    Although the dry powder extinguishers can put out most fires they produce immense amounts of mess.

    These Dry water extinguishers can be used on all sorts, including electrical and should be less messy. (Don't ask me how water can be dry).

    A bit more expensive than powder, I think this is about the cheapest going.
     
  10. teddybard

    teddybard Read Only Funster

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    But Not Entirely suitable for A motorhome

    Chemical


    Wet chemical fire extinguishers are designed for use on deep fat fryer and cooking oil fires (Class F) and also offer protection against general Class A fires (such as paper, wood, straw, textiles and coal etc.). These are the only extinguishers that can combat fat fires. The small and compact 2ltr wet chemical extinguishers are perfect for use in small commerical kitchens as well as mobile catering units and domestic kitchens.

    Does not cover Petrols/Diesels would have precious little effect on an engine fire:cry:
     
  11. Reallyretired

    Reallyretired Funster

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    That's OK I already carry two 2kg dry powder, but the dry water mist looks ideal for a fire in the habitation area, without needing a huge clean up operation.
     
  12. PP Bear

    PP Bear Funster Life Member

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    In the military we use various size dry powder extinguishers. Our policy is to weigh them each year and then compare the initial weight and the new readings. If the new reading is more than 5% of the original, then we discard. It's all to do with moisture effecting the powder and then the ability of the extinguisher to expel its contents.

    We also discard after 5 years regardless of weight.....just thought I'd mention it :BigGrin:
     
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  13. teddybard

    teddybard Read Only Funster

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    Most Military units do not have the facility to test discharge and recharge extinguishers as required,
    Military policy is to chuck out anything they cant effectively repair
    but a discharge test recharge and proper maintenance programme
    works out cheaper and more efficient.
     
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