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  1. #11
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    Thanks for replies so far. Looks like my first mistake is the twins of o2? Prices are very reasonable for o2 j size. Next phone call to the gas company. Thanks.

  2. #12
    Established TDF Member Paulo's Avatar
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    Quote Originally Posted by depthdevil View Post
    Thanks for replies so far. Looks like my first mistake is the twins of o2? Prices are very reasonable for o2 j size. Next phone call to the gas company. Thanks.
    Keep an eye on rental costs. J rentals are not cheap
    Remember anything you read on the internet was probably written by some guy sitting at home in his underpants! Including this !!

    Illegitimi non carborundum

  3. #13
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    Quote Originally Posted by Paulo View Post
    Keep an eye on rental costs. J rentals are not cheap
    Depends if you use the company discount when you call BOC.

    Our fab shop has been known to use 3 a week when there has been copper pipe to braze . 54mm and above solder won't do ! And we have some massivly complex modules being built at moment.

    The bull nose adaptor was best thing I bought for taking the top end of a new J


    Sent from my iPhone using Tapatalk

  4. #14
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    Quote Originally Posted by Paulo View Post
    Keep an eye on rental costs. J rentals are not cheap
    Something like 7 a month from couple of suppliers I checked with

    Need to be careful with BOC, they take the piss, handling fees and stuff

  5. #15
    Established TDF Member Paulo's Avatar
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    7 a month is 84 a year per J. Doesnt be long adding up.

    I currently have 4 Js in the shed
    Remember anything you read on the internet was probably written by some guy sitting at home in his underpants! Including this !!

    Illegitimi non carborundum

  6. #16
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    They'd probably charge you that to fill a twinset with O2 in dive shop though!!


    Anyone used these cheap gauges for blending?
    http://www.ebay.co.uk/itm/250BAR-360...3D121761340767

  7. #17
    Established TDF Member matt's Avatar
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    Quote Originally Posted by WFO View Post
    They'd probably charge you that to fill a twinset with O2 in dive shop though!!


    Anyone used these cheap gauges for blending?
    http://www.ebay.co.uk/itm/250BAR-360...3D121761340767
    No, but it looks OK to me. The one I have was a lot more money and on the back says "not for O2 use". It was from sub-aqua products, bought with an O2 booster pump supplied by gasboosters.

    Matt.

  8. #18
    Established TDF Member Paulo's Avatar
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    Not used that guage but for 30 is worth a punt. Add it to a din male and female and a gas block with a bleed screw and it would be very versitile.

    I could be wrong but I always assumed a digi guage would be safer with o2 than an analogue one. The only part that would come into contact with the gas is a pressure sensor and not the internals of the guage which could hold all sorts of shite
    Remember anything you read on the internet was probably written by some guy sitting at home in his underpants! Including this !!

    Illegitimi non carborundum

  9. #19
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    I guess it would depend if they have any quality control, what if they test it before shipping, and as it for hydraulics, use oil.... Cheap Chinese so probably not tested so you may be ok!


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  10. #20
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    Quote Originally Posted by Dave1w View Post
    I guess it would depend if they have any quality control, Cheap Chinese so probably not tested so you may be ok!
    Sent from my iPhone using Tapatalk
    As the gauge is needed for blending, accuracy is essential. While this gauge is cheap, when you start using it to blend He especially for OC trimix, the gauge inaccuracy could turn into a rather expensive issue with wrong mixes of trimix being produced using large quantities of expensive He.

    FYI these gauges are dearer but for a good reason:
    http://www.keller-druck.com/home_e/paprod_e/eco2_e.asp

    Cathal


 
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