Re: [PSUBS-MAILIST] pneumatic vacuum switch

[Jon Wallace <jonw@psubs.org>]

Alan,

Interesting units.  You'll need to confirm that they are compatible with 
O2.  I note in the text that they only mention specify compressed air.

Jon



Alan James wrote:
> Hi all,
> I came across a few differant pneumatic vacuum switches & wondered
> if they would be a suitable substitute for the bellows & demand 
> regulator in the bellows add system.
> ie. have your medical regulator flowing at .22 L/min & T off the O2 
> line to a pneumatic vacuum switch
> set to activate at a very low pressure drop.
> http://www.aircom.net/uploads/aircomdocs/Katalog/GB/Kapitel%2012/K-12-7-GB.pdf
> Also is there a suitable O2 regulator (for the .22 L/min flow) that I 
> can plumb in to my system rather than
> one with a yoke type fitting for a tank.Thanks
> Alan.
>  
>  
>  
>  




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