Adding Refrigerant without a Low Pressure fitting

[Robert Myers]

There should be no problem with that, Mark.  If the pressure in the 
can is high enough to flow gas into the system then it is already 
higher than the system pressure and it will get no higher when 
connected to the system.

Bob


At 07:40 PM 7/5/2008, Mark R wrote:
>I'd be leery of the burst pressure of the cans... and the shrapnel if
>there's a mistake.  Anyone know the burst pressure of the cans?
>
>Mark
>
>On Sat, Jul 5, 2008 at 7:27 PM, <mboucher70 at hotmail.com> wrote:
>
>I'm wondering if its possible to add refrigerant via the high pressure
>fitting, with the car turned off.  I figured that the aerosol can is
>probably pressurized enough to overcome the 60psi and get at least some
>refrigerant in, but it surely won't overcome the 150psi present when the a/c
>is on.  I appreciate that I'll get a lot smaller fraction of the can into
>the car via the high pressure valve at 60psi than via the low pressure at
>30-50.  The only impact of this is that I'll require more cans.  Anyone see
>a flaw with this?
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