Hi, Jason, Adam and others:
We had three times of failures of V13 or V23 in the past three years. We
need only to clean the inside and replace the o-ring and guide sleeve . We
reuse the gold seal ring, the gold seat and the steel membrane without
ESS Dept UCI
> Hi Adam,
> My experience is with a Kiel III but the info should transfer. Since 1998
> I have replaced V13 and V23 at least 6 times each. Mostly the stainless
> steel membrane fails. My assumption is that these are the most abused
> valves since they see positive pressure and vacuum with each sample. V13
> and V23 fail more than another valve in our Kiel (maybe a total of 8
> failures since new in 1998). In contrast none of the valves in the dual
> inlet have failed since new in 1998.
> On Mar 4, 2013, at 9:37 AM, Adam Porowski wrote:
> Dear Colleagues,
> I wander how often are you having to repair the pneumatic valves no. 13
> and 23 on KIEL Carbonates Device, that is, how many samples can be done
> between changing the gold stamp and gold gaskets of the valves??? Recently
> we have to change these stuff and I wonder how it looks in other labs.
> I look forward to hear from you.
> Thank you in advance.
> Adam Porowski
> ING PAN, Warsaw, Poland
> [log in to unmask]<mailto:[log in to unmask]>
> Jason Curtis, Ph.D.
> Stable Isotope Mass Spec Lab manager
> Senior Associate-In Geochemistry
> Department of Geological Sciences
> 241 Williamson Hall
> University of Florida
> Gainesville, FL 32611
> [log in to unmask]<mailto:[log in to unmask]>, office 352-392-2296
> lab 352-392-3344, fax 352-392-9294