Dear Laurent

I am worry about Finnigant dosen't sell more new bellows. I bought my last
one the past summer and is still working properly.

Try with Pro-Vac. I have bought gold gaskets for Mat 251 valves but I have
never tried with bellows.

Pro-Vac Services
8 Lancaster Fields
CREWE
Cheshire
CW1 1FF
United Kingdom

phone:  011-441270501551
email:  [log in to unmask]

Good luck


>Dear collegues users of a FINNIGAN MAT 251 CO2 isotopes mass spectrometer
>
>We just had , for the second time in 3 months, an air leak developing in
>the left ajustable bellow of our machine. The first one was after 7 years
>of good services. Nothing to say.
>However FINNIGAN does not sell new ones anymore for the 251. They send them
>for exchange in a small company which repairs them.. very poorly at it
>seems, as the bellow broke after 2 months (plus one month waiting to get
>the replacement).
>
>I cannot accept such rapid breakdown.
>Do you know TOP QUALITY BUILDERS OF SPARE VARIABLE RESERVOIRS WHO HAS THE
>DESIGN FOR THE 251?.. and possibly (dreams?) one waiting on shelves
>somewhere?
>
>Thanks for your help
>
>----------------------------------------------------------
>                   Laurent Labeyrie
>
>        Professeur a l'Universite Paris-Sud Orsay
>           Dept. des Sciences de la Terre
>                        et
>            Centre des  Faibles Radioactivites
>                Laboratoire mixte CNRS CEA
>            Domaine du CNRS, av. de la Terrasse
>            F-91198 Gif/Yvette cedex  France
>        tel (international 33 or national 0) 1 69 82 35 36
>        fax (international 33 or national 0) 1 69 82 35 68
>
>
>
>
>
>
Rafael Nunez Gomez
Laboratorio Isotopos Estables
Estacion Experimental del Zaidin (C.S.I.C.)
Profesor Albareda 1, 18008
Granada, Spain
Tf 34 58 121011
Fax 34 58 129600
[log in to unmask]
http://www.eez.csic.es/~isotopos/