Solutions by Design


 603 886-5555 Tel

 Skype: FTIR.com



O-Rings and Seals


All gas cells use seals of one form or another to connect the gas in/out sample lines, seals for the windows in the cell, and seals between metal subassemblies in the gas cell.

The sample line connections to the cell range from simple to more exotic such as hose connections, pipefittings, Swagelok fittings, and VCR fittings.

Elastomer seals range from o-rings made of Viton, Kal-Rez, Teflon, Teflon encapsulated silicon, and more.  Each o-ring material has advantages and disadvantages.

We have made a number of gas cells with metal conflat seals between the end plates and the cell body.  The conflat end plates are made of 304 stainless steel and the seals can be either copper (Cu) or nickel (Ni).

We have also supplied gas cells with zinc selenide (ZnSe) windows that have metal seals connected to the stainless steel flanges.  These gas cells have no elastomers and all seals are metal-metal or metal-window seals.  This is important for high vacuum applications or where the gases are so active that the use of elastomers is not advisable.

Contact us at:

603 886-5555 Voice

603 386-6399 eFax

Skype: FTIR.com


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