[labnetwork] Removal of Silane Cylinder

[Mike Maghiar]

Hi Mitchell,

Thanks for the help! Here's the photo of the cylinder in its current state.


*Thank you, Mike Maghiar*
*CNI Cleanroom Director*
*CEPSR 1020*
*(212) 854-3032*



On Wed, Sep 9, 2026 at 4:10 PM Mitchell Roselius <
mroselius at criticalsystemsinc.com> wrote:

> Hi Mike, We've had fittings seize on gas cylinders before. Could you send
> over a photo and confirm if it's a CGA or DISS fitting? I will check with
> our production team how they've handled this in the past. Thanks, Mitchell
> Roselius Sales Manager
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> Hi Mike,
>
> We've had fittings seize on gas cylinders before. Could you send over a
> photo and confirm if it's a CGA or DISS fitting? I will check with our
> production team how they've handled this in the past.
>
> Thanks,
>
> *Mitchell Roselius*
>
> Sales Manager
> Mobile: (713) 542 - 5436 <(713)%20542-5436> | Office: 877.572.5515
> <(877)%20572-5515>
>
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> ------------------------------
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> on behalf of Mike
> Maghiar <rmm2263 at columbia.edu>
> *Sent:* Wednesday, September 9, 2026 8:02 AM
> *To:* labnetwork at mtl.mit.edu <labnetwork at mtl.mit.edu>
> *Subject:* [labnetwork] Removal of Silane Cylinder
>
> Hi all,
>
> Columbia Nano has a silane cylinder that needs disposal. Unfortunately,
> the gas line can't be removed from the cylinder because it's seized on, so
> I disconnected the line. It remains connected to the cylinder and is about
> 4 feet long and is bendable. The cylinder is around 20-30% full and is
> small, size 40 CF.
>
> Because the line is attached, the cylinder can't be shipped as is, and it
> requires a cylinder overpack.
>
> I was wondering if anyone has any recommendations for a company that can
> do this type of work that isn't Veolia (already contacted them) or if
> someone has dealt with a stuck CGA fitting on a silane cylinder.
>
> Thank you in advance!
>
>
> *Thank you,  Mike Maghiar*
> *CNI Cleanroom Director*
> *CEPSR 1020*
> *(212) 854-3032 <(212)%20854-3032>*
>
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