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RV-List Digest: 4 Msgs - 02/03/21

 
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fly4grins(at)gmail.com
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PostPosted: Thu Feb 04, 2021 12:29 am    Post subject: RV-List Digest: 4 Msgs - 02/03/21 Reply with quote

Quote:
Viton seals
 Hi All-  I was under the impression viton was not good for reciprocating applications, like brake pucks.  Is there any experience out there to the contrary?
Thanks in advance! 


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Gary.A.Sobek



Joined: 09 Jan 2006
Posts: 217
Location: SoCAL USA

PostPosted: Thu Feb 04, 2021 5:15 am    Post subject: RV-List Digest: 4 Msgs - 02/03/21 Reply with quote

Been using Viton on the calipers for 10+ years. They last longer than the mil spec o-rings. They are higher temperature rated BUT the down side is they can leak and not seal as well as lower temperatures. I typically do not operate my RV at the lower temperature so it is not a big deal for me.



https://o-ring.info/en/materials/vitonr--fkm/vitonr-temperature-rating/


https://www.sealingdevices.com/temperature-ranges



Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
3,400+ Flying Hours NC25, USA






From: owner-rv-list-server(at)matronics.com <owner-rv-list-server(at)matronics.com> on behalf of GLEN MATEJCEK <fly4grins(at)gmail.com>
Sent: Thursday, February 4, 2021 8:28 AM
To: rv-list <rv-list(at)matronics.com>
Subject: Re: RV-List Digest: 4 Msgs - 02/03/21




Quote:
Viton seals
Hi All- I was under the impression viton was not good for reciprocating applications, like brake pucks. Is there any experience out there to the contrary?
Thanks in advance!


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arplnplt(at)gmail.com
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PostPosted: Thu Feb 04, 2021 6:37 am    Post subject: RV-List Digest: 4 Msgs - 02/03/21 Reply with quote

I replaced the stock break seals on my RV10 with viton seals after they failed due to a long taxi at KOSH one year.  Never a problem after that. Also used ATF for fluid due to higher flash point.
Dave Leikam

Quote:
On Feb 4, 2021, at 2:32 AM, GLEN MATEJCEK <fly4grins(at)gmail.com> wrote:


Quote:
Viton seals
Hi All- I was under the impression viton was not good for reciprocating applications, like brake pucks.  Is there any experience out there to the contrary?
Thanks in advance!





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garyvanremortel(at)gmail.
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PostPosted: Thu Feb 04, 2021 7:50 am    Post subject: RV-List Digest: 4 Msgs - 02/03/21 Reply with quote

Very little reciprocation occurs in disk brake caliper piston.  I replaced the original leaking Nitrile O-rings in mine with Viton 15 yrs ago and haven't had a problem since.  If you are concerned with the poor low temp performance of Viton in your climate, go with Fluorosilicone.
-GV
On Thu, Feb 4, 2021 at 12:32 AM GLEN MATEJCEK <fly4grins(at)gmail.com (fly4grins(at)gmail.com)> wrote:

Quote:

Quote:
Viton seals
 Hi All-  I was under the impression viton was not good for reciprocating applications, like brake pucks.  Is there any experience out there to the contrary?
Thanks in advance! 




- The Matronics RV-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List
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