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Old 03-29-2009, 11:25 PM #1
bueno1
 
 
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Question (Firing Chamber) Can O-rings

A local tech changed out the stock o-rings in the can and he said he did not have the correct ones. The one i want to know about are the 3 o-rings inside the can I know they are a 17/70, but are they a Buna-n or Ureathane (black or translucent).
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Old 03-30-2009, 09:02 AM #2
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Quote:
Originally Posted by bueno1 View Post
A local tech changed out the stock o-rings in the can and he said he did not have the correct ones. The one i want to know about are the 3 o-rings inside the can I know they are a 17/70, but are they a Buna-n or Ureathane (black or translucent).

they are urethane
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Old 03-30-2009, 11:13 PM #3
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Thanks, for the response.......
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Old 03-31-2009, 07:28 AM #4
El Hombre
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Where can you buy them? and will replacing with Buna make difference
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Old 03-31-2009, 07:30 PM #5
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Not an expert but those o-ring are a pain in the neck to access (firing chamber o-rings) per a gun tech. For our application, urethane has very excellent abrasive and tear characteristics and good compression characteristics. Buna-N just has good characteristics for the above. Luxe is using a urethane70 (for this application) where other manufactureres specify urethane usually the durometer is usually 90 which is considered very hard material and 70 is hard.

Luxe makes a complete o-ring rebuild kit and is availiable from luxe vendors one that comes to mind is www.punisherpb.com. They show a complete listing of the o-rings, sizes, material and durometer in the kit. I have bought o-rings from www.mcmastercarr.com, they have them all.....in bulk.

Urethane is slighlty more expensive than Buna-n which is why it so widely used over urethane. Hope this helps. I have not substituted so I can not answer your last question, Buna-N may wear out faster??

Last edited by bueno1 : 03-31-2009 at 07:32 PM.
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Old 03-31-2009, 08:00 PM #6
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Originally Posted by El Hombre View Post
Where can you buy them? and will replacing with Buna make difference
i believe www.oringmonkey.com has them or you can pm him dznuts007
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Old 04-01-2009, 09:10 AM #7
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The only thing oring monkey has are the buna, I would not suggest these in your gun. For the gun to be at its top performance we reccomend the urethane.
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