Generic inflator O ring size

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buddhasummer

Down under...
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Does anyone know size of the manual dump button O ring used on the generic power inflators as sold by DGX etc. Thank you.
CBA18ABE-5E7E-4CB1-AB1D-9DC700EE753A.jpeg
 
I'm going to try to get some @couv what duro would be recommended? I'm thinking given it's dynamic and is sealing against a plastic surface a 70/75 would be best? Thanks in advance.
 
it is LP so 70/75 would be fine

-Z
 
I'm thinking given it's dynamic and is sealing against a plastic surface a 70/75 would be best?

it is LP so 70/75 would be fine -Z

What y'all said-and what @divad said too about the sporty looking tray.

Those seals are pretty expensive at McMaster (item number 9561K41)
$1.66 for 25 count

McMaster-Carr
 
That is the cleanest looking inflator I have ever seen disassembled.

I was thinking something similar...actually I was thinking that from the picture the o-ring looks pretty good, but the picture may not be showing all the details. Or, perhaps the o-ring is good and OP is just looking for a replacement to have in their save-a-dive kit.

-Z
 
Awhile back I sent a member a couple of this size as theirs had broken. I overhaul my own inflators, been doing so a couple decades. I have never replaced the O-ring on a dump valve until recently when I took it apart to see how it worked.. They seem to have a very long life-span, and just work. I figure it's probably a good idea to take the mechanism apart once in awhile just so it doesn't seize up. May as well replace it then to avoid problems.
 
https://www.shearwater.com/products/swift/

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