Replacement O rings
Is there by any chance a simple rule of thumb for calculating the
required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. -- bert |
Replacement O rings
On Wednesday, October 7, 2020 at 9:23:52 PM UTC+1, bert wrote:
Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. -- bert Try ebay for an 'O' ring set. You'll get a selectiob for very little money |
Replacement O rings
On 07/10/2020 21:14, bert wrote:
Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. The dimensions of the one that you are trying to replace? -- Regards, Martin Brown |
Replacement O rings
On 08/10/2020 09:18, fred wrote:
On Wednesday, October 7, 2020 at 9:23:52 PM UTC+1, bert wrote: Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. -- bert Try ebay for an 'O' ring set. You'll get a selectiob for very little money True but IME they normally contain "thinner" rings and often don't have a good match for existing ones. If you are missing the ring altogether, your replacement should have a bore close to the depth of the groove (slightly loose is OK), a thickness close to the width of the groove, and it should stick out slightly when it is in position. They normally come in integral metric sizes, if you see what I mean. (Same applies to imperial). |
Replacement O rings
newshound wrote:
fred wrote: Try ebay for an 'O' ring set. You'll get a selectiob for very little money True but IME they normally contain "thinner" rings and often don't have a good match for existing ones. They normally come in integral metric sizes I find pressure washers need sizes that are not in the selection boxes, and they're picky to 0.1mm, too small leaks, too big refuses to connect. |
Replacement O rings
On 08/10/2020 09:18, fred wrote:
On Wednesday, October 7, 2020 at 9:23:52 PM UTC+1, bert wrote: Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. -- bert Try ebay for an 'O' ring set. You'll get a selectiob for very little money You get a selection but often when you need one you find that they are too thin. Although I have found a use for many in a set its always one or two sizes that are used most. Inside and outside diameter are the important parameters, assuming a round cross section of the ring -- mailto : news {at} admac {dot} myzen {dot} co {dot} uk |
Replacement O rings
On Thu, 8 Oct 2020 10:45:38 +0100, Andy Burns wrote:
I find pressure washers need sizes that are not in the selection boxes, I think you need both metric and imperial sets to be covered. and they're picky to 0.1mm, too small leaks, too big refuses to connect. I find that with all O rings, which is where having the two sets is useful. 6mm v 1/4" sort of thing... -- Cheers Dave. |
Replacement O rings
On 07/10/2020 21:14:23, bert wrote:
Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. There may well be charts but I have gone by diameter and thickness as being the two defining measurements. https://en.wikipedia.org/wiki/O-ring https://www.theoringstore.com/store/...d=41&chapter=6 |
Replacement O rings
On 08/10/2020 14:51, Fredxx wrote:
On 07/10/2020 21:14:23, bert wrote: Is there by any chance a simple rule of thumb for calculating the required size of a replacement o ring? I l looked up a supplier and they had a chart which seemed horribly complicated. There may well be charts but I have gone by diameter and thickness as being the two defining measurements. Â* https://en.wikipedia.org/wiki/O-ring https://www.theoringstore.com/store/...d=41&chapter=6 Correct, two dimensions and the material are the only parameters. OD follows from ID and thickness/cross section. The latter is sometimes called "chord". |
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