Best source for Orings?

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   Hi Folks,

Any suggestions of where the best place is to source Orings from?
Specifically the little ones for breech/probe seal for PCP’s.

Thanks,
Pete.

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RangerPete Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 884	Post Options Post Reply Quote RangerPete Report Post Thanks(0) Quote Reply Topic: Best source for Orings? Posted: 06 Oct 2024 at 9:55pm
	Hi Folks, Any suggestions of where the best place is to source Orings from? Specifically the little ones for breech/probe seal for PCP’s. Thanks, Pete.
	Walk quietly, but carry a big stick.

Pauly5 Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Moderator Joined: 10 Mar 2013 Location: Titahi Bay Status: Online Posts: 1410	Post Options Post Reply Quote Pauly5 Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 7:40am
	If you know the size and material then Seal Imports Ltd. There's a branch here in Wgtn, plus another crowd called Pacific seals. I get the feeli ng breech ones are slightly harder. Typical seals are "70" breech might be "90".

RangerPete Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 884	Post Options Post Reply Quote RangerPete Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 9:08am
	Cool thanks. I know nothing about Orings. Can’t believe I’ve been playing with PCP’s for so long and so far have never needed to change an Oring!
	Walk quietly, but carry a big stick.

Pauly5 Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Moderator Joined: 10 Mar 2013 Location: Titahi Bay Status: Online Posts: 1410	Post Options Post Reply Quote Pauly5 Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 9:11am
	To measure use OD x thickness of O ring.

nunga Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Moderator Joined: 08 Mar 2013 Location: Pukekohe Status: Offline Posts: 1009	Post Options Post Reply Quote nunga Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 7:21pm
	just to clarify pauly's post. it is the OD of the part that the oring goes around you need to measure not the OD of the oring itself. I normally use as a guild .5mm for compression. Another thing to take note is metric v imperial. Metric orings always are 2.0 3.0 4.0 ect...imperial orings are always 2.5 3.5 4.5 ect.. in thickness. so it is best to take the oring off. measure the thickness and the height of the oring and you can work out what it is from there as orings do go out of shape due to the compression they are under.
	2nd place HP springer - WFTF World Championships 2014

nunga Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Moderator Joined: 08 Mar 2013 Location: Pukekohe Status: Offline Posts: 1009	Post Options Post Reply Quote nunga Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 7:58pm
	Having said all that. You should now know how to identify the type of oring you have. You can now find the size oring you need. You can go here https://deltaflex.com/home/products/seals-%26-o-rings/o-rings and find the size you are after. Then go look at bunnings or mita 10 and have a look at their oring kits they have. if you cant find the size you are after try NZ seal services in onehunga auckland. I used to work there back in the day. I was their service manager. They will have the oring you are after. Edited by nunga - 07 Oct 2024 at 7:58pm
	2nd place HP springer - WFTF World Championships 2014

nunga Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Moderator Joined: 08 Mar 2013 Location: Pukekohe Status: Offline Posts: 1009	Post Options Post Reply Quote nunga Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 8:04pm
	Oh and if you can tell me the size i probably have one here i can send to you anyway :)
	2nd place HP springer - WFTF World Championships 2014

RangerPete Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 884	Post Options Post Reply Quote RangerPete Report Post Thanks(0) Quote Reply Posted: 07 Oct 2024 at 9:11pm
	Thanks Nunga, all good info. The breach of my .22 wildcat is puffing slightly. Still accurate and usable, but I suspect after a few thousand pellets, it’s probably time to replace it anyway. Before I try and dig it out and probably damage it before I can measure it, I’ll try find the correct size on an exploded FX barrel diagram somewhere 🤔 They try source some.
	Walk quietly, but carry a big stick.

Pauly5 Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Moderator Joined: 10 Mar 2013 Location: Titahi Bay Status: Online Posts: 1410	Post Options Post Reply Quote Pauly5 Report Post Thanks(0) Quote Reply Posted: 08 Oct 2024 at 12:27am
	A tip for replacing it is to get a wooden dowel (5 mm) push it in from muzzle end up to O ring groove, then push O ring in. It'll stop it going past the groove and seat it. And Nunga is quite right, my apologies I always get that wrong. Now let me work on that gun for you.