Discussion in 'Steyr' started by blacklab, Aug 8, 2013.
what are streyr o rings made from
I've ordered hundreds from steyr in the past but have no technical data. I have emailed a contact at the tech dept at Steyr asking for info but they are closed for the holiday period at the moment. If i get a reply i will let you know.
I thought that if we knew what composition they were we could source them locally.
The green nitrile ones are extremely difficult to source.
Green O rings can be made from any material, but it normally indicates HNBR, which is just a fancy nitrile. They could be Viton, although I can't see why they would need to be, so I'd go with HNBR.
They recently changed from light to dark green in colour with the reg o rings being black. I normally have around a dozen or so of every size in my toolkit.
I thought I'd read that they were Viton??
Don't know, not sure what the material us but apparently when air passes through the one in the transfer port the pellet takes less wind...rumour of course.
THOSE o rings are made from Unobtainium apparently
rubbers rubber init
I'd have thought if Steyr could use NBR or CR rings, which are cheaper, then they would have. They do in some locations on the gun.
Best case, nothing happens. Likely result, the inferior rings quickly take a set or harden and begin to leak. Worst case, one fails and you get 200bar of compressed air down your right ear.
Up to you.
I will go for Viton they are quite hard and don't seem affected by lube.
have just got hold of some nitriles to try