Hi!
These pressure and speed is not very dramatic for a seal. Specially a plastic seal
Depending on finishing and misalignement, you can use a plastic seal
Later on you’ve got the possibility to use packings, but this needs to have some maintenance as far as a compression should be guaranteed...
Hi!
All replies are inside a book that is being written during these days ;) but there's no right answer for this as son as materials on production of seals are very different.
Nevertheless, please, consider the following:
1) As soon as an O-Ring is a (said) automatic seal (need to be...
Hi!
Some important information is missing: speed
If looking for high speed, plastic seals are OK, otherwise, rubber O-Ring is the low-priced seal for you. Counterface is also important, so (as son as I understand) is a plastic material, but (some) plastic, working against plastic tends to...
Oops!
I guess you found this seal, as it has been said, it's very easy to find another similar seal to retrofit.
In any case, if you are looking for the exact manufacturer of this one, Parker has got a similar color for a PUR compound.
So, if you found it Nice! otherwise, please try to send...
Hi, Fluffy!
I guess you have considered using floating seals, as soon as speed is high. In this case, you can almost use both plastic and metal seals since pressure is not such higher.
For plastic, and depending the counterface material, I would use PTFE+Ekonol, or PTFE+PI (being the first...
Hi!
Sorry to be so late!
Standard EPDM O-Rings' compound tend to be more stickier than other standard rubber o-ring material. This can be the reason why it works fine at mounting but after a time (enough to get off the grease on the contact area) it becomes more difficult.
On the other hand...
Hi!
On seals used for this application it exist a deformation of the seal, into the housing, to do the job to avoid the ingress of water into the system. By the way, all these elements are ready to withstand friction. Nevertheless, friction, in this case, will not be very important since:
-...
Hi, rayhawk
Regarding Spring energised seals, you can try on, but this kind of seals are very critical (more for use you intend to do) and, mostly, you might get more information thanks to different cathalogues. (On the other hand, most of these are very focused on how's best is their seal...as...
HI, mirovyaneto
You are right with your calculations.
Even the O-ring O.D. is pretty close to bore O.D. you avoid an excess of contact at this point. Doing this way, you avoid an early damage of the seal (more contact->more friction->more heat->more damage) Tests have been done showing that...
Hi!
Ticona (itself) has a document(Plain bearings made from engineering plastics) on which you can see a "small" relation of plastic/plastic combinations.
Althougth it isn't included POM/PEEK, you tan take the combination POM/PBT or PET
On the other hand you've got the point about tribology...
Hi!
"Just adding"
1) We produce rotary polymer seals. Some of them are made for high speed rotating. In these cases, an O-ring on the "static" part of the seal is, also, the part we use on these seals in order to avoid self-rotation of the seal, as soon as housing don't allow to install...
Hi!
Just like "brainstorming" (not to be critical)
Europipe: Spiral wound gasket will be good as far as maintenance will be considered, but, I think, this system would be "no maintenance". At the same time, torque tend to be higher, and temperature is a point to take care about. Regarding...
arounhere
The point with these seals (as far as I hardly know them) is that these seals are not prepared to work under these conditions, I mean, being face seal.
Swageloc system is good while fitting 2 parts (tubes...)
http://www.hidromar.es
Interesting point, MikeHalloran
This kind of seals are widely used on machinery's wheel's axes in order to avoid inlet of mud, sand...
This one can be considered also!
http://www.hidromar.es
Hi!
O-ring can be a good seal for rotating app both radial and axial, alwayss having a good hardware design, and working conditions
Grove design will be the same(just interpole sizes) on the ones from your preferred catalogue
http://www.hidromar.es
Hi!
We've got a case like this one.
Being such a low speed, we proposed to make a self-energising seal on plastic. To ensure concrete if "off", you can use a brass scrapper to prevent concrete affects the seal
We are based in Madrid. In any case, please, let me know or get a drawing about jow...
Hi!
Why not considering a single metal o-ring? this one will be good enough to make a good sealing, working at these temperatures wouldn't be any problem, and also it's a "soft solution" (because deformation) to don't worry about torque pressures
On the other hand, ceramic based seals will...
netwin
Althougth having a interference between hardware an the o-ring is possitive to reach your target, it's even also possitive for the o-ring to work
As said, a "dove" housing is a good point to start on this case, mostly cases I see is just adding some grease.
This means, by the way, an...
Hello!
Maybe is late, but here's my reply :(
We've got applications on which we applied a dynamic PTFE compounded seal at 20,000 PSI
As always, it needs to make a good study. Depending on fluid media, temperature and speed.
Please, let's have more details, if possible
http://www.hidromar.es
