Metal-to-Metal Radial Seal I nee
Metal-to-Metal Radial Seal I nee
(OP)
Metal-to-Metal Radial Seal
I need a metal-to-metal, static, 10000-psi, radial seal. I have control over the OD dimensions but the 7” ID may vary +/- 1% on diameter, may be out of round +/- 1%, and may be slightly off centre. Has anyone ever seen anything that might work in an application like this?
I need a metal-to-metal, static, 10000-psi, radial seal. I have control over the OD dimensions but the 7” ID may vary +/- 1% on diameter, may be out of round +/- 1%, and may be slightly off centre. Has anyone ever seen anything that might work in an application like this?





RE: Metal-to-Metal Radial Seal I nee
http://www.vectorint.co.uk/
RE: Metal-to-Metal Radial Seal I nee
We use a close toleranced metal ring with o-rings. The o-rings seal up to 1500 PSI. You must design the ring so that it will expand and fill the gap, creating a metal seal, before you reach the limits of the o-ring.
The equations for the ring are easy to develop and can also be found in any Strength of Materials Text.
RE: Metal-to-Metal Radial Seal I nee
The close tolerance of the seal you're describing won't work for me in this case but the o-ring assist sounds promising. Maybe something along the line of a pressure energized U-cup using an o-ring for the initial seal.
Much appreciated.
RE: Metal-to-Metal Radial Seal I nee