Non-contacting seals are utilized in conditions where zero power dissipation is required and controlled leakage of gas is acceptable. Applications include, high pressure compressors, turbo compressors, aircraft turbine engines, oil free centrifugal compressors, dry screw vacuum pumps, oil free screw compressors, positive displacement blowers, etc. Ergoseal's windback, piston ring, circumferential, and multiple carbon split and solid iterations have proved worthy investments for our OEM partners time and time again.