John Crane gas-lubricated mechanical seals

Operating pressure: 0 bar - 450 bar
Operating temperature: 315 °C

< Back to Dry Gas Seals Type 28AT Non-contacting Gas Seal for Turbo Compressors Type 28AT: The original gas seal, with a design ...

Operating pressure: 0 bar - 124 bar
Operating temperature: 204 °C

... controlled rate, creating a stable gas film that lubricates the seal faces. Typical problems, such as dry-running wear, vapor lock in the seal chamber and "face popping" (which can lead ...

Operating pressure: 0 Pa - 1,600,000 Pa
Operating temperature: -40 °C - 260 °C

... micromachined spiral grooves that compress an inert barrier gas and create a lifting force on the primary seal faces. Gas-lubricated non-contacting seal faces operate ...

Operating pressure: 0 bar - 21 bar
Operating temperature: -40 °C - 260 °C

Large-bore Pumps The patented technology and tolerant design make these seals ideally suited for applications requiring specially engineered seals with performance even beyond that of the standard ...

Operating pressure: 0 bar - 7 bar

Gas-lubricated, Non-contacting Single Seal For Cryogenic Pumps Unique Spiral Groove Technology As the worldwide leader in spiral groove technology, John Crane is the first to utilize ...

Operating pressure: 0 bar - 16 bar
Operating temperature: -75 °C - 425 °C

A new, highly reliable gas-lubricated API 682 (ISO 21049) qualified high-temperature, non-contacting mechanical seal that utilizes internally pressurized outward pumping ...