Segmented Lift-off Carbon Bushing (Non-contacting) Separation Seal is93LR
The is93LR is a non-contacting segmented bushing seal with a balanced lift-off carbon design that minimizes the gas consumption in both pressure and flow control. Applications include centrifugal compressors and other mission-critical rotating equipment in the oil & gas and petrochemical industries. Separation gas (normally nitrogen or air) is injected between the two segmented bushings, effectively creating a pressure barrier between the bearing and dry gas seal cavity. The is93LR has been designed to meet the requirements of the API 692 standard and it has the ability to be retrofitted to installed separation seals in the iseal product range with minimum modifications. Advanced materials and design eliminate wear under normal running, promoting long service life.
Technical Description Mechanical seal IS93lr
is93LR is a non-contacting carbon bushing designed to prevent the dry gas seal cartridge from ingress of bearing oil.
Separation gas (normally nitrogen or air) is injected between the two segmented bushings effectively creating a pressure barrier between the bearing and dry gas seal cavity
Segments are balanced and designed to lift off when separation gas is applied
Advanced materials and design ensure minimal wear
- Centrifugal compressors
- Other compressors
Features IS93LR
- California Residents: PROPOSITION 65 WARNING
- Balanced, lift-off carbon ring minimizes gas consumption in both pressure control and flow control
- Self-centralising grooves ensure dynamic seal concentricity to the shaft/sleeve
- Patented segment joint design, proven to successfully restrict oil migration and seal leakage
- Static restriction to oil ingress when separation gas is off
- Temperature independent separation gas consumption
- No restriction to gas type or dew point
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