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Type 93LR

Vendor: John Crane
Type: Seals

Segmented Lift-off Carbon Bushing (Non-contacting) Separation Seal

The Type 93LR 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 Type 93LR 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 John Crane product range with minimum modifications. Advanced materials and design eliminate wear under normal running, promoting long service life.

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