John crane mechanical seal manual

John Crane mechanical seals are precision products and must be handled appropriately. Take particular care to avoid damage to lapped sealing faces and to flexible according to the pump manual instructions, and that all screws are securely fastened. 3. C o mpl e t has by fu, ndr (i p os ibl e) t nu rf a. John Crane Mechanical Seal Manual Information: Catalog and Supplier Database for Engineering and Industrial Professionals. Mechanical Seal Piping Plans Companion Booklet Single Seals Dual Seals Quench Seals Second. Cont. Dual Gas. Introduction A primary factor in achieving highly reliable, effective sealing performance is to create the best luid environment around the seal. Selection of the right piping plan.

Standard Seal Support System 1. The John Crane Type seal requires a clean barrier gas supply at psi above seal chamber pressure. This barrier gas pressure must never drop below the seal chamber pressure. 2. The Type Control Panel is recommended for optimal system performance and control. This system serves these functions. of this seal. Contact John Crane for information as to exclusive product warranty and limitations of liability. If questions or problems arise, contact your local John Crane representative or the original equipment manufacturer, as appropriate. Foreword (continued) John Crane mechanical seals are precision products and must be handled. Plan 01 Single Seals Description: Plan 01 is an internal recir- culation from the pump discharge area of the pump into the seal chamber, similar to a Plan 11 but with no exposed piping.

Rugged Type /T mechanical seals are available John Crane Service Center. □ Seals can be shaft mounted or built into a cartridge. and filled with liquid - refer to the pump instruction manual. TYPE /P. DUAL METAL BELLOWS CARTRIDGE SEAL. Installation, Operation Maintenance. to the pump manual instructions, and that all screws are securely fastened. John Crane mechanical seals are precision products and must.