John crane mechanical seals manual

John Crane pump mechanical seal *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. John Crane’s comprehensive range of mechanical seal, double mechanical seal and mechanical seal pump options are designed to provide you with the correct mechanical seal type and seal solution suited for your specific application, to ensure optimal reliability, safety and performance.  · John Crane is an American company, now a subsidiary of Smiths Group and provider of engineered products and services including mechanical seals, couplings, hydro-dynamic bearings, seal support systems, filtration systems and artificial lift.

Using advanced face technology and assembly techniques, unique "hydropads" allow the seal faces to remain flat in operation, increasing lubrication efficiency and so enabling the seal to run cooler. The 48VBF is an easy upgrade from the existing John Crane 48V seal, requiring nothing more than changing the primary ring. John Crane, Inc. Datasheets for Mechanical Seals. Mechanical seals including mechanical face seals, bellows, gas seals, and cartridge seals. A new, highly reliable gas-lubricated API (ISO ) qualified high-temperature, non-contacting mechanical seal that utilizes internally pressurized outward pumping spiral groove face technology with. John Crane pump mechanical seal *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

If questions or problems arise, contact your local John Crane representative or the original equipment manufacturer, as appropriate. 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 sealing rings. Do not excessively compress the seal. 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. A mechanical seal must always be serviced after removal from the machine. In order to maximise reliability and minimise safety risks, it is strongly recommended that used seals are returned to John Crane for rebuilding to as-new specification (essential for non-contacting gas seals). Alternatively ask for John Crane service personnel to visit site.