Manufacturer: John Crane
Balanced Single spring Cartridge Seals for Refinery and General Oil and Gas Service
Patented single spring drive to minimize clogging. RRAL/R is an API 682 qualified cartridge design.
• Type RRAL/R is used for general hydrocarbon and water service and is qualification tested to API 682.
• Both designs are available in component or cartridge form and feature a flexible single spring drive, which provides "soft" drive for start up, increased misalignment capabilities and increased resistance to corrosion.
TEMPERATURE LIMITS40°F to 500°F/ 40°C to 260°C
PRESSURE LIMITSVacuum to 70 bar(g)
SPEED LIMITS4500 rpm