Type 4620P
Manufacturer: John Crane

Compact, General duty, Dual Cartridge O ring Seal with Pumping Ring
The Easiest Cartridge Seal Solution
The Type 4620P dual cartridge seal, available off the shelf the world over, brings a new era of affordability to fluid sealing with assured dependability. It's the complete solution for sealing satisfaction in general industrial applications. This compact, single cartridge seal gives customers the best value for their sealing investment without compromise!
The Type 4620P meets key industry pump standards and is designed to permit use in rotating shaft equipment including ANSI/DIN pumps, close coupled pumps, vertical pumps and similar rotating shaft equipment.
• Inboard primary and mating ring reverse balance design allows for ID or OD pressurization, permitting the dual seal to operate as an unpressurized tandem or pressurized double seal
• Pumping ring is standard - no extra cost
• No extra inventory to carry
• Flow optimized design with integral pumping ring arrangement
• Tangential piping ports
• Increased cooling flow and face lubrication, greatly extending seal life
• Cartridge design with factory preset and pressure tested assembly
• The only dual cartridge design with a centering ring eliminating need for external setting clips
• Eliminates potential assembly and installation errors
TEMPERATURE LIMITS266°F/130°C
PRESSURE LIMITS220 psi(g)/15 bar(g) process pressure
SPEED LIMITS3600 rpm
SIZE LIMITS1"/24mm to 5.500"/140mm