Our ISP 4620 daul Cartridge Elastomer Bellows Seal has the same dimensions with the original Johncrane 4620 cartridge seal,could replace the original seal well,but with higher cost performance.
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 combines the proven, world-leading technologies of John Crane, Sealol and Flexibox. The Type 4620P 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.
Features:
Dual seal arrangement — incorporates an elastomer O-ring as the dynamic secondary sealing member
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
Parameters
TEMPERATURE LIMITS:
400°F/205°C
PRESSURE LIMITS
300 psi(g)/20.7 bar(g) process pressure
SPEED LIMITS
3600 rpm
SIZE LIMITS
1"/24mm to 2.75"/70mm
Recommended Applications:
Process Pumps
Mixer and Agitators
Other Rotating Equipment
Generally pump seals
Single spring mechanical seal
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