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Cartridge Seal
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Chesterton type 222 replacement

Product detail


8350 Series Motion Cartridge Seal is specially designed for mixer, agitator. Its floating stationary absorbs two-way shaft motion, and can compensate for seal chamber misalignment. Double balanced seal face safely accommodates higher fluid pressure and longer seal life.



v Cartridge Mounting Makes Installation Fast and Easy: No engineering, measurement or adjustment.

v Multi-springs Isolated From Process Fluid: Multiple springs are contained in both of dual seal’s stationeries, so that axial movement doesn’t affect face loading.

v Floating Stationary: Provide multi-directional mobility.

v Universal Slotted Gland: Fits a wide range of seal chambers.

v Wide Rotary Face: Compensate for stationary seal’s motion.

v Heavy-Duty Lock Ring: Provides uniform support; assure the seal firmly secured to the shaft.


v Metal Parts: 304SS, 316SS.

v Rotating Face: Silicon Carbide, Tungsten Carbide.

v Stationary Seat: Carbon, Silicon Carbide, Tungsten Carbide.

v O-Rings: EP, Fluorocarbon, Chemrezd, Kalrezd.

v Springs: 316SS, Has. Cd.


Operating Limits:

v Pressure: Up to 28 bar (400psig)

v Temperature: Up to 205oC (400oF) with fluorocarbon O-Rings.

Up to 150oC (300oF) with EP O-Rings.

Up to 260oC (500oF) with Kalrez O-Rings.

Up to 230oC (450oF) with Chemrez O-Rings.


v Speed: Up to 15 m/s (3,000 ft/min)

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