Common Applications
- Actrylonitrile
- Latex
- Potentially Solidifying Liquids
- Vinyl Chloride Monomer
280 Heavy Duty Cartridge Dual Seal
The 280 Heavy Duty Cartridge Seal is specifically designed to handle demanding, high torque applications. This superior high performance product is an ideal selection for such difficult applications as high concentration black liquor, hard to seal monomers such as acrylonitrile, vinyl chloride monomer and any other potentially viscous solidifying liquids.
Enhanced Thermal Control
Unrestricted Dual Pressure Balance
The 280 provides for a 75% ratio for double or tandem barrier mode, while an instantaneous shift prevents opening under system upset conditions. The seal can run with high pressure both inside and outside because the seal balance is optimized to both the ID and OD pressure.
Internal Barrier Channel
The internal pumping system provides efficient barrier fluid flow and heat removal away from the faces. The heat transfers into barrier fluid, not into the process, for high capacity cooling.
Seal Rings Located for Optimum Heat Dissipation
The increased radial clearance provides efficient barrier fluid flow and heat removal.
Additional Information
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Technical Data
Available Seal Face Materials:
Stationary Seal Face: Silicon Carbide, Tungsten Carbide
Rotary Seal Face: Carbon, Silicon Carbide, Tungsten Carbide
Pressure Rating:
to 600 psig, inboard up to 4-3/4" shaft
to 250 psig, outboard up to 4-3/4" shaft
to 300 psig, inboard up to 8" shaft
to 200 psig, outboard up to 8" shaft
Temperature Rating:
300°F, Ethylene Propylene, 400°F,Fluorocarbon, AFLAS, 500°F, Perfluoroelastomer
Shaft Speed:
4000 Array
Size Range:
1in to 4-3/4in
Standard O-Ring Materials:
AFLAS, Ethylene Propylene, Fluorocarbon
Standard Metal Parts Material:
316 SS
Standard Spring Material:
C-276
See product datasheet for additional details