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Home / Products / Chesterton 280 Heavy Duty Cartridge Dual Seal
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Chesterton 280 Heavy-Duty Cartridge Dual Seal
Common Applications
  • Actrylonitrile
  • Latex
  • Potentially Solidifying Liquids
  • Vinyl Chloride Monomer
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280 Heavy Duty Cartridge Dual Seal

Brochures & Datasheets | Technical Data | Related Products

Manufactured by: Chesterton
Model: 280
Sales Territory: Indiana

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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** Territory restrictions apply for most products.

Documents

Brochures
  • Chesterton Mechanical Seal Catalog
  • Chesteton 280 Brochure
Case Studies & White Papers
  • Chesterton 280 Mine Dewatering Brine Sealing Case Study
Installation & Operation Manuals & Technical Literature
  • Chesteton 280 Installation Instructions

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

Features
  • Self-centering, self-aligning dual seal
  • Vibration-isolated faces
  • Tight concentric tracking for ideal face mating prevents wiping or run-out
  • Ideal for viscous, sticky, or polymerizing fluid applications
  • Exclusive, unrestricted dual balance for reliability, even at elevated pressures
Related Products
  • Chesterton PSS Pressurized Seal Support System
  • Chesterton BSS Seal Buffer Support System

BBC Pump and Equipment Co.

777 North Tibbs Avenue
Indianapolis, IN 46222

P: 317-636-1111
F: 317-636-5467
sales@bbcpump.com
service@bbcpump.com

M-F, 8:00 AM - 5:00 PM

Indiana’s Pump Experts Since 1981

Our mission is to provide customer oriented service through the proper application of quality pump equipment.

BBC Pump and Equipment Company supplies superior pumps, equipment and systems; designed, installed and serviced by the best engineers and technicians in Indiana.

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