180 & 280 Heavy Duty Cartridge Seals

A heavy-duty cartridge seal specifically designed for maximum reliability in demanding applications. Available in both single and double seal configurations. Designed to fit ANSI pumps with no modifications for ease of use.

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ElastomersFKM, EPDM, FEPM, ChemLast™
FacesCB, SSC, TC
Metals1.4401 (316SS)
Pressure Limit711 mm (28") Hg Vacuum to 40 bar g (600 psig) outboard
Shaft Speed25 m/s (5000 fpm)
Sizes25 mm to 120 mm (1.00" to 4.75")
Springs2.4819 (Alloy C-276)
Temperature Limit-55° C to 300° C (-67˚ F to 570˚ F)

Options & Accessories

PSS Pressurized Support System for Dual Seals
Standard Plan 53A Tank The Chesterton Pressurized Support System (PSS) is a complete solution for the support of dual seals where product leakage cannot be tolerated. Supplied ready to...
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WSS Water Saving System for Dual Seals
Plan 53P Automatic Water Support Tank The Chesterton Waster Saving System (WSS) is a complete seal support system designed to maintain water barrier pressure and levels without maintena...
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BSS Buffer Support System for Dual Seals
Plan 52 Non-Pressurized Tank The Chesterton Buffer Support System (BSS) is a complete solution for the environmental support of dual seals where product contamination from support fluid cann...
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SpiralTrac Environmental Controller
The SpiralTrac™ Environmental Controller is an exclusive, patented throat bushing specially engineered to transform and control the internal stuffing box environment in rotating process equipme...
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