Chesterton 250 General Purpose Cartridge Double Seal

High Reliability for General Applications

Chesterton 250 Double Seal is a value leader in its class. It is the ideal choice to reduce high maintenance costs and prevent wasteful leakage, shaft fretting damage, and inefficient downtime. Designed for baseline applications and for upgrading packed or component sealed equipment, the 250 seal makes general industrial sealing simple, reliable, and affordable.

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Categories: Cartridge Seals, Mechanical Seals

Description

Description

Provides sealing security that conventional single seals cannot match

Reliable cartridge design that increases seal life

Operating Conditions		Materials
Sizes	25 mm to 120 mm (1.00″ to 4.75″)	Faces	CB, SSC
Pressure	711 mm (28″) Hg Vacuum to 20 bar g (300 psig) 10 bar g (150 psig) outboard	Elastomers	FKM, EPDM, FEPM, ChemLast™
Temperature	-55° C to 300° C (-67˚ F to 570˚ F)	Metals	1.4401 (316SS)
Speed	20 m/s (4000 fpm)	Springs	2.4819 (Alloy C-276)
Fits ISO-3069, ASME B73.1, B73.2