Chesterton 250 General Purpose Cartridge Dual Seal

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.​

Provides sealing security that conventional single seals cannot match
Reliable cartridge design that increases seal life
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Operating ConditionsMaterials
Sizes25 mm to 120 mm (1.00" to 4.75")FacesCB, SSC
Pressure711 mm (28") Hg Vacuum to 20 bar g (300 psig) 10 bar g (150 psig) outboard ElastomersFKM, EPDM, FEPM, ChemLast™
Temperature-55° C to 300° C (-67˚ F to 570˚ F)Metals1.4401 (316SS)
Speed20 m/s (4000 fpm)Springs2.4819 (Alloy C-276)
Fits ISO-3069, ASME B73.1, B73.2

Sealed pressure capabilities are dependent on the fluid sealed, temperature, speed and face combination. Consult Chesterton Mechanical Seal Engineering to confirm suitability for your application and to receive a product recommendation.

 

 

Environmental Control Plans Pocket and Reference Guide (English)https://chestertondocs.chesterton.com/Rotating/EN23007_Env_Controls_Guide_WM.pdfEnvironmental Control Plans Pocket and Reference Guide (English)pdf
Technical Material Reference (English)https://chestertondocs.chesterton.com/Rotating/EN23875_Technical_Material_Reference.pdfTechnical Material Reference (English)pdf
Article: What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning? (English)https://chestertondocs.chesterton.com/Rotating/What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning.pdfArticle: What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning? (English)pdf
Catalog: Mechanical Seals (English)https://chestertondocs.chesterton.com/Rotating/EN21847_MechSealCat.pdfCatalog: Mechanical Seals (English)pdf
Catalog: Chesterton Products for the EMEA Region (Finnish)https://chestertondocs.chesterton.com/Rotating/FI22412_EME_Catalog.pdfCatalog: Chesterton Products for the EMEA Region (Finnish)pdf

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