Chesterton 440/440M External Single Component Seal

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Chesterton 440/440M External Single Component Seal
Designed for Corrosive Service and Metallic-Free Applications

  

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This seal is ideal for corrosive and other general services. The Chesterton 440 is a low-cost replacement for seals made from exotic or expensive materials.

  • No metal parts touch sealed fluid
  • Prevents damage to glass-lined shafts
  • Hydraulically balanced
  • No sleeve or stepped sleeve needed
  • ​​Made to replace expensive exotic metal seals
  • Perfect for glass lined shafts
  • One-piece, drive-ring clamp for easy installation/positioning
Sizes25 mm to 115 mm (.937" to 4.5")
Pressure711 mm (28") Hg Vacuum to 10bar g 1(50 psig*)
Temperature-55 C to 300 C  (-67 F to 570 F) see back page for actual material limits by type of elastomer
Speed20 m/s (4000 fpm)
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Chesterton Catalogue of Products (English)http://chestertondocs.chesterton.com/Rotating/EN22412_EME_Cat_2014.pdfChesterton Catalogue of Products (English)pdf
Article: What Determines Seal Leakage? (English)http://chestertondocs.chesterton.com/Rotating/What Determines Seal Leakage.pdfArticle: What Determines Seal Leakage? (English)pdf
Technical Material Reference (English)http://chestertondocs.chesterton.com/Rotating/EN23875_Technical_Material_Reference.pdfTechnical Material Reference (English)pdf
Catalog: Rotating Equipment Solutions - Mechanical Seals, Pump Packing, Gaskets, and Morehttp://chestertondocs.chesterton.com/Rotating/RotatingCAT.pdfCatalog: Rotating Equipment Solutions - Mechanical Seals, Pump Packing, Gaskets, and Morepdf
Environmental Control Plans (English)http://chestertondocs.chesterton.com/Rotating/EN23873_MS_Enviro_Control_Plans.pdfEnvironmental Control Plans (English)pdf

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