Chesterton 442 Split Seal

Chesterton 442 Split Seal
High-Performance Seals Available in Large Diameters

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​The Chesterton 442 split seal is ideal for equipment that is difficult and time-consuming to disassemble, such as large pumps, vertical pumps, and horizontal split case pumps. This ​proven, compact design can be used in a wide variety of equipment and process fluids.​

The patented, high-performance split technology allows the 442 to operate from vacuum to high pressures.

  • ​Compact design allows for easy installation and a fit advantage on most equipment
  • Split, low-cost repair kits reduce ongoing maintenance costs even further
  • Designed with the installer in mind, the ball-and-socket O-Rings provide a quick and easy leak-free seal without the use of adhesives
  • Captive screws cannot fall out, making installation straightforward and reliable

Video: Chesterton 442 Split Seal Installation

Related Product: Chesterton 442C Cartridge Split Seal

Chesterton 442 Jumbo Split Seal

Download 3D and 2D CAD Models for Chesterton 442:

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Fully split mechanical seal
Ball-and-socket O-Rings
Adjustable gland tabs
Patented, automatic centering
Patented, full-vacuum capability
Engineered for high pressure
Non-clog external springs
Non-fretting to equipment
Dry run capable
Large seal diameter options
Adjustable gland tabs
Integral dual flushport
Technical Data​​
Sizes20 mm to 610 mm (0.75" to 24.00")
Pressure711mm (28") Hg Vacuum to 31 bar g (450 psig)
Temperature120° C  (250° F)
Speed20m/s (4000 fpm)

 

 

Technical Material Reference (English)https://chestertondocs.chesterton.com/Rotating/EN23875_Technical_Material_Reference.pdfTechnical Material Reference (English)pdf
Catalog: Rotating Equipment Solutions - Mechanical Seals, Pump Packing, Gaskets, and More (English)https://chestertondocs.chesterton.com/Rotating/RotatingCAT.pdfCatalog: Rotating Equipment Solutions - Mechanical Seals, Pump Packing, Gaskets, and More (English)pdf
Installation Instructions: 442 (English)https://chestertondocs.chesterton.com/Rotating/si442_EN.pdfInstallation Instructions: 442 (English)pdf
Brochure: Chesterton 442 Split Seal (English)https://chestertondocs.chesterton.com/Rotating/sb442_EN.pdfBrochure: Chesterton 442 Split Seal (English)pdf
Installation Instructions: 442 Large Shaft Diameter (English)https://chestertondocs.chesterton.com/Rotating/si442jp_EN.pdfInstallation Instructions: 442 Large Shaft Diameter (English)pdf

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