Chesterton 442 Split Seal

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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

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

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Chesterton 442 Jumbo Split Seal
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)

 

 

Case Study 007 Rotating Equipment - Power - FGD Absorber Tank Agitator Sealing (English)http://chestertondocs.chesterton.com/Rotating/EN23738_RE_CS007_Power_FGD_Absorber_Tank_Agitator_Sealing.pdfCase Study 007 Rotating Equipment - Power - FGD Absorber Tank Agitator Sealing (English)pdf
Hydropower Industry Solutions (English)http://chestertondocs.chesterton.com/Rotating/EN24264_24264_Hydropower_Bro.pdfHydropower Industry Solutions (English)pdf
Case Study 006 Rotating Equipment - Marine - Split Seals in Vessel Stripping Pumps (English)http://chestertondocs.chesterton.com/Rotating/EN23737_RE_CS006_Marine_Split Seals_Vessel_Stripping_Pumps.pdfCase Study 006 Rotating Equipment - Marine - Split Seals in Vessel Stripping Pumps (English)pdf
Case Study 021 Rotating Equipment - Power - Large Split Seals Reduce Downtime and Leakage (English)http://chestertondocs.chesterton.com/Rotating/EN23838_RE_CS021_Large_Split_Seals.pdfCase Study 021 Rotating Equipment - Power - Large Split Seals Reduce Downtime and Leakage (English)pdf
Case Study 023 Rotating Equipment: Split Seals for Vertical Pumps (English)http://chestertondocs.chesterton.com/Rotating/EN24266_RE_CS023_442_split_seal.pdfCase Study 023 Rotating Equipment: Split Seals for Vertical Pumps (English)pdf

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