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Chesterton 442PR Split Pumping Ring Seal

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Chesterton 442PR Split Seal with Pumping Ring
Maximum Heat Removal in Hot Water Services

​​​​​​​The design of the Chesterton 442PR split seal is ideal for hot heater drains and boiler feed pumps where cooling to a single seal must be provided.

The high capacity pumping ring provides for maximum heat removal and reliability in hot water services. The 442PR delivers the lowest cost of ownership from its ease of installation, low cooling, and reliability.

Splits Seals for Boiler Feed Pumps - Maximum Heat Removal - Chesterton 442PR
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Features
Specifications
Resources
Installation View
High-flow pumping device
Designed for API Plan 23
Engineered for high ​​pressure
High strength external springs
Non-fretting to equipment
Premium, high-graphite carbon face
Ball-and-socket O-Rings
Patented, automatic centering
Certified to NSF / ANSI 61
Technical Data​​​
Sizes20 mm to 200 mm (0.75" to 8.00​")
Pressure711 mm or 28" Hg Vacuum to 25 bar g (360 psig*)
Temperature120° C ( 250° F)
Speed20 m/s (4000 fpm)
​​

 

 

Technical Material Reference (English)https://chestertondocs.chesterton.com/Rotating/EN23875_Technical_Material_Reference.pdfTechnical Material Reference (English)pdf
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
Product Brochure: 442C and 442C XL Cartridge Split Sealhttps://chestertondocs.chesterton.com/Rotating/EN23193_442C_442C-XL_Bro.pdfProduct Brochure: 442C and 442C XL Cartridge Split Sealpdf
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: Chesterton Products for the EMEA Region (English)https://chestertondocs.chesterton.com/Rotating/EN22412_EME_Catalog.pdfCatalog: Chesterton Products for the EMEA Region (English)pdf

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