Description
Burks CS and ES Series Pump Mechanical Seal – 09813-C
The Burks 09813-C seal is a replacement mechanical seal designed for Burks CS and ES series pumps. Built with carbon, ceramic, and Viton materials, this seal is used in boiler feed, condensate return, and industrial water applications where higher temperature and corrosion resistance are required.
This replacement mechanical seal helps maintain proper sealing between rotating and stationary pump components, reducing leakage and supporting dependable pump operation. Compared to Buna versions, Viton offers improved resistance to heat, chemicals, and more demanding operating conditions.
For complete pump options, browse our Burks pump series. You can also view related Burks repair kits and Burks pump parts used to maintain and rebuild commercial pump systems. Additional references include the CS exploded parts view and the CS series spec sheets.
Key Features
- OEM replacement seal for Burks CS and ES series pumps
- Part Number: 09813-C
- Size: 3/4
- Material: Carbon / Ceramic / Viton
- Improved heat and corrosion resistance compared to Buna seals
- Helps reduce leakage and maintain pump efficiency
- Supports reliable long-term pump operation
Seal Applications for Burks CS and ES Pumps
- Burks CS series turbine pumps
- Burks ES series turbine pumps
- Boiler feed systems
- Condensate return systems
- Commercial and industrial water service
- Higher temperature or more demanding fluid conditions
Material Construction
This mechanical seal uses a carbon primary ring, ceramic mating surface, and Viton elastomers. Viton provides enhanced resistance to elevated temperatures, chemicals, and more demanding service conditions compared to standard Buna materials, making it a stronger choice where additional durability is needed.
Why Choose a Viton Seal?
In applications where higher temperatures, harsher fluid conditions, or added corrosion resistance are important, Viton seals offer improved durability and longevity. Upgrading to a Viton-based seal can help reduce maintenance frequency and improve overall system reliability.
Why Replace a Mechanical Seal?
A worn seal can lead to visible leakage, lower pump efficiency, loss of pressure, and premature wear on surrounding pump components. Replacing this component at the first signs of wear can help extend pump life, improve operating reliability, and reduce the chance of more expensive repairs.
Helpful Resources
- Browse Burks Pump Series
- View Burks Repair Kits
- Browse Burks Pump Parts
- CS Exploded Parts View
- CS Series Spec Sheets
Compatibility Note
The Burks 09813-C seal is used in Burks CS and ES series pumps. Always confirm pump model, size, and part compatibility before ordering.


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