Description
09813-C / 9813 Burks Mechanical Seal – 3/4″ Carbon / Ceramic / Viton
The 09813-C Burks mechanical seal, also searched as Burks 9813, 09813, and US-9813, is a 3/4″ replacement pump seal made with carbon, ceramic, and Viton materials. This seal is commonly used in compatible Burks CS Series and Burks ES Series turbine pumps.
This replacement seal is used to help restore proper sealing performance when an existing Burks pump seal is leaking, worn, damaged, or failing under higher temperature service conditions. A worn mechanical seal can lead to visible leakage, reduced pump pressure, lower efficiency, and additional wear on nearby pump components.
The Viton elastomer construction provides improved heat and chemical resistance compared to standard Buna seal materials. This makes the 09813-C seal a stronger option for demanding pump applications, including boiler feed systems, condensate return systems, commercial water service, and industrial water transfer.
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09813 vs. 09813-C
Burks part numbers 09813 and 09813-C are commonly used for the same 3/4″ mechanical seal. If your old parts list, pump manual, or invoice shows 09813, this 09813-C seal is the current replacement reference used for ordering.
9813 / US-9813 Replacement Reference
This seal is also commonly searched as Burks 9813, 9813 pump seal, Burks 9813 mechanical seal, US-9813 replacement seal, and replaces Burks 9813. These references are often used in aftermarket replacement seal listings for the same 3/4″ carbon / ceramic / Viton mechanical seal style.
Rema LLC lists this part as 09813-C because that is the Burks-style ordering reference used on this product page. Buyers replacing an older 9813, 09813, or US-9813 seal should confirm shaft size, pump model, and material requirements before ordering.
Key Features
- Replacement mechanical seal for compatible Burks CS and ES Series pumps
- Part Number: 09813-C
- Alternate / older part number: 09813
- Also searched as: 9813, Burks 9813, and US-9813
- Seal Size: 3/4″
- Decimal Seal Size: .750″
- Material: Carbon / Ceramic / Viton
- Improved heat and chemical resistance compared to Buna seals
- Helps reduce pump leakage and restore proper sealing
- Commonly used in boiler feed, condensate return, and industrial water service
Ordering Notes
- Burks part number: 09813-C
- Alternate / older part number: 09813
- Common replacement references: 9813, Burks 9813, US-9813
- Seal size: 3/4″
- Decimal seal size: .750″
- Material: Carbon / Ceramic / Viton
- Confirm pump model, shaft size, and seal part number before ordering
Compatible Pump Series
| Pump Series | Compatibility Notes |
|---|---|
| Burks CS Series | Common application for this 09813-C / 09813 / 9813 mechanical seal |
| Burks ES Series | May be used with compatible ES Series pumps when model, shaft size, and seal part number match |
Material Construction
This 3/4″ 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.
Why Choose a Viton Seal for a Burks CS Pump?
In CS Series pump applications where higher temperatures, harsher fluid conditions, or added chemical resistance are important, Viton seals offer improved durability and longer service potential compared with standard Buna-based seals. Upgrading to a Viton-based seal can help reduce maintenance frequency and improve overall pump reliability.
Common Applications
- Burks CS Series turbine pump seal replacement
- Burks ES Series compatible pump seal replacement
- Burks 9813 mechanical seal replacement
- 9813 pump seal replacement
- 09813-C pump seal replacement
- Boiler feed pump service
- Condensate return pump service
- Commercial and industrial water applications
- Higher temperature or more demanding fluid conditions
Why Replace a Mechanical Seal?
A worn or failed mechanical seal can cause visible leakage, loss of pump pressure, reduced efficiency, and premature wear on nearby pump components. Replacing the seal at the first signs of failure can help extend pump life, improve reliability, and reduce the chance of more expensive repairs or unplanned downtime.
Helpful Resources
- Burks CS Exploded Parts View
- Burks CS Series Pump Specs
- Browse Burks Pump Series
- View Burks Repair Kits
- View Burks Wet End Kits
- Browse Burks Pump Parts
Related Burks Pump Parts
For additional repair components, browse our
Burks pump parts,
Burks repair kits, and
Burks wet end kits.
You can also view complete
Burks pump series options.
Compatibility Note
The 09813-C Burks mechanical seal, also referenced as 09813, 9813, Burks 9813, and US-9813, is used with compatible Burks CS Series and Burks ES Series pumps requiring a 3/4″ carbon / ceramic / Viton mechanical seal. Always verify the pump model, shaft size, service conditions, and seal part number before ordering.
Frequently Asked Questions
Yes. Burks part numbers 09813 and 09813-C are commonly used for the same 3/4″ mechanical seal.
Is this the same as a Burks 9813 pump seal?
Yes. This seal is commonly searched as Burks 9813, 09813, 09813-C, US-9813, and replaces Burks 9813. Confirm your pump model, shaft size, and material requirements before ordering.
What size is the 09813-C mechanical seal?
The 09813-C seal is a 3/4″ mechanical seal, also shown as .750″.
What materials are used in this seal?
This seal is made with carbon, ceramic, and Viton materials.
What pump series does this seal fit?
This seal is commonly used with compatible Burks CS Series pumps and may also be used with compatible Burks ES Series pumps when the pump model, shaft size, and seal part number match.
Why use Viton instead of Buna?
Viton provides improved heat and chemical resistance compared to standard Buna seal materials, making it useful for higher temperature or more demanding service conditions.
Can this seal be used in boiler feed or condensate return applications?
Yes. This seal is commonly used in compatible Burks pump applications for boiler feed, condensate return, and standard industrial water service when system conditions are within pump and seal limits.
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