Description
08991-C-P / 8991 Burks Mechanical Seal – 3/4″ Carbon / Ceramic / Buna
The 08991-C-P Burks mechanical seal, also searched as Burks 8991, 08991, and US-8991, is a 3/4″ replacement pump seal made with carbon, ceramic, and Buna materials. This seal is used on compatible Burks pumps that require a 3/4″ mechanical seal.
This replacement seal is used to help restore proper sealing performance when an existing Burks pump seal is leaking, worn, or causing loss of pump performance. A worn mechanical seal can lead to visible leakage, reduced efficiency, and additional wear on nearby pump components.
This seal can be ordered as a single replacement part through our store. Rema LLC also supplies related Burks pump parts, repair kits, wet end kits, and complete replacement pump options for commercial and industrial systems.
Browse additional Burks pump parts,
Burks repair kits, and
Burks wet end kits.
For complete Burks pump options, see our
Burks pump series.
08991 vs. 08991-C-P
Burks part numbers 08991 and 08991-C-P are commonly used for the same 3/4″ mechanical seal. If your old parts list, pump manual, or invoice shows 08991, this 08991-C-P seal is the current replacement reference used for ordering.
8991 / US-8991 Replacement Reference
This seal is also commonly searched as Burks 8991, 8991 pump seal, Burks 8991 mechanical seal, US-8991 replacement seal, and replaces Burks 8991. These references are often used in aftermarket replacement seal listings for the same 3/4″ carbon / ceramic / Buna mechanical seal style.
Rema LLC lists this part as 08991-C-P because that is the Burks-style ordering reference used on this product page. Buyers replacing an older 8991, 08991, or US-8991 seal should confirm shaft size, pump model, and material requirements before ordering.
Key Features
- Replacement mechanical seal for compatible Burks pumps
- Part Number: 08991-C-P
- Alternate / older part number: 08991
- Also searched as: 8991, Burks 8991, and US-8991
- Seal Size: 3/4″
- Decimal Seal Size: .750″
- Material: Carbon / Ceramic / Buna
- Helps reduce pump leakage and maintain sealing performance
- Commonly used in water service, condensate return, boiler feed, and industrial pump applications
Ordering Notes
- Burks part number: 08991-C-P
- Alternate / older part number: 08991
- Common replacement references: 8991, Burks 8991, US-8991
- Seal size: 3/4″
- Decimal seal size: .750″
- Material: Carbon / Ceramic / Buna
- Confirm pump model, shaft size, and seal part number before ordering
Compatible Pump Use
| Item | Details |
|---|---|
| Pump Brand | Burks |
| Part Number | 08991-C-P |
| Alternate Part Reference | 08991 |
| Additional Search References | 8991, Burks 8991, US-8991, replaces Burks 8991 |
| Seal Size | 3/4″ / .750″ |
| Compatibility | Compatible Burks pumps requiring this 3/4″ carbon / ceramic / Buna seal |
Material Construction
This 3/4″ mechanical seal uses a carbon primary ring, ceramic mating surface, and Buna elastomers. This material combination is commonly used for standard water, condensate, and boiler feed pump service where the operating conditions are within the pump and seal limits.
Common Applications
- Burks pump mechanical seal replacement
- Burks 8991 mechanical seal replacement
- 8991 pump seal replacement
- 08991-C-P pump seal replacement
- Compatible Burks pump service
- Boiler feed pump service
- Condensate return pump service
- Commercial and industrial water applications
- Standard water and condensate service conditions
Why Replace a Mechanical Seal?
A worn or failed mechanical seal can cause pump leakage, reduced pressure, lower efficiency, and premature wear on nearby 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.
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 08991-C-P Burks mechanical seal, also referenced as 08991, 8991, Burks 8991, and US-8991, is used with compatible Burks pumps requiring a 3/4″ carbon / ceramic / Buna mechanical seal. Always verify the pump model, shaft size, service conditions, and seal part number before ordering.
Frequently Asked Questions
Yes. Burks part numbers 08991 and 08991-C-P are commonly used for the same 3/4″ mechanical seal.
Is this the same as a Burks 8991 pump seal?
Yes. This seal is commonly searched as Burks 8991, 08991, 08991-C-P, US-8991, and replaces Burks 8991. Confirm your pump model, shaft size, and material requirements before ordering.
What size is the 08991-C-P mechanical seal?
The 08991-C-P 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 Buna materials.
What pump does this seal fit?
This seal is used with compatible Burks pumps that require a 3/4″ carbon / ceramic / Buna mechanical seal. Confirm the pump model, shaft size, and seal part number before ordering.
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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