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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPO831
- Phone: (800) 221-9723
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Frequently asked questions
Is the material durable for heavy use?
Yes, this O-Ring is constructed from high-quality Nitrile (Buna N) rubber. It features a 70 Durometer hardness rating, which is specifically engineered to ensure reliable sealing integrity and durability within your compressor system.
Does this fit my DENTAL-EZ CA-711 compressor?
Absolutely. The RPI RPO831 is specifically designed for use in DENTAL-EZ CA-711 Dental Compressor systems, ensuring proper fitment and performance for your equipment.
How many O-rings are in each package?
Each unit includes a package of 6 O-Rings, providing you with enough components for multiple maintenance cycles or replacements.
Is this used in the Coalescing Filter Assembly?
Yes, this O-Ring is a critical component for maintaining the seal and overall integrity of the Coalescing Filter Assembly.
Does this work with other RPI filter elements?
Yes, it is fully integrated into other RPI maintenance products. Specifically, this O-Ring is included in:
- RPI Carbon Filter Element (CME104)
- Coalescing Filter Element (CME105)
Are these precise to specific size requirements?
Yes, they are engineered for precision. The specifications are:
- Inner Diameter (ID): 45mm
- Outer Diameter (OD): 51mm
- Cross-Section (C/S): 3mm
Is this a high-quality factory-new component?
Yes, this is an RPI factory-new replacement part, manufactured to meet strict standards for reliability and performance in dental compressor systems.
Should I use these during routine maintenance?
These are highly recommended for your maintenance routine. They are specifically designated for use during filter replacement procedures, particularly when servicing the CME104 or CME105 filter elements.
Does this O-Ring ensure reliable sealing performance?
By utilizing 70 Durometer Nitrile (Buna N) material, this O-Ring is crafted to provide a secure and consistent seal, preventing leaks and maintaining the efficiency of the filter assembly.
Are these compatible with CME104 or CME105?
Yes. This O-Ring serves as an essential internal component of both the RPI Carbon Filter Element (CME104) and the Coalescing Filter Element (CME105).

RPI RPO831 O-Ring