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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPO609
- Phone: (800) 221-9723
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Frequently asked questions
Are these O-rings made from durable, high-quality material?
Yes, these RPI O-rings are constructed from high-grade silicone with a specific hardness rating of 70 Duro. This material choice ensures excellent sealing integrity and longevity for your maintenance requirements.
Are these compatible with my existing STERIS equipment?
Yes, these are designed as a direct replacement for OEM Part #450611. They are specifically manufactured for use within STERIS System 1 bulk sterilizers and endoscope processing systems, particularly for the Air-Water Valve assembly.
How many O-rings are included in one purchase?
Each order includes a package of 12 individual O-rings, ensuring you have a reliable supply on hand for routine maintenance and repair.
What are the exact measurements of these O-rings?
These components are manufactured to precise engineering specifications:
- Inner Diameter (ID): 0.114 inches
- Outer Diameter (OD): 0.254 inches
- Cross Section (C/S): 0.070 inches
Is this a factory-new replacement part?
Yes, all RPI RPO609 O-rings are supplied as factory-new to ensure optimal performance and reliability within your critical sterilization equipment.
Can I use these for my air-water valve assembly?
Absolutely. These O-rings are specifically engineered for fitment within the Air-Water Valve assembly of compatible STERIS machinery.
Are these O-rings suitable for industrial sterilizer maintenance?
Yes, they are specialized components designed for the maintenance and repair of Bulk Sterilizers and Endoscope Processing Systems, providing the exact sealing properties required for these units.
What is the RPI part number for verification?
The RPI part number for this item is RPO609, which serves as a direct, high-quality replacement for the OEM Part #450611.
Are these reliable for sensitive medical processing environments?
Yes. Because they are factory-new and manufactured to strict dimensional tolerances (70 Duro silicone), they are designed to maintain the sealing performance necessary for demanding sterilization workflows.
How do I ensure these fit my specific STERIS unit?
This O-ring is a standardized replacement for OEM Part #450611. If your equipment documentation calls for this OEM number, the RPO609 is the correct, guaranteed-fit replacement.

RPI RPO609 O-Ring