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Condition:
Factory New
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Learn more:
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MFR:
RPI
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- MPN: RPO307
- Phone: (800) 221-9723
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Frequently asked questions
Does this O-ring offer reliable sealing durability?
Yes, this O-ring is constructed from high-quality EPDM material with a standardized 70 Duro hardness rating. This specific combination is engineered to provide the necessary flexibility and resistance required for the demanding environments of autoclaves and sterilizers.
Are these compatible with the Midmark - Ritter 7 model?
Absolutely. This O-ring (RPI Part #RPO307) is specifically designed as a factory-new replacement part for the Midmark - Ritter 7 autoclave and sterilizer model.
What is the specific cross-section and diameter of these rings?
These O-rings are precision-engineered to meet the following industry-standard specifications:
- Cross Section (C/S): 0.070”
- Inner Diameter (ID): 0.114”
- Outer Diameter (OD): 0.254”
Does the package come with enough rings for routine maintenance?
Yes, each purchase includes 12 O-rings per package. This quantity is ideal for routine preventative maintenance schedules, ensuring you have enough stock on hand for servicing multiple components.
Which specific components does this part fit?
Beyond general autoclave usage, these O-rings are versatile and fit several critical sub-assemblies, including:
- Solenoid Metering Screw/Air Manifold Assembly
- Small In-Air Manifold
- Quick Disconnect Barbs (RPI Part #’s ADB248, ADB249, ADB250, & ADB251)
- Quick Disconnect Plugs (RPI Part #ADP232)
Is this a direct OEM replacement part?
Yes, this is an RPI manufactured part designed to cross-reference accurately with several OEM numbers, including:
- P-12233/146180
- 030.006.02/030-006-030
- H98138
- 450617
Are there specific service tips available for installation?
Yes, there is Service Tip documentation available for this part. It is highly recommended to consult these notes, particularly regarding installation procedures for System 1 installations, to ensure proper seating and functionality.
Can I use these for general manifold assemblies?
Yes, these are specifically specified for use in air manifold and metering screw assemblies. Their precise dimensions and EPDM construction make them the correct choice for these sealing applications.
Is this part currently in production?
Yes, this is a Factory New part and is not discontinued. It remains a current, essential component for maintaining the sealing integrity of your equipment.
What makes this EPDM material suitable for sterilization equipment?
EPDM (Ethylene Propylene Diene Monomer) is widely valued for its excellent heat and chemical resistance. With a 70 Duro hardness, this O-ring provides the ideal balance of firmness to create a leak-proof seal and the resilience needed to withstand the high-pressure cycles typical of autoclave operation.

RPI RPO307 Industry Part #As568-006 /...