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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: MIG027
- Phone: (800) 221-9723
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Frequently asked questions
Does this gasket simplify the installation process?
Yes, it is specifically engineered to improve the installation experience. This design eliminates the need for the original equipment manufacturer’s (OEM) metal ring, making the setup process more streamlined and efficient compared to standard replacements.
Can I use the original metal ring during installation?
No, you must not use the OEM metal ring with this gasket. The RPI MIG027 is designed to function as a standalone component, and attempting to use the metal ring could interfere with the proper fit and sealing performance of the gasket.
Is this gasket made from high-quality, durable materials?
Absolutely. The gasket is manufactured from premium silicone rubber, chosen specifically for its ability to maintain a reliable, long-lasting seal under the high-pressure conditions of autoclave sterilization.
Does this part match the original Midmark specifications?
Yes, the RPI MIG027 is designed as a direct replacement for OEM part numbers 053-0366-00, 002-0361-00, and 002-0361-01, ensuring it meets the rigorous standards required for Midmark-Ritter M9 sterilizers.
What is the exact outer diameter of this gasket?
This gasket features a precise Outer Diameter (OD) of 10.750 inches. This specific dimension ensures a perfect, snug fit for the door of your compatible Midmark-Ritter M9 autoclave.
Is this gasket included in any larger maintenance kits?
Yes, if you are performing a full service, this gasket is a key component in two major RPI preventative maintenance packages:
- Sterilizer PM Kit (RPI Part #MIK072)
- Sterilizer PM Kit (RPI Part #MIK158)
Is this gasket suitable for regular preventative maintenance?
It is highly recommended for scheduled preventative maintenance (PM). Replacing the door gasket regularly is essential for maintaining the operational integrity and the sterilization efficacy of your M9 unit.
Are there other parts I should consider replacing alongside this?
To ensure your autoclave is fully serviced, you may want to check the condition of these related components:
- Dam Gasket (RPI Part #MIG035 or #MIG157)
- Door Insulator Pad (RPI Part #MIP040)
Is this part compatible with my M9 sterilizer?
Yes, the RPI MIG027 is specifically engineered for use with Midmark-Ritter M9 Autoclaves and Sterilizers, serving as a reliable replacement for the standard door gasket.
Is this a factory new, reliable replacement part?
Yes, this component is Factory New and produced by RPI, a trusted manufacturer in the industry. It is designed to be a high-performance, direct substitute for your existing equipment’s seals.

RPI MIG027 Door Gasket